Moxa W2250PLUS NPort W2250/2150 Plus User Manual NPort W2250 2150 Plus User s Manual

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Document Title	NPort W2250/2150 Plus User's Manual
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Document Author:	Tim Stemple

NPort W2250/2150 Plus User’s Manual
First Edition, March 2007
www.moxa.com/product
Moxa Technologies Co., Ltd.
Tel:
+886-2-8919-1230
Fax: +886-2-8919-1231
Web: www.moxa.com
MOXA Technical Support
support@moxa.com
Worldwide:
support@usa.moxa.com
The Americas
NPort W2250/2150 Plus User’s Manual
The software described in this manual is furnished under a license agreement and may be used only in
accordance with the terms of that agreement.
Copyright Notice
Copyright © 2007 Moxa Technologies Co., Ltd.
All rights reserved.
Reproduction without permission is prohibited.
Trademarks
MOXA is a registered trademark of The Moxa Group.
All other trademarks or registered marks in this manual belong to their respective manufacturers.
Disclaimer
Information in this document is subject to change without notice and does not represent a commitment on the
part of Moxa.
Moxa provides this document “as is,” without warranty of any kind, either expressed or implied, including, but
not limited to, its particular purpose. Moxa reserves the right to make improvements and/or changes to this
manual, or to the products and/or the programs described in this manual, at any time.
Information provided in this manual is intended to be accurate and reliable. However, Moxa Technologies
assumes no responsibility for its use, or for any infringements on the rights of third parties that may result from
its use.
This product might include unintentional technical or typographical errors. Changes are periodically made to the
information herein to correct such errors, and these changes are incorporated into new editions of the
publication.
Table of Contents
Chapter 1
Introduction ..................................................................................................1-1
Overview.................................................................................................................................. 1-2
Package Checklist .................................................................................................................... 1-2
Product Features ...................................................................................................................... 1-3
Product Specifications ............................................................................................................. 1-3
Serial Port Pin Assignments..................................................................................................... 1-4
Chapter 2
Getting Started .............................................................................................2-1
Panel Layout ............................................................................................................................ 2-2
Connecting the Hardware ........................................................................................................ 2-3
Wiring Requirements.................................................................................................... 2-3
Connecting to the Network........................................................................................... 2-3
Connecting the Power................................................................................................... 2-4
Connecting to a Serial Device ...................................................................................... 2-4
LED Indicators ............................................................................................................. 2-4
Chapter 3
Initial IP Configuration.................................................................................3-1
Installation Procedure for First-time Users .............................................................................. 3-2
Factory Default IP Address ...................................................................................................... 3-2
ARP.......................................................................................................................................... 3-2
Telnet Console ......................................................................................................................... 3-3
Serial Console (19200, n, 8, 1)................................................................................................. 3-6
Chapter 4
Choosing the Proper Operation Mode .......................................................4-1
Overview.................................................................................................................................. 4-2
TCP Server Mode .................................................................................................................... 4-2
TCP Client Mode ..................................................................................................................... 4-3
UDP Mode ............................................................................................................................... 4-3
Real COM Mode...................................................................................................................... 4-4
Pair Connection Mode ............................................................................................................. 4-5
Ethernet Modem Mode ............................................................................................................ 4-5
Terminal Applications.............................................................................................................. 4-6
Terminal ASCII Mode.................................................................................................. 4-6
Terminal BIN Mode ..................................................................................................... 4-6
SSH Mode .................................................................................................................... 4-6
Reverse Terminal Applications ................................................................................................ 4-7
Reverse Telnet .............................................................................................................. 4-7
Reverse SSH ................................................................................................................. 4-7
Chapter 5
Web Console Configuration........................................................................5-1
Configuring Your Browser....................................................................................................... 5-2
Basic Settings........................................................................................................................... 5-3
Time Settings................................................................................................................ 5-3
Web/Telnet Console ..................................................................................................... 5-4
Network Settings...................................................................................................................... 5-5
General Settings............................................................................................................ 5-5
Ethernet Configuration ................................................................................................. 5-6
WLAN Configuration................................................................................................... 5-7
Serial Port Settings................................................................................................................. 5-10
Operation Modes ........................................................................................................ 5-10
Communication Parameters........................................................................................ 5-21
System Management.............................................................................................................. 5-22
Accessible IP Settings................................................................................................. 5-22
SNMP Agent .............................................................................................................. 5-23
Auto Warning Settings ............................................................................................... 5-24
System Status.............................................................................................................. 5-27
Change Password................................................................................................................... 5-28
Load Factory Default ............................................................................................................. 5-29
Save/Restart ........................................................................................................................... 5-29
Chapter 6
Installing and Configuring the Software ....................................................6-1
Overview.................................................................................................................................. 6-2
Installing NPort COM Driver .................................................................................................. 6-2
Installing NPort Search Utility................................................................................................. 6-5
Configuring NPort COM Driver .............................................................................................. 6-8
Configuring NPort Search Utility .......................................................................................... 6-13
Linux Real TTY and UNIX Fixed TTY Installation .............................................................. 6-14
Installing the Linux Real TTY driver ......................................................................... 6-14
Installing the UNIX Fixed TTY Driver ...................................................................... 6-17
Upgrading the Firmware ........................................................................................................ 6-18
Appendix A SNMP Agents with MIB II & RS-232 Like Groups ..................................... A-1
Appendix B Well Known Port Numbers ......................................................................... B-1
Appendix C Federal Communication Commission Interference Statement............... C-1
Appendix D FCC Warning Statement ............................................................................. D-1
Appendix E Service Information..................................................................................... E-1
MOXA Internet Services..........................................................................................................E-2
Problem Report Form ..............................................................................................................E-3
Product Return Procedure ........................................................................................................E-4
1
Chapter 1
Introduction
Moxa’s NPort W2250/2150 Series of wireless serial device servers give you an easy way to
connect your RS-232/422/485 serial devices to a WLAN. The 1-port NPort W2150 and 2-port
NPort W2250 are ideal for environments where a LAN is not available, or where serial devices are
moved frequently.
The following topics are covered in this chapter:





Overview
Package Checklist
Product Features
Product Specifications
Serial Port Pin Assignments
NPort W2250/2150 Plus User’s Manual
Introduction
Overview
Moxa’s NPort W2250/2150 wireless device servers are the ideal choice for connecting your
RS-232/422/485 serial devices—such as PLCs, meters, and sensors—to a Wired Ethernet LAN
and Wireless LAN. Your communications software will be able to access the serial devices from
anywhere over a local LAN, WLAN, or the Internet. Moreover, the WLAN environment offers an
excellent solution for applications in which the serial devices are moved frequently from place to
place.
NPort W2250/2150 wireless serial device servers support automatic IP configuration protocols
(DHCP, BOOTP) and manual configuration via a handy web browser console. Both IP
configuration methods ensure quick and effective installation, and the NPort Windows Driver
Manager Utility makes Port Mapping very convenient to configure.
An external antenna increases the range of the wireless connection. Users can position the
adjustable antenna for maximum signal strength or even replace the antenna with their own for
additional flexibility and scalability. This feature is particularly useful when a serial device is
connected in a high interference area. As an added feature, a signal strength indicator is located on
the front panel to make it easier to troubleshoot connection problems.
NPort W2250/2150 wireless serial device servers ensure the compatibility of network software
that uses a standard network API by providing TCP Server Mode, TCP Client Mode, and UDP
Mode. The Real COM/TTY drivers allow software that works with COM/TTY ports to be set up
to work over a TCP/IP network in no time. This excellent feature preserves your software
investment and lets you enjoy the benefits of networking your serial devices instantly.
To make your management task easier, the NPort W2250/2150 Series provides additional features,
such as password authentication, IP filter, WEP support for 64-bit and 128-bit encryption, and
SNMP support.
Package Checklist
NPort W2250/2150 is shipped with the following items:
Standard Accessories
NPort W2250 or NPort W2150 x 1
Documentation & Software CD
RJ45 to RJ45 Ethernet cross-over cable
RJ45 to male DB9 cable (CBL-RJ45M9-150)
Power adaptor
Warranty Booklet
Quick Installation Guide
Optional Accessories
DK-35A DIN-Rail Mounting Kit (35 mm)
CBL-RJ45M9-150 (8-pin RJ45 to male DB9 cable; 150 cm)
CBL-RJ45F9-150 (8-pin RJ45 to female DB9 cable; 150 cm)
CBL-RJ45M25-150 (8-pin RJ45 to male DB9 cable; 150 cm)
CBL-RJ45F25-150 (8-pin RJ45 to male DB9 cable; 150 cm)
NOTE: Notify your sales representative if any of the above items is missing or damaged.
1-2
NPort W2250/2150 Plus User’s Manual
Introduction
Product Features
Link any serial device to IEEE 802.11 a/b/g network
2/1-port RS-232/422/485, up to 921.6 Kbps
Web-based configuration with built-in Ethernet or WLAN
Enhanced remote configuration with HTTPS, SSH
Secure data access with WEP, WPA, WPA2
Built-in useful WLAN Site Survey Tool
Supports powerful wireless roaming when wireless signal strength is below user-defined
roaming threshold
Per-port off-line port buffering and serial data log
Dual power inputs (1 power jack, 1 terminal block)
Product Specifications
WLAN
Standard Compliance
Radio Frequency Type
Tx Power
Rx Sensitivity
Transmission Rate
Transmission distance
Antenna Connector
Network Mode
Wireless Security
WEP:
WPA, WPA2, 802.11i:
Encryption:
802.11i EAP authentication:
LAN
Ethernet
Protection
Serial
No. of ports
Interface
Port Type
802.11 a/b/g
DSSS
17 dBm (Average) for Tx Power 11b
15 dBm (Average) for Tx Power 11g
14 dBm (Average) for Tx Power 11a
-80 dBm
54 Mbps for 802.11a
11 Mbps for 802.11b
54 Mbps for 802.11g
54 Mbps (max.) with auto fallback
(54, 48, 36, 24, 18, 12, 11, 9, 6, 5.5, 2, 1 Mbps)
Up to 100 meters (in open areas)
Reverse SMA
Infrastructure mode, Ad-Hoc mode
64-bit/128-bit data encryption
Enterprise mode and Pre-Share Key (PSK) mode
128-bit TKIP/CCMP
PEAP, EAP-TLS, EAP-TTLS, PEAP/MSCHAPv2, PEAP/TLS,
PEAP/GTC, ,PEAP/MD5, AP-TTLS/EAP-MD5,
EAP-TTLS/EAP-GTC, EAP-TTLS,
EAP-TTLS/EAP-MSCHAPv2, EAP-TTLS/EAP-TLS,
EAP-TTLS/MSCHAPv2, EAP-TTLS/MSCHAP
10/100 Mbps (RJ45)
Built-in 1.5 KV magnetic isolation
W2250 Plus and W2250 Plus-S: 2 ports
W2150 Plus and W2150 Plus-S: 1 port
RS-232/422/485
DB9
1-3
NPort W2250/2150 Plus User’s Manual
Introduction
Serial Data Log
W2150 Plus and W2250 Plus: 64 KB
W2150 Plus-S and W2250 Plus-S: 2 MB
W2150 Plus and W2250 Plus: 64 KB
W2150 Plus-S and W2250 Plus-S: 22 MB
Off-Line Port Buffering
Serial Communication Parameters
Parity
None, Even, Odd, Space, Mark
Data Bits
5, 6, 7, 8
Stop Bits
1, 1.5, 2
Flow Control
RTS/CTS, XON/XOFF, DTR/DSR
Transmission Speed
50 bps to 921.6 Kbps
Software Features
Protocols
Utilities
Configuration
ICMP, IP, TCP, UDP, DHCP, BOOTP, Telnet, SNMP, HTTP,
SMTP
Windows utility for Windows 98/ME/2000/XP/2003
Web browser, serial/telnet console, or Windows utility
Power Requirements
Power Input
Power Consumption
Power Connector
12-48 VDC
560 mA
Power jack or terminal block
Mechanical Specifications
Material
Aluminum sheet metal (1 mm)
Environmental
Operating Temperature
Storage Temperature
0 to 55°C (32 to 131°F), 5 to 95%RH
-20 to 85°C (-4 to 185°F), 5 to 95%RH
Regulatory Approvals
EMC
Safety
FCC Class A, CE Class A
UL, CUL, TÜV
Serial Port Pin Assignments
8-pin RJ45 Port
RS-232/422/485 Pinouts
Pin
RS-232
RS-422
DSR
RTS
GND
TxD
RxD
DCD
CTS
DTR
--TxD+
GND
TxDRxD+
RxD-----
1-4
RS-485
(4-wire)
--TxD+
GND
TxDRxD+
RxD-----
RS-485
(2-wire)
----GND
--Data+
Data-----
2
Chapter 2
Getting Started
This chapter includes information about installing NPort W2250/2150.
The following topics are covered in this chapter:


Panel Layout
Connecting the Hardware
¾ Wiring Requirements
¾ Connecting to the Network
¾ Connecting the Power
¾ Connecting to a Serial Device
¾ LED Indicators
NPort W2250/2150 Plus User’s Manual
Getting Started
Panel Layout
NPort W2250 Plus
NPort W2150 Plus
100M LED (green)
10M LED (orange)
Reset
button
Power jack
power input
RJ45 10/100 Mbps
Ethernet port
Antenna
Terminal Block
power input
DIN-Rail
screw hole
Signal Strength LEDs
Wallmount screw hole
RJ45 (8-pin) serial ports
2-2
NPort W2250/2150 Plus User’s Manual
Getting Started
Connecting the Hardware
This section describes how to connect NPort W2250/2150 to serial devices for first time testing
purposes. We cover Wiring Requirements, Connecting the Power, Connecting to the Network,
Connecting to a Serial Device, and LED Indicators.
Wiring Requirements
ATTENTION
Safety First!
Be sure to disconnect the power cord before installing and/or wiring your device.
Wiring Caution!
Calculate the maximum possible current in each power wire and common wire. Observe all
electrical codes dictating the maximum current allowable for each wire size.
If the current goes above the maximum ratings, the wiring could overheat, causing serious
damage to your equipment.
Temperature Caution!
Be careful when handling the device. When plugged in, the device’s internal components
generate heat, and consequently the casing may feel hot to the touch.
You should also pay attention to the following items:
Use separate paths to route wiring for power and devices. If power wiring and device wiring
paths must cross, make sure the wires are perpendicular at the intersection point.
NOTE: Do not run signal or communication wiring and power wiring in the same wire
conduit. To avoid interference, wires with different signal characteristics should be routed
separately.
Use the type of signal transmitted through a wire to determine which wires should be kept
separate. The rule of thumb is that wiring that shares similar electrical characteristics can be
bundled together.
Keep input wiring and output wiring separate.
Where necessary, it is advisable to label the wiring to all devices in the system.
Connecting to the Network
Connect one end of the Ethernet cable to NPort W2250/2150’s 10/100M Ethernet port and the
other end of the cable to the Ethernet network. If the cable is properly connected, NPort
W2250/2150 will indicate a valid connection to the Ethernet in the following ways:
The Ethernet LED maintains a solid green color when connected to a 100 Mbps Ethernet
network.
The Ethernet LED maintains a solid orange color when connected to a 10 Mbps Ethernet
network.
The Ethernet LED will flash when Ethernet packets are being transmitted or received.
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NPort W2250/2150 Plus User’s Manual
Getting Started
Connecting the Power
Connect the 12-48 VDC power line with NPort W2250/2150’s power jack. When the power is
properly supplied, the “Ready” LED will show a solid red color until the system is ready, at which
time the “Ready” LED will change to a green color.
Connecting to a Serial Device
Connect the serial data cable between NPort W2250/2150 and the serial device. Serial data cables
are optional accessories for NPort W2250/2150. Refer to Chapter 1 under Optional Accessories in
the Ordering Information section for information about the RJ45-to-DB25 and RJ45-to-DB9
cables.
LED Indicators
Top Panel LED Indicators
Name
Color
red
Ready
green
off
WLAN
green
Serial 1
Serial 2
orange
green
off
Signal
Strength
(5 LEDS)
green
Function
Power is on and NPort is booting up.
Indicates a LAN IP conflict, or that the DHCP or
BOOTP server did not respond properly.
Steady on: Power is on and NPort is functioning normally.
Blinking:
The device server has been located by the NPort
Search Utility.
Power is off, or a power error condition exists.
Steady on: Wireless enabled.
Blinking:
Indicates a WLAN IP conflict, or that the DHCP or
BOOTP server did not respond properly.
Serial port is receiving data.
Serial port is transmitting data.
No data is being transmitted or received through the serial port.
The number of lit LEDS indicates the WLAN signal strength. When
[ 0 / 1 / 2 / 3 / 4 / 5 ] LEDs are lit, the corresponding WLAN status is
[ Connection Fail / Bad / Fair / Good / Very Good / Excellent ].
Steady on:
Blinking:
End Panel LED Indicators
Name
Ethernet
Color
orange
green
off
Function
10 Mbps Ethernet connection.
100 Mbps Ethernet connection.
Ethernet cable is disconnected, or has a short.
2-4
3
Chapter 3
Initial IP Configuration
When setting up your NPort W2250/2150 for the first time, the first thing you should do is
configure the IP address. Select one of the initial IP Address configuration methods to configure
NPort W2250/2150’s IP Address. For more details about network settings, see the Network
Settings section from Chapter 5, Web Console Configuration.
This chapter covers the following topics:





Installation Procedure for First-time Users
Factory Default IP Address
ARP
Telnet Console
Serial Console (19200, n, 8, 1)
NPort W2250/2150 Plus User’s Manual
Initial IP Configuration
Installation Procedure for First-time Users
STEP 1: After removing NPort from the box, use a cross-over Ethernet cable to connect directly
to your computer’s Ethernet port.
STEP 2: Attach the power adaptor to the NPort and then plug the adaptor into an electrical outlet.
STEP 3: Use the Web console to configure the NPort W2250/2150 via the Ethernet port.
NOTE
Web Console
We recommend that you use the web console to configure NPort W2250/2150. See Chapter 5 for
instructions on how to use the web console.
Network Interface
Only one Network Interface can be used at the same time. If the Ethernet Link is active, then the
WLAN will be disabled. If the WLAN is active, then the Ethernet Link will be disabled.
Connect First!
You must connect the Ethernet cable first before powering up your NPort.
Factory Default IP Address
NPort W2250/2150 is configured with the following default IP addresses:
LAN:
Setting
IP Address
Netmask
static IP
192.168.126.254
255.255.255.0
Æ If the Ethernet port is unable to get an IP address from the DHCP server, then the IP
address/netmask will revert to 192.168.126.254/255.255.255.0.
WLAN:
Setting
IP Address
Netmask
static IP
192.168.127.254
255.255.255.0
Æ If the WLAN port is unable to get an IP address from the DHCP server, then the IP
address/netmask will revert to 192.168.127.254/255.255.255.0
NOTE
If you forget the IP address, you can use the NPort Search utility (from your PC) to locate the
NPort W2250/2150 unit over the network. You will be able to view the IP address on the screen.
ARP
The ARP (Address Resolution Protocol) command can be used to set up an IP address for your
NPort W2250/2150. The ARP command tells your computer to associate the NPort W2250/2150’s
MAC address with the intended IP address. You must then use Telnet to access the NPort
W2250/2150, at which point the device server’s IP address will be reconfigured.
This function only applies to default IP addresses.
Take the following steps to use ARP to configure the IP address:
1.
Obtain a valid IP address for your NPort W2250/2150 from your network administrator.
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NPort W2250/2150 Plus User’s Manual
Initial IP Configuration
2.
Obtain NPort W2250/2150’s MAC address from the label on its bottom panel.
3.
Execute the ‘arp -s’ command from your computer’s MS-DOS prompt by typing:
arp –s 192.168.200.100 00-90-E8-xx-xx-xx
This is where 192.168.200.100 is the new IP address and 00-90-E8-xx-xx-xx is the MAC
address for your NPort W2250/2150. You will need to change both numbers, as described
above in items 1 and 2.
4.
Next, execute a special Telnet command by typing: telnet 192.168.200.100 6000 After
issuing this command, a Connect failed message will appear, as shown below. After the
NPort W2250/2150 reboots, its IP address should be updated to the new address. You can
reconnect using either Telnet, the Web, or Utility to check that the update was successful.
Telnet Console
1.
2.
From the Windows desktop, click on Start and then selecte Run
Type telnet 192.168.126.254 (default IP address) in the Open text input box, and then click
on OK.
When the Telnet window opens, if you are prompted to input the Console password, input the
password and then press Enter .Note that this page will only appear if the NPort W2250 is
password protected.
---------------------------------Model Name
: NPort W2250
Serial No
: 00010
Ethernet IP : 192.168.126.254
WLAN IP
: 192.168.127.254
WLAN Status : Infrastructure Mode
WLAN SSID
: default
---------------------------------<< Main Menu >>
(1) Basic Settings
(2) Network Settings
(3) Serial Port Settings
(4) System Management
(5) Ping
(6) Change Password
(7) Load Factory Default
(8) Save/Restart
(v) View Settings
(q) Quit
3-3
NPort W2250/2150 Plus User’s Manual
3.
Initial IP Configuration
Type 2 to select Network settings, and then press Enter.
<< Main Menu >>
(1) Basic Settings
(2) Network Settings
(3) Serial Port Settings
(4) System Management
(5) Ping
(6) Change Password
(7) Load Factory Default
(8) Save/Restart
(v) View Settings
(q) Quit
Key in your selection: 2
4.
Type 2 to select Ethernet Configuration and then press Enter.
<< Main Menu >>
(1) General Settings
(2) Ethernet Configuration
(3) WLAN Configuration
(4) View Settings
(5) Back to the Main Menu
(6) Quit
Key in your selection: 2
5.
Type 2 to select IP Address and then press Enter, then use the Backspace key to erase the
current IP address, type in the new IP address, and then press Enter.
<< Main Menu->Network Settings->Ethernet Configuration >>
(1) IP Configuration
(2) IP Address
(3) Netmask
(4) Gateway
(v) View Settings
(m) Back to Main Menu
(q) Quit
Key in your selection: 2
IP Address: 192.168.126.254
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NPort W2250/2150 Plus User’s Manual
6.
Initial IP Configuration
Type m and then press Enter to return to the main menu.
<< Main Menu->Network Settings->Ethernet Configuration >>
(1) IP Configuration
(2) IP Address
(3) Netmask
(4) Gateway
(v) View Settings
(m) Back to Main Menu
(q) Quit
Key in your selection: m
7.
Type 8 and then press Enter to Save/Restart the system.
<< Main Menu >>
(1) Basic Settings
(2) Network Settings
(3) Serial Port Settings
(4) System Management
(5) Ping
(6) Change Password
(7) Load Factory Default
(8) Save/Restart
(v) View Settings
(q) Quit
Key in your selection: 8
8.
Type y and then press Enter to save the new IP address and restart NPort W2250/W2150.
Ready to restart
(y) Yes
(n) No
Key in your selection: y
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NPort W2250/2150 Plus User’s Manual
Initial IP Configuration
Serial Console (19200, n, 8, 1)
Before configuring the NPort W2250/2150 via the serial console, turn off the power and use a
serial cable to connect the NPort W2250/2150 to your computer’s serial port.
We suggest using MOXA PComm Terminal Emulator, which can be downloaded free of charge
from www.moxa.com, to carry out the configuration procedure.
1.
Connect NPort W2250/2150’s serial port 1 directly to your computer’s male RS-232 serial
port.
2.
From the Windows desktop, click on Start Æ Programs Æ PComm Lite Æ Terminal
Emulator.
3.
When the PComm Terminal Emulator window opens, first click on the Port Manager
menu item and select Open, or click on the Open icon.
4.
The Property window opens automatically. From the Communication Parameter page,
select the appropriate COM port for the connection, COM1 in this example, and 19200 for
Baud Rate, 8 for Data Bits, None for Parity, and 1 for Stop Bits.
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NPort W2250/2150 Plus User’s Manual
Initial IP Configuration
5.
From the Property window’s Terminal page, select ANSI or VT100 for Terminal Type,
and click on OK. If you select Dumb Terminal as the terminal type, some of the console
functions—especially the “Monitor” function—may not work properly.
6.
Press the “`” key (located in the upper left corner of the keyboard) continuously while
powering on the NPort W2250/2150.
7.
Sending a continuous “`” string to NPort W2250/W2150 triggers it to switch automatically
from data mode to console mode.
8.
Input the password when prompted. Note that this page will only appear when the NPort
W2250/2150 has been set up for password protection.
9.
Start by configuring the IP address under Network Settings. Refer to the Telnet Console
section for instructions on how to configure the rest of the IP settings.
3-7
4
Chapter 4
Choosing the Proper Operation Mode
In this chapter, we describe the various NPort W2250/2150 operation modes. The options include
an operation mode that uses a driver installed on the host computer, and operation modes that rely
on TCP/IP socket programming concepts. After choosing the proper operation mode in this
chapter, refer to Chapter 5 for detailed configuration parameter definitions.
This chapter covers the following topics:









Overview
TCP Server Mode
TCP Client Mode
UDP Mode
Real COM Mode
Pair Connection Mode
Ethernet Modem Mode
Terminal Mode
Reverse Terminal Mode
NPort W2250/2150 Plus User’s Manual
Choosing the Proper Operation Mode
Overview
NPort W2250/2150 wireless Serial Device Servers are used to network-enable traditional
RS-232/422/485 devices. A Serial Device Server is a tiny computer equipped with a CPU,
real-time OS, and TCP/IP protocols that can bi-directionally translate data between the serial and
Ethernet formats. The Serial Device Server lets you use a computer to access, manage, and
configure remote facilities and equipment over the Internet from anywhere in the world.
Traditional SCADA and data collection systems rely on serial ports (RS-232/422/485) to collect
data from different types of instruments. Since NPort W2250/2150 wireless Serial Device Servers
network-enable instruments equipped with an RS-232/422/485 communication port, your SCADA
and data collection system will be able to access all instruments connected to a standard TCP/IP
network, regardless of whether the devices are used locally or at a remote site.
In addition to providing socket access, NPort W2250/2150 also comes with a Real COM/TTY
driver that transmits all serial signals intact. This means that you can continue using existing
COM/TTY-based software, eliminating the need to invest in additional, costly software.
Three different Socket Modes are available: TCP Server, TCP Client, and UDP Server/Client. The
main difference between the TCP and UDP protocols is that TCP guarantees delivery of data by
requiring the recipient to send an acknowledgement to the sender. UDP does not require this type
of verification, making it possible to offer speedier delivery. UDP lets you unicast to one IP
address, or multicast to groups of IP addresses.
TCP Server Mode
In TCP Server mode, NPort W2250/2150 is configured with a unique IP:Port address on a TCP/IP
network. NPort W2250/2150 waits passively to be contacted by the host computer, allowing the
host computer to establish a connection with and get data from the serial device. This operation
mode also supports up to 4 simultaneous connections, so that multiple hosts can collect data from
the same serial device—at the same time.
As illustrated in the figure, data transmission
proceeds as follows:
1.
The host requests a connection from
the NPort W2250/2150 configured for
TCP Server Mode.
2.
Once the connection is established,
data can be transmitted in both
directions—from the host to the NPort
W2250/2150, and from the NPort
W2250/2150 to the host.
TCP Server Mode
1 Request a
connection
TCP/IP
WLAN
Ethernet
NPort W2250
Antenna
Ready
WLAN
Serial 1
Serial 2
2 Proceed with
data transmission
W2250
Wireless Serial Device Server
Port 1
RS-232/422/485
Serial Device
4-2
Reset
12-48 VDC
Serial Signal
Port 2
RS-232/422-485
NPort W2250/2150 Plus User’s Manual
Choosing the Proper Operation Mode
TCP Client Mode
In TCP Client mode, NPort
W2250/2150 can actively establish a
TCP connection to a pre-defined host
computer when serial data arrives.
TCP Client Mode
TCP/IP
WLAN
After the data has been transferred,
NPort W2250/2150 can disconnect
automatically from the host computer
by using the TCP alive check time or
Inactivity time settings. Refer to
Chapter 5 for more details
1 Request a
connection
Ethernet
NPort W2250
Reset
Antenna
12-48 VDC
Ready
WLAN
Serial 1
Serial 2
2 Proceed with
data transmission
W2250
Wireless Serial Device Server
Port 1
RS-232/422/485
As illustrated in the figure, data
transmission proceeds as follows:
Serial Device
Port 2
RS-232/422-485
Serial Signal
1.
The NPort W2250/2150 requests a connection to the host.
2.
Once the connection is established, data can be transmitted in both directions—from the
host to the NPort W2250/2150, and from the NPort W2250/2150 to the host.
UDP Mode
Compared to TCP communication, UDP is
faster and more efficient. In UDP mode,
you can unicast or multicast data from the
serial device to one or more host
computers. The serial device can also
receive data from multiple host computers,
making this mode ideal for message display
applications.
UDP Mode
TCP/IP
WLAN
Proceed directly with data
transmission (connection
request not required)
NPort W2250
Ethernet
Reset
Antenna
12-48 VDC
Ready
WLAN
Serial 1
Serial 2
W2250
Wireless Serial Device Server
Port 1
RS-232/422/485
Serial Device
4-3
Serial Signal
Port 2
RS-232/422-485
NPort W2250/2150 Plus User’s Manual
Choosing the Proper Operation Mode
Real COM Mode
NPort W2250/2150 comes equipped
with COM drivers that work with
Windows 95/98/ME/NT/2000/XP
systems. The driver establishes a
transparent connection between host
and serial device by mapping the IP of
the NPort W2250/2150’s serial port to a
local COM port on the host computer.
Real COM Mode
TCP/IP
WLAN
Proceed directly with data
transmission (connection
request not required)
NPort W2250
Ethernet
Reset
Antenna
12-48 VDC
Ready
WLAN
Serial 1
Serial 2
W2250
Wireless Serial Device Server
Port 1
RS-232/422/485
Serial Device
Port 2
RS-232/422-485
Serial Signal
One of the main conveniences of using Real COM Mode is that Real COM Mode allows users to
continue using RS-232/422/485 serial communications software that was written for pure serial
communications applications. The driver intercepts data sent to the host’s COM port, packs it into
a TCP/IP packet, and then redirects it through the host’s Ethernet card. At the other end of the
connection, the NPort W2250/2150 accepts the Ethernet frame, unpacks the TCP/IP packet, and
then transparently sends it to the appropriate serial device attached to one of the NPort
W2250/2150’s serial ports.
ATTENTION
Real COM Mode allows several hosts to have access control of the same NPort W2250/2150.
The driver that comes with your NPort W2250/2150 controls host access to attached serial
devices by checking the host’s IP address. Refer to Accessible IP Settings in Chapter 5 for more
details.
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NPort W2250/2150 Plus User’s Manual
Choosing the Proper Operation Mode
Pair Connection Mode
In Pair Connection mode, two NPort
Pair Connection Mode
W2250/2150 Plus servers work together to
Device
remove the 15-meter distance limitation
RS-232/422/485
imposed by the RS-232 interface. One
server is arbitrarily designated the “master”
and the other as the “slave”—it does not
matter which is which as long as there is
one of each. One server is connected from
TCP/IP
Ethernet
its RS-232 port to the COM port of a PC or
another type of computer, such as a
hand-held PDA that has a serial port; the
other server is connected to the serial
device through its RS-232 port.
NPort 6000
Series “Slave”
NPort 6000
Series “Master”
RS-232/422/485
Device
The two servers are then connected to each
other over the network.
Ethernet Modem Mode
Ethernet Modem mode is designed for use with legacy Ethernet Modem Mode
operating systems, such as MS-DOS, that do not
support TCP/IP Ethernet. By connecting the properly
configured NPort W2250/2150 Plus serial port to the
MS-DOS computer’s serial port, it is possible to use
legacy software to transmit data over the Ethernet when
RS-232
the software was originally designed to transmit data
over a modem.
TCP/IP
Ethernet
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NPort W2250/2150 Plus User’s Manual
Choosing the Proper Operation Mode
Terminal Applications
Unix
Windows NT
TCP/IP
NPort 6000
Series
Telnet/
SSH
RS-232
Terminal
Terminal
Terminal
Terminal applications involve connecting terminals to UNIX or Windows servers over a network.
A terminal connects to the appropriately configured serial port the NPort 6000, and the NPort 6000
transmits information to and from a UNIX or Windows server over the network through its
Ethernet port. You may need to check with your network administrator to determine the
appropriate terminal mode. All terminal modes support fast keys as used in many terminal
applications.
Please refer to Chapter 4, Introducing Serial Port Operation Modes, for detailed information and
configuration instructions.
Terminal ASCII Mode
Terminal ASCII mode can handle up to 8 sessions per port with the ability to switch between
sessions on the same terminal. This mode is used for text-based terminals with no file transfer
capability or encryption.
Terminal BIN Mode
Terminal BIN mode allows one session per port and is used for terminal applications that include
file transfer features.
SSH Mode
SSH mode allows one session per port and is used for secure terminal applications that abide by
the SSH protocol.
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Choosing the Proper Operation Mode
Reverse Terminal Applications
Unix
Windows NT
TCP/IP
Telnet
NPort 6000
Series
RS-232
Router
Server
Server
Reverse terminal applications are similar to terminal applications in that they involve using the
NPort 6000 to manage the connection between a terminal and a server. The difference is that with
reverse terminal applications, the terminal is connected through the network and the server is
connected through the serial port, rather than the other way around. In practice, a reverse terminal
session typically involves a network administrator telnetting to a device that has a dedicated serial
console port used specifically for configuration purposes.
For example, many routers, switches, UPS units, and other devices (including the NPort 6000)
have Console/AUX or COM ports to which a terminal can be physically connected for console
management. With the NPort 6000, the device’s console port can be connected to a serial port on
the NPort 6000, allowing a network administrator to telnet to the device remotely through the
network. Although modern network equipment generally allows other options for remote
configuration through the network, there are situations in which it is necessary or desirable to
configure a device by serial console (e.g., for security reasons, when using older-generation
equipment, or as a backup configuration method when the network is down).
NPort 6000 reverse terminal modes allow the use of the NPort 6000 User Table or a RADIUS
server for identity verification purposes. Please refer to the Misc. Network Settings section in
Chapter 8, System Management Settings, for instructions on setting up the NPort 6000 User Table.
Reverse Telnet
Reverse Telnet mode is widely used for device management in telecommunication control rooms.
The system waits for a host on the network to initiate a connection. Since TCP Server mode does
not assist with conversion of CR/LF commands, reverse terminal applications that require this
conversion should use Reverse Telnet mode.
Reverse SSH
The NPort 6000 also offers a Reverse SSH mode so you can use SSH utilities such as PuTTY to
connect to remote servers.
4-7
5
Chapter 5
Web Console Configuration
The Web Console is the most user-friendly method available to configure NPort W2250/2150.
This chapter introduces the Web Console function groups and function definitions.
The following topics are covered in this chapter:








NOTE
Configuring Your Browser
Basic Settings
¾ Time Settings
¾ Web/Telnet Console
Network Settings
¾ General Settings
¾ Ethernet Configuration
¾ WLAN Configuration
Serial Port Settings
¾ Operation Modes
¾ Communication Parameters
System Management
¾ Accessible IP Settings
¾ SNMP Agent
¾ Auto Warning Settings
¾ System Status
Change Password
Load Factory Default
Save/Restart
You may use either a cross-over or straight-through Ethernet cable to connect NPort
W2250/2150 to a PC, Hub, or Switch. NPort W2250/2150’s Ethernet port will auto-detect which
type of cable is being used, and then adjust the signals accordingly.
NPort W2250/2150 Plus User’s Manual
Web Console Configuration
Configuring Your Browser
Before opening your browser, you need to enable cookies.
ATTENTION
To use the Web Console, you will need to enable your browser for cookies. Your browser’s
cookie options should be located on your browser’s Internet Properties window. Since different
browsers, and different versions of the same browser are configured differently, refer to your
browser’s help section for details.
1.
Type 192.168.126.254 (the default IP address) in your browser’s Address box (use the
correct IP address if different from the default), and then press Enter.
2.
Input the password if prompted. The password will be transmitted with MD5 encryption over
the Ethernet. Note that you will not be prompted to enter the password if the NPort
W2250/2150 is not currently password protected.
3.
The NPort W2250/2150 homepage will open. On this page, you can see a brief description of
the Web Console’s nine function groups.
ATTENTION
If you don’t remember the password, the ONLY way to start configuring NPort W2250/2150 is
to load factory defaults by using the Reset button, which is located near the NPort’s RJ45
Ethernet port.
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NPort W2250/2150 Plus User’s Manual
Web Console Configuration
ATTENTION
If you use a web browser other than Internet Explorer, remember to Enable the functions to
“allow cookies that are stored on your computer” or “allow per-session cookies.”
NPort W2250/2150 uses cookies only for “password” transmission.
Basic Settings
Time Settings
NPort W2250/2150 has a built-in Real-Time Clock that allows you to add real-time information to
functions such as Auto warning “Email” or “SNMP Trap.”
ATTENTION
First time users should select the time zone first. The Console will display the “real time”
according to the time zone compared to GMT. If you would like to modify the real time clock,
select “Local time.” NPort W2250/2150’s firmware will modify the GMT time according to the
Time Zone.
Time zone (24 hour)
Setting
User selectable time zone
Local time
Setting
User adjustable time
(1900/1/1-2037/12/31)
Factory Default
Necessity
GMT (Greenwich Mean Time)
Optional
Factory Default
Necessity
GMT (Greenwich Mean Time)
Optional
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Web Console Configuration
Click on the [ Modify ] button to open the Modify time settings window to input the correct local
time.
Time server
Setting
IP Address or Domain Name
(E.g., 192.168.1.1,
time.stdtime.gov.tw, or
time.nist.gov)
Factory Default
Necessity
None
Optional
NPort W2250/2150 uses SNTP (RFC-1769) for auto time calibration.
Input the correct “Time server” IP address or domain name. Once NPort W2250/2150 is
configured with the correct Time server address, NPort W2250/2150 will request time information
from the “Time server” every 10 minutes.
Web/Telnet Console
The “Disable” option for “Web Console” and “Telnet Console” is included for security reasons. In
some cases, you may want to Disable one or both of these console utilities as an extra precaution
to prevent unauthorized users from accessing your NPort W2250/2150. The factory default for
both Web console and Telnet console is Enable.
Web/Telnet Console
Setting
Enable or Disable
Factory Default
Necessity
Enable
Required
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Web Console Configuration
Network Settings
General Settings
Click on the General Settings option to modify the Server name and DNS server IP addresses or
domain names.
Server name
Setting
Alphanumeric
Factory Default
Necessity
NPW2250_, or
Optional
NPW2150_
DNS server 1 / DNS server 2
Setting
E.g., 192.168.1.1
(IP addresses of the form x.x.x.0
and x.x.x.255 are invalid.
Factory Default
Necessity
None
Optional
When a user wishes to visit a particular website, the computer first requests the website’s correct
IP address from the Domain Name System (DNS) server, and then the computer uses the response
to connect to the website. DNS represents the method used to translate Internet domain names into
IP addresses. A domain name is an alphanumeric name, such as moxa.com, that it is easier to
remember. A DNS server is a host that translates this kind of text-based domain name into the
numeric IP address used to establish a TCP/IP connection.
In order to use NPort W2250/2150’s DNS feature, you need to configure the DNS server. Doing
so allows NPort W2250/2150 to use a host’s domain name to access the host. NPort W2250/2150
provides DNS server 1 and DNS server 2 configuration items to configure the IP address of the
DNS server. DNS Server 2 is included for use when DNS sever 1 is unavailable.
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NPort W2250/2150 Plus User’s Manual
Web Console Configuration
Ethernet Configuration
You must assign a valid IP address to NPort W2250/2150 before it will work in your network
environment. Your network system administrator should provide you with an IP address and
related settings for your network. The IP address must be unique within the network (otherwise,
NPort W2250/2150 will not have a valid connection to the network). First time users should refer
to Chapter 3, “Initial IP Address Configuration,” for more information.
Choose from four possible “IP configuration” modes—Static, DHCP, DHCP/BOOTP, and
BOOTP—located under the web console screen’s IP configuration drop-down box.
IP configuration
Method
Function Definition
Static
User defined IP address, Netmask, Gateway.
DHCP
DHCP Server assigned IP address, Netmask, Gateway, DNS,
and Time Server.
DHCP/BOOTP
DHCP Server assigned IP address, Netmask, Gateway, DNS,
and Time Server, or BOOTP Server assigned IP address (if the
DHCP Server does not respond).
BOOTP
BOOTP Server assigned IP address.
IP address
Setting
E.g., 192.168.1.1
(IP addresses of the form x.x.x.0
and x.x.x.255 are invalid.
Factory Default
Necessity
192.168.126.254
Required
An IP address is a number assigned to a network device (such as a computer) as a permanent
address on the network. Computers use the IP address to identify and talk to each other over the
network. Choose a proper IP address that is unique and valid in your network environment.
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NPort W2250/2150 Plus User’s Manual
Netmask
Setting
E.g., 255.255.255.0
Web Console Configuration
Factory Default
Necessity
255.255.255.0
Required
A netmask is used to group network hosts into subnets. When a packet is sent out over the network,
the NPort W2250/2150 will use the netmask to check whether the desired TCP/IP host specified in
the packet is on the same subnet as the NPort. If the address is on the same subnet, a connection is
established directly between the NPort W2250/2150 and the host. If the host is not on the same
subnet, the packet is sent to the Gateway address.
Gateway
Setting
E.g., 192.168.1.1
Factory Default
Necessity
None
Optional
A gateway is a network gateway that acts as an entrance to another network. Usually, the
computers that control traffic within the network or at the local Internet service provider are
gateway nodes. NPort W2250/2150 needs to know the IP address of your network’s default
gateway computer in order to communicate with the hosts outside the local network environment.
For correct gateway IP address information, consult your network administrator.
ATTENTION
In dynamic IP environments, the firmware will make 3 requests to the DHCP or BOOTP server
every 30 seconds until network settings are assigned by the DHCP or BOOTP server. The
Timeout for each try increases from 1 second, to 3 seconds, to 5 seconds. If the DHCP/BOOTP
Server is unavailable, the firmware will use the default IP address (192.168.126.254), Netmask,
and Gateway for IP settings.
WLAN Configuration
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NPort W2250/2150 Plus User’s Manual
Web Console Configuration
Network Configuration
NPort W2250/2150 supports the IEEE 802.11b wireless network interface.
The supported IP configurations are static and dynamic (BOOTP , DHCP, or BOOTP+DHCP ).
Users can set up the IP configuration via the serial console, or the Web/Telnet consoles through
the NPort’s Ethernet interface.
For detailed information about configuring IP configuration, IP address, Netmask, and
Gateway, see the previous section, “Ethernet Configuration.”
WLAN
You may choose from two different WLAN modes—Infrastructure Mode and Ad-hoc Mode—
which are illustrated in the following diagrams.
Ad-hoc Mode
In the following example, two NPort W2250/2150 devices establish an Ad-hoc peer-to-peer
relationship, which means that they communicate with each other directly, without going through
an AP (Access Point).
WLAN
Ethernet
Reset
Antenna
Ethernet
12-48 VDC
Antenna
Ready
WLAN
WLAN
Serial 1
Serial 2
W2250
W2250
Wireless Serial Device Server
HMI
Reset
12-48 VDC
Ready
Serial 1
Serial 2
Port 1
RS-232/422/485
Wireless Serial Device Server
Port 2
RS-232/422-485
RS-232
Port 1
RS-232/422/485
Port 2
RS-232/422-485
RS-232
Flow meters
Drives
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NPort W2250/2150 Plus User’s Manual
Web Console Configuration
Infrastructure Mode
In the following example, the NPort W2250/2150 communicates with the host computer via the
AP. The host computer connects to the AP via an Ethernet connection, allowing serial data to be
transmitted back and forth between the serial devices and host computer.
Host
computer
Ethernet
Reset
Antenna
12-48 VDC
Ready
WLAN
Router
Serial 1
Serial 2
W2250
Wireless Serial Device Server
RS-232
Port 1
RS-232/422/485
WLAN
Ethernet
Port 2
RS-232/422-485
Wireless
Access Point
Electronic scales
Ethernet
Reset
Antenna
12-48 VDC
Ready
WLAN
Serial 1
Serial 2
W2250
Wireless Serial Device Server
RS-485
Port 1
RS-232/422/485
Internet
Port 2
RS-232/422-485
Flow meters
SSID
Enter the name of the wireless network (SSID) that the W2250/2150 is connected to.
Channel
Select a radio channel for the wireless network from the pull-down menu. In infrastructure mode,
the AP will specify the channel automatically. In Ad-hoc mode, the user must use the pull-down
menu to specify the channel.
ATTENTION
Click on the Wizard to configure the WLAN IP address quickly.
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Web Console Configuration
Security
The wireless network interface supports data encryption (WEP, 64 or 128 bits) and authentication
(Open or Shared authentication).
Authentication
Select an authentication scheme of Open or Shared from the pull-down menu.
WEP Mode
By default, WEP Mode is disabled. When WEP Mode is enabled, data packets will be encrypted
before send .you can select 64-bit or 128-bit.
WEP Key Index
Selects the Primary WEP Key for your wireless network.
WEP Key 1/2/3/4
For each of the four WEP Keys, select either ASCII or HEX format, and then enter the
appropriate WEP Key. The WEP Keys are used to help prevent data from being stolen as it is
transmitted over public networks. The WEP Key setting(s) for the NPort W2250/2150 must be the
same as the WEP Key settings for the AP.
Serial Port Settings
Serial port settings are configured by port. For NPort W2250, you will need to configure both Port
1 and Port 2. For NPort W2150, you will just need to configure Port 1.
Operation Modes
The Serial Port parameters that appear in the right pane of the browser window when Serial Port
Settings Æ Port 1/2 Æ Operation Modes is selected are dependent on which of the four
operation modes is selected. We consider each operation mode in turn.
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Web Console Configuration
Real COM Mode
Port 01(02)
TCP alive check time
Setting
0 to 99 min
Factory Default
Necessity
7 min
Optional
0 min: TCP connection is not closed due to an idle TCP connection.
1 to 99 min: NPort W2250/2150 automatically closes the TCP connection if there is no TCP
activity for the given time. After the connection is closed, NPort W2250/2150 starts listening for
another Real COM driver connection request.
Max connection
Setting
1, 2, 3, 4
Factory Default
Necessity
Required
Max connection is usually used when the user needs to receive data from different hosts
simultaneously. The factory default is 1. In this case, only one specific host can access this port of
the NPort W2250/2150, and the Real COM driver on that host will have full control over the port.
Max connection 1
Allows only 1 host’s Real COM driver to open the specific NPort W2250/2150 serial port.
Max connection 2 to 4:
Allows 2 to 4 host’s Real COM drivers to open the specific NPort W2250/2150 serial port, at the
same time. When multiple hosts’ Real COM drivers open the serial port at the same time, the
COM driver only provides a pure data tunneling without control ability.
Application software that is based on the COM driver will receive a driver response of “success”
when the software uses any of the Win32 API functions. The firmware will only send the data
back to the driver on the host.
Data will be sent first-in-first-out when data comes into the NPort W2250/2150 from the Ethernet
interface.
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ATTENTION
When Max connection is set to 2, 3, or 4, NPort W2250/2150 will use a “multi connection
application” (i.e., 2, 3, or 4 hosts are allowed access to the port at the same time). When using a
multi connection application, NPort W2250/2150 will use the serial communication parameters
set in the console. All of the hosts connected to that port must use the same serial settings. If one
of the hosts opens the COM port with parameters that are different from NPort W2250/2150’s
console setting, data communication may not work properly.
Data Packing
Delimiter 1/2
Setting
00 to FF (hex)
Factory Default
Necessity
None
Optional
Once the NPort W2250/2150 receives both delimiters through its serial port, it immediately packs
all data currently in its buffer and sends it to the NPort W2250/2150’s Ethernet port.
ATTENTION
Delimiter 2 is optional. If left blank, then Delimiter 1 alone trips clearing of the buffer. If the size
of the serial data received is greater than 1 KB, the NPort W2250/2150 will automatically pack
the data and send it to the Ethernet. However, to use the delimiter function, you must at least
enable Delimiter 1. If Delimiter 1 is left blank and Delimiter 2 is enabled, the delimiter function
will not work properly.
Force transmit
Setting
0 to 65535 ms
Factory Default
Necessity
Optional
0: Disable force transmit timeout.
1 to 65535: Forces the NPort W2250/2150’s TCP/IP protocol software to try to pack serial data
received during the specified time into the same data frame.
This parameter defines the time interval during which NPort W2250/2150 fetches the serial data
from its internal buffer. If data is incoming through the serial port, NPort W2250/2150 stores the
data in the internal buffer. NPort W2250/2150 transmits data stored in the buffer via TCP/IP, but
only if the internal buffer is full or if the Force transmit time interval reaches the time specified
under Force transmit timeout.
The optimal Force transmit timeout depends on your application, but it must be at least larger than
one character interval within the specified baud rate. For example, assume that the serial port is set
to 1200 bps, 8 data bits, 1 stop bit, and no parity. In this case, the total number of bits needed to
send a character is 10 bits, and the time required to transfer one character is
( 10 (bits) / 1200 (bits/s) ) * 1000 (ms/s) = 8.3 ms.
Therefore, you should set Force transmit to be larger than 8.3 ms, so in this case, it must be greater
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Web Console Configuration
than or equal to 10 ms.
If you want to send a series of characters in the same packet, the serial device attached to NPort
W2250/2150 should send that series of characters during a time interval less than the Force
transmit timeout, and the total length of data must be less than or equal to NPort W2250/2150’s
internal buffer size. The serial communication buffer size for NPort W2250/2150 is 1 KB per port.
TCP Server Mode
Port 01(02)
TCP alive check time
Setting
0 to 99 min
Factory Default
Necessity
7 min
Optional
0 min: TCP connection is not closed due to an idle TCP connection.
1 to 99 min: NPort W2250/2150 automatically closes the TCP connection if there is no TCP
activity for the given time. After the connection is closed, NPort W2250/2150 starts listening for
another host’s TCP connection.
Inactivity time
Setting
0 to 65535 ms
Factory Default
Necessity
0 ms
Optional
0 ms: TCP connection is not closed due to an idle serial line.
0-65535 ms: NPort W2250/2150 automatically closes the TCP connection if there is no serial data
activity for the given time. After the connection is closed, NPort W2250/2150 starts listening for
another host’s TCP connection.
This parameter defines the maintenance status as Closed or Listen for the TCP connection. The
connection is closed if there is no incoming or outgoing data through the serial port during the
specific Inactivity time.
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If the Inactivity time is set to 0, the current TCP connection is kept active until a connection close
request is received. Although Inactivity time is disabled, the NPort W2250/2150 will check the
connection status between the NPort W2250/2150 and remote host by sending “keep alive”
packets periodically. If the remote host does not respond to the packet, NPort W2250/2150
assumes that the connection was closed down unintentionally. NPort W2250/2150 will then force
the existing TCP connection to close.
ATTENTION
The Inactivity time should be set at least larger than that of Force transmit timeout. To prevent
the unintended loss of data due to the session being disconnected, it is highly recommended that
this value is set large enough so that the intended data transfer can be completed.
Max connection
Setting
1, 2, 3, 4
Factory Default
Necessity
Required
Max connection is usually used when the user needs to receive data from different hosts
simultaneously. The factory default is 1. In this case, only one specific host can access this port of
the NPort W2250/2150.
Max connection 1
Allows only 1 host to open the specific NPort W2250/2150 serial port.
Max connection 2 to 4:
Allows 2 to 4 hosts to open the specific NPort W2250/2150 serial port, at the same time. When
multiple hosts open the serial port at the same time, the COM driver only provides a pure data
tunneling without control ability.
Data will be sent first-in-first-out when data comes into the NPort W2250/2150 from the Ethernet
interface.
ATTENTION
When Max connection is set to 2, 3, or 4, NPort W2250/2150 will use a “multi connection
application” (i.e., 2, 3, or 4 hosts are allowed access to the port at the same time). When using a
multi connection application, NPort W2250/2150 will use the serial communication parameters
set in the console. All of the hosts connected to that port must use the same serial settings. If one
of the hosts opens the COM port with parameters that are different from NPort W2250/2150’s
console setting, data communication may not work properly.
Data Packing
Delimiter 1/2
Setting
Factory Default
Necessity
00 to FF (hex)
None
Optional
Once the NPort W2250/2150 receives both delimiters through its serial port, it immediately packs
all data currently in its buffer and sends it to the NPort W2250/2150’s Ethernet port.
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ATTENTION
Delimiter 2 is optional. If left blank, then Delimiter 1 alone trips clearing of the buffer. If the size
of the serial data received is greater than 1 KB, the NPort W2250/2150 will automatically pack
the data and send it to the Ethernet. However, to use the delimiter function, you must at least
enable Delimiter 1. If Delimiter 1 is left blank and Delimiter 2 is enabled, the delimiter function
will not work properly.
Force transmit
Setting
0 to 65535 ms
Factory Default
Necessity
Optional
0: Disable force transmit timeout.
1 to 65535: Forces the NPort W2250/2150’s TCP/IP protocol software to try to pack serial data
received during the specified time into the same data frame.
This parameter defines the time interval during which NPort W2250/2150 fetches the serial data
from its internal buffer. If data is incoming through the serial port, NPort W2250/2150 stores the
data in the internal buffer. NPort W2250/2150 transmits data stored in the buffer via TCP/IP, but
only if the internal buffer is full or if the Force transmit time interval reaches the time specified
under Force transmit timeout.
The optimal Force transmit timeout depends on your application, but it must be at least larger than
one character interval within the specified baud rate. For example, assume that the serial port is set
to 1200 bps, 8 data bits, 1 stop bit, and no parity. In this case, the total number of bits needed to
send a character is 10 bits, and the time required to transfer one character is
( 10 (bits) / 1200 (bits/s) ) * 1000 (ms/s) = 8.3 ms.
Therefore, you should set Force transmit to be larger than 8.3 ms, so in this case, it must be greater
than or equal to 10 ms.
If you want to send a series of characters in the same packet, the serial device attached to NPort
W2250/2150 should send that series of characters during a time interval less than the Force
transmit timeout, and the total length of data must be less than or equal to NPort W2250/2150’s
internal buffer size. The serial communication buffer size for NPort W2250/2150 is 1 KB per port.
TCP Server Mode
Local TCP Port
Setting
1 to 65535
Factory Default
Necessity
4001
Required
The “Local TCP port” is the TCP port that NPort W2250/2150 uses to listen to connections, and
that other devices must use to contact NPort W2250/2150. To avoid conflicts with well known
TCP ports, the default is set to 4001.
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Command port
Setting
1 to 65535
Web Console Configuration
Factory Default
Necessity
966
Optional
The “Command port” is a listen TCP port for IP-Serial Lib commands from the host. In order to
prevent a TCP port conflict with other applications, the user can set the Command port to another
port if needed. IP-Serial Lib will automatically check the Command Port on NPort W2250/2150 so
that the user does not need to configure the program.
TCP Client Mode
Port 01(02)
TCP alive check time
Setting
0 to 99 min
Factory Default
Necessity
7 min
Optional
0 min: TCP connection is not closed due to an idle TCP connection.
1 to 99 min: NPort W2250/2150 automatically closes the TCP connection if there is no TCP
activity for the given time. After the connection is closed, NPort W2250/2150 starts listening for
another host’s TCP connection.
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Inactivity time
Setting
0 to 65535 ms
Web Console Configuration
Factory Default
Necessity
0 ms
Optional
0 ms: TCP connection is not closed due to an idle serial line.
0-65535 ms: NPort W2250/2150 automatically closes the TCP connection if there is no serial data
activity for the given time. After the connection is closed, NPort W2250/2150 starts listening for
another host’s TCP connection.
This parameter defines the maintenance status as Closed or Listen for the TCP connection. The
connection is closed if there is no incoming or outgoing data through the serial port during the
specific Inactivity time.
If the Inactivity time is set to 0, the current TCP connection is kept active until a connection close
request is received. Although Inactivity time is disabled, the NPort W2250/2150 will check the
connection status between the NPort W2250/2150 and remote host by sending “keep alive”
packets periodically. If the remote host does not respond to the packet, NPort W2250/2150
assumes that the connection was closed down unintentionally. NPort W2250/2150 will then force
the existing TCP connection to close.
ATTENTION
The Inactivity time should be set at least larger than that of Force transmit timeout. To prevent
the unintended loss of data due to the session being disconnected, it is highly recommended that
this value is set large enough so that the intended data transfer can be completed.
ATTENTION
Inactivity time is ONLY active when “TCP connect on” is set to “Any character.”
Data Packing
Delimiter 1/2
Setting
Factory Default
Necessity
00 to FF (hex)
None
Optional
Once the NPort W2250/2150 receives both delimiters through its serial port, it immediately packs
all data currently in its buffer and sends it to the NPort W2250/2150’s Ethernet port.
ATTENTION
Delimiter 2 is optional. If left blank, then Delimiter 1 alone trips clearing of the buffer. If the size
of the serial data received is greater than 1 KB, the NPort W2250/2150 will automatically pack
the data and send it to the Ethernet. However, to use the delimiter function, you must at least
enable Delimiter 1. If Delimiter 1 is left blank and Delimiter 2 is enabled, the delimiter function
will not work properly.
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Force transmit
Setting
0 to 65535 ms
Web Console Configuration
Factory Default
Necessity
Optional
0: Disable force transmit timeout.
1 to 65535: Forces the NPort W2250/2150’s TCP/IP protocol software to try to pack serial data
received during the specified time into the same data frame.
This parameter defines the time interval during which NPort W2250/2150 fetches the serial data
from its internal buffer. If data is incoming through the serial port, NPort W2250/2150 stores the
data in the internal buffer. NPort W2250/2150 transmits data stored in the buffer via TCP/IP, but
only if the internal buffer is full or if the Force transmit time interval reaches the time specified
under Force transmit timeout.
The optimal Force transmit timeout depends on your application, but it must be at least larger than
one character interval within the specified baud rate. For example, assume that the serial port is set
to 1200 bps, 8 data bits, 1 stop bit, and no parity. In this case, the total number of bits needed to
send a character is 10 bits, and the time required to transfer one character is
( 10 (bits) / 1200 (bits/s) ) * 1000 (ms/s) = 8.3 ms.
Therefore, you should set Force transmit to be larger than 8.3 ms, so in this case, it must be greater
than or equal to 10 ms.
If you want to send a series of characters in the same packet, the serial device attached to NPort
W2250/2150 should send that series of characters during a time interval less than the Force
transmit timeout, and the total length of data must be less than or equal to NPort W2250/2150’s
internal buffer size. The serial communication buffer size for NPort W2250/2150 is 1 KB per port.
TCP Client Mode
Destination IP address 1/2/3/4
Setting
IP address or Domain Name
Factory Default
Necessity
None
Required
ATTENTION
Inactivity time is ONLY active when “TCP connect on” is set to “Any character.”
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UDP Mode
Data Packing
Delimiter 1/2
Setting
00 to FF (hex)
Factory Default
Necessity
None
Optional
Once the NPort W2250/2150 receives both delimiters through its serial port, it immediately packs
all data currently in its buffer and sends it to the NPort W2250/2150’s Ethernet port.
ATTENTION
Delimiter 2 is optional. If left blank, then Delimiter 1 alone trips clearing of the buffer. If the size
of the serial data received is greater than 1 KB, the NPort W2250/2150 will automatically pack
the data and send it to the Ethernet. However, to use the delimiter function, you must at least
enable Delimiter 1. If Delimiter 1 is left blank and Delimiter 2 is enabled, the delimiter function
will not work properly.
Force transmit
Setting
0 to 65535 ms
Factory Default
Necessity
Optional
0: Disable force transmit timeout.
1 to 65535: Forces the NPort W2250/2150’s TCP/IP protocol software to try to pack serial data
received during the specified time into the same data frame.
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This parameter defines the time interval during which NPort W2250/2150 fetches the serial data
from its internal buffer. If data is incoming through the serial port, NPort W2250/2150 stores the
data in the internal buffer. NPort W2250/2150 transmits data stored in the buffer via TCP/IP, but
only if the internal buffer is full or if the Force transmit time interval reaches the time specified
under Force transmit timeout.
The optimal Force transmit timeout depends on your application, but it must be at least larger than
one character interval within the specified baud rate. For example, assume that the serial port is set
to 1200 bps, 8 data bits, 1 stop bit, and no parity. In this case, the total number of bits needed to
send a character is 10 bits, and the time required to transfer one character is
( 10 (bits) / 1200 (bits/s) ) * 1000 (ms/s) = 8.3 ms.
Therefore, you should set Force transmit to be larger than 8.3 ms, so in this case, it must be greater
than or equal to 10 ms.
If you want to send a series of characters in the same packet, the serial device attached to NPort
W2250/2150 should send that series of characters during a time interval less than the Force
transmit timeout, and the total length of data must be less than or equal to NPort W2250/2150’s
internal buffer size. The serial communication buffer size for NPort W2250/2150 is 1 KB per port.
UDP Mode
Destination IP address 1
Setting
IP address range
E.g.
Begin:
End:
192.168.1.1
192.168.1.10
Destination IP address 2/3/4
Setting
Factory Default
Begin:
Empty
End:
Empty
Port:
4001
Factory Default
Necessity
Required
Necessity
IP address range
Optional
Begin:
Empty
Begin:
192.168.1.11
End:
192.168.1.20
Allows NPort W2250/2150 to connect actively to the remote host whose IP address is set by this
parameter.
E.g.
Local Listen port
Setting
Factory Default
Necessity
1 to 65535
4001
Required
The UDP port that NPort listens to, and that other devices must use to contact NPort. To avoid
conflicts with well known UDP ports, the default is set to 4001.
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Communication Parameters
Port 01(02)
Port alias
Setting
Factory Default
Necessity
1 to 15 characters
None
Optional
(e.g., PLC-No. 1)
“Port alias” is included to allow easy identification of the serial devices that are connected to
NPort W2250/2150’s serial port.
Serial Parameters
ATTENTION
Check the serial communication parameters in your Serial Device’s user’s manual. You should
set up NPort W2250/2150’s serial parameters with the same communication parameters used by
your serial devices.
Baud Rate
Setting
110 bps to 230.4 Kbps
Data Bits
Setting
5, 6, 7, 8
Stop Bits
Setting
1, 2
Factory Default
Necessity
115.2 Kbps
Required
Factory Default
Necessity
Required
Factory Default
Necessity
Required
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Parity
Setting
None, Odd, Even, Space, Mark
Flow Control
Setting
None, RTS/CTS, DTR/DSR,
XON/XOFF
FIFO
Setting
Web Console Configuration
Factory Default
Necessity
None
Required
Factory Default
Necessity
RTS/CTS
Required
Factory Default
Necessity
Enable, Disable
Enable
Required
NPort W2250/2150’s serial ports provide a 16-byte FIFO both in the Tx and Rx directions. To
prevent data loss during communication, disable the FIFO setting when your serial device does not
have a FIFO.
Interface
Model
Ports
Settings
Factory Default
Necessity
NPort W2250
RS-232/422/485
RS-232
Required
NPort W2150
RS-232/422/485
RS-232
Required
System Management
Accessible IP Settings
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Web Console Configuration
NPort W2250/2150 uses an IP address based filtering method to control access to itself.
Accessible IP Settings allows you to add or block remote host IP addresses to prevent
unauthorized access. Access to NPort W2250/2150 is controlled by IP address. That is, if a host’s
IP address is in the accessible IP table, then the host will be allowed to access the NPort
W2250/2150. You can set up one of the following cases by setting the parameters accordingly.
Only one host with a specific IP Address can access the NPort W2250/2150
Enter the specific IP address (e.g., 192.168.1.1), and enter 255.255.255.255 for Netmask.
Hosts on the specific subnet can access the NPort W2250/2150
Enter an IP address (e.g., 192.168.1.0), and enter the Netmask (e.g., 255.255.255.0). Note
that this type of setting will allow access to all network hosts on a particular subnet.
Any host can access the NPort W2250/2150
Disable this function by un-checking the “Enable the accessible IP list” checkbox. Refer to
the following table for more configration examples.
The following “Allowable Hosts” table gives five configuration examples.
Allowable Hosts
IP Address
Netmask
Any host
blank
blank
192.168.1.120
192.168.1.120
255.255.255.255
192.168.1.1 to 192.168.1.254
192.168.1.0
255.255.255.0
192.168.0.1 to 192.168.255.254
192.168.0.0
255.255.0.0
192.168.1.1 to 192.168.1.126
192.168.1.0
255.255.255.128
192.168.1.129 to 192.168.1.254
192.168.1.128
255.255.255.128
SNMP Agent
To enable the SNMP Agent function, select the enable option, and enter a Community Name (e.g.,
“public”).
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Community name
Setting
Web Console Configuration
Factory Default
Necessity
1 to 39 characters
(e.g., Support, 886-89191230
public
Optional
#300)
A community name is a plain-text password mechanism that is used to authenticate weakly queries
to agents of managed network devices.
Contact
Setting
Factory Default
Necessity
1 to 39 characters
(e.g., Support, 886-89191230
None
Optional
#300)
The SNMP contact information usually includes an emergency contact name and telephone or
pager number.
Location
Setting
Factory Default
Necessity
1 to 39 characters
None
Optional
(e.g., Floor 1, Office No. 2)
Specify the location string for SNMP agents such as NPort W2250/2150. This string is usually set
to the street address where the NPort W2250/2150 is physically located.
Auto Warning Settings
E-mail and SNMP Trap
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Web Console Configuration
Mail Server Settings
Mail server (SMTP)
Setting
IP Address or Domain Name
User name
Setting
1 to 15 characters
Password
Setting
1 to 15 characters
From E-mail address
Setting
1 to 63 characters
Alert Mailing List
E-mail address 1/2/3/4
Setting
1 to 63 characters
Factory Default
Necessity
None
Optional
Factory Default
Necessity
None
Optional
Factory Default
Necessity
None
Optional
Factory Default
Necessity
None
Optional
Factory Default
Necessity
None
Optional
ATTENTION
Consult your Network Administrator or ISP for the proper mail server settings. The Auto
warning function may not work properly if it is not configured correctly. NPort W2250/W2150
SMTP AUTH supports LOGIN, PLAIN, CRAM-MD5 (RFC 2554).
SNMP Trap Server
SNMP trap server IP or domain name
Setting
Factory Default
IP address or Domain Name
None
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Web Console Configuration
Event Type
System Event
Cold start
This refers to starting the system from power off (contrast this with warm start). When performing
a cold start, NPort W2250/W2150 will automatically issue an Auto warning message by e-mail, or
send an SNMP trap after booting up.
Warm start
This refers to restarting the computer without turning the power off. When performing a warm
start, NPort W2250/W2150 will automatically send an e-mail, or send an SNMP trap after
rebooting.
Authentication Failure
The user inputs a wrong password from the Console or Administrator. When authentication failure
occurs, NPort W2250/W2150 will immediately send an e-mail or send an SNMP trap.
IP address changed
The user has changed NPort W2250/W2150’s IP address. When the IP address changes, NPort
W2250/W2150 will send an e-mail with the new IP address before NPort W2250/W2150 reboots.
If the NPort W2250/W2150 is unable to send an e-mail message to the mail server within 15
seconds, NPort W2250/W2150 will reboot anyway, and abort the e-mail auto warning.
Password changed
The user has changed NPort W2250/W2150’s password. When the password changes, NPort
W2250/W2150 will send an e-mail with the password changed notice before NPort
W2250/W2150 reboots. If the NPort W2250/W2150 is unable to send an e-mail message to the
mail server within 15 seconds, NPort W2250/W2150 will reboot anyway, and abort the e-mail
auto warning.
DCD Changed
The DCD (Data Carrier Detect) signal has changed, also indicating that the modem connection
status has changed. For example, a DCD change to high also means “Connected” between local
modem and remote modem. If the DCD signal changes to low, it also means that the connection
line is down.
When the DCD changes, NPort W2250/2150 will immediately send an e-mail or send an SNMP
trap.
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DSR Changed
The DSR (Data Set Ready) signal has changed, also indicating that the data communication
equipment’s power is off. For example, a DSR change to high also means that the DCE is powered
ON. If the DSR signal changes to low, it also means that the DCE is powered off.
When the DSR changes, NPort W2250/2150 will immediately send an e-mail or send an SNMP
trap.
Mail
Setting
Factory Default
Necessity
Enable, Disable
Disable
Optional
This feature helps the administrator manage how the NPort W2250/W2150 sends e-mail to
pre-defined e-mail boxes when the enabled events—such as Cold start, Warm start, Authentication
failure, etc.—occur. To configure this feature, click on the Event Type Mail checkbox.
Trap
Setting
Factory Default
Necessity
Enable, Disable
Disable
Optional
This feature helps the administrator manage how the NPort W2250/W2150 sends SNMP Trap to a
pre-defined SNMP Trap server when the enabled events—such as Cold start, Warm start,
Authentication failure, etc.—occur. To configure this feature, click on the Event Type Trap
checkbox.
System Status
WLAN Status
The WLAN Status page lists Mode, SSID, Band, Channel, Link status, Signal strength,
Connection speed, WEP mode, IP configuration, IP address, and Netmask, as shown in the
following figure.
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Web Console Configuration
Serial to Network Connections
The Serial to Network Connections page lists the operation modes and IP addresses associated
with each of the wireless device server’s serial ports.
Serial Port Status
The Serial Port Status page lists serial transmission stats for each of the wireless device server’s
serial ports.
Change Password
To change the password for the NPort W2250/2150, input the Old password, New password, and
then retype the new password in the Retype password” input box. To erase the password, simply
leave all three text input boxes blank, and then click on Submit.
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Web Console Configuration
Load Factory Default
Click on Submit in the Load Factory Default page to reload the NPort W2250/W2150’s factory
default values. Keep in mind that all current settings will be lost.
Save/Restart
After making modifications to the NPort W2250/2150’s configuration, click on Submit in the
Save/Restart page to save the settings, and reboot the NPort W2250/2150.
ATTENTION
If you forget the password, the ONLY way to configure NPort W2250/2150 is by using the
Reset button on NPort W2250/2150’s casing to “Load Factory Default.”
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6
Chapter 6
Installing and Configuring the Software
This following topics are covered in this chapter:







Overview
Installing NPort COM Driver
Intalling NPort Search Utility
Configuring NPort COM Driver
Configuring NPort Search Utility
Real TTY and Fixed TTY Installation
Upgrading the Firmware
NPort W2250/2150 Plus User’s Manual
Installing and Configuring the Software
Overview
The Documentation & Software CD included with your NPort W2250/2150 is designed to make
the installation and configuration procedure easy and straightforward. This auto-run CD includes
the NPort COM Driver (for COM mapping), NPort Search Utility (to broadcast search for all
NPort W2250/2150 accessible over the network), User’s Manual, and firmware upgrade utility.
Installing NPort COM Driver
1.
Click on the INSTALL COM Driver button in the NPort Installation CD auto-run window
to install the NPort W2000 Series COM Driver.
2.
Once the installation program starts running, click on Yes to proceed.
3.
Click on Next when the Welcome window opens to proceed with the installation.
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4.
Click on Next to install program files in the default directory, or use the folder menu to select
an alternative location.
5.
Click on Next to install the program’s shortcuts in the NPort Windows Driver Manager
Start Menu folder.
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6.
Click on Install to proceed with the installation.
7.
The Installing window will report the progress of the installation.
8.
Click on Finish to complete the installation of the NPort W2250/W2150 COM Mapping
Utility.
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Installing NPort Search Utility
1.
Click on the INSTALL UTILITY button in the NPort Installation CD auto-run window to
install the NPort Search Utility.
2.
Once the program starts running, click on Yes to proceed.
3.
Click on Next when the Welcome window opens to proceed with the installation.
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4.
Click on Next to install program files in the default directory, or use the folder menu to select
an alternative location.
5.
Click on Next to install the program’s shortcuts in the NPort Search Utility Start Menu
folder.
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6.
Click on Install to proceed with the installation.
7.
The Installing window will report the progress of the installation.
8.
Click on Finish to complete the installation of the NPort W2250/W2150 Search Utility.
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Installing and Configuring the Software
Configuring NPort COM Driver
The NPort COM Driver utility installs Real COM drivers that work under Windows
98/ME/2000/XP/2003. After you install NPort COM Driver, you can set up the NPort
W2250/W2150’s serial ports as remote COM ports for your PC host.
Use the following steps to map the COM ports:
1.
Click on Start Æ Programs Æ NPort Windows Driver Manager Æ NPort COM
Mapping Utility to start the COM mapping utility.
2.
Click on the Add icon.
3.
Click on Rescan to search for NPort device servers, select the server you would like to map
COM ports to, and then click on OK.
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4.
Alternatively, you can select Input Manually and then input the NPort IP Address, 1st Data
Port, 1st Command Port, and Total Ports for the NPort W2250/2150 that you would like to
map COM ports to. Click on OK to proceed to the next step.
5.
Click on Yes to activate the COM ports at this time, or click on No to activate the COM ports
later. Activating the COM ports saves the information in the host system registry. The host
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computer will not have the ability to use the COM port until you click on the Apply icon.
6.
The display text corresponding to NPorts whose ports are activated will change from blue to
black.
7.
To re-configure the settings for a particular NPort, click on the row corresponding to that
NPort to highlight it, and then click on the Setting icon.
8.
In the Basic Setting panel, use the COM Number drop-down list to select a COM number
for the NPort’s first serial port. Since NPort W2250 has two ports, you can check mark the
Auto Enumerating COM Number for Selected Ports checkbox to automatically assign the
next available COM number to the second serial port. Note that ports that are “in use” will be
labeled accordingly.
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Click on the Advanced Setting tab to modify Tx Mode, FIFO, and Flash Flush.
Tx Mode
Hi-performance mode is the default for Tx mode. When the driver finishes sending data to
the NPort W2250/W2150, the driver will issue a “Tx Empty” response to the program.
Under classical mode, the driver will not notify the user’s program that Tx transmission is
finished until all Tx data has been sent out from the NPort W2250/W2150. This ODE will
cause lower throughput. Classical mode is recommended if you want to ensure that all data is
sent out before further processing.
FIFO
If the FIFO is Disabled, NPort W2250/2150 will transmit one byte each time the Tx FIFO
becomes empty, and an Rx interrupt will be generated for each incoming byte. This will
result in a faster response and lower throughput. If you want to use XON/XOFF flow control,
we recommend setting the FIFO to Disable.
Fast Flush (only flushes the local buffer)
a. We have added one optional Fast Flush function to Moxa’s new NPort Real COM
driver.
b.
For some applications, the user’s program will use the Win32 “PurgeComm()” function
before it reads or writes data. With our design, after the program uses this Purge Comm()
function, the NPort driver will keep querying NPort’s firmware several times to make
sure no data is queued in the NPort firmware buffer, rather than just flushing the local
buffer. This kind of design is used to satisfy some special considerations. However, it
might take more time (about several hundred milliseconds) than a native COM1,
because it needs to work via Ethernet. That’s why the native COM ports on the
motherboard can work fast with this function call, but NPort requires much more time.
In order to accommodate other applications that require a faster response time, the new
NPort driver implements a new “Fast Flush” option. Note that by default, this function
is disabled.
c.
To begin with, make sure there are some “PurgeComm()” functions being used in your
application program. In this kind of situation, you might find that your NPort exhibits a
6-11
NPort W2250/2150 Plus User’s Manual
Installing and Configuring the Software
much poorer operation performance than when using the native COM1 port. Once you
have enabled the “Fast Flush” function, you can check to see if there has been an
improvement in performance.
d.
9.
By default, the optional “Fast Flush” function is Enable. If you would like to enable
this function, double click on the COM ports that are mapped to the NPort, and then
select the “Fast Flush” checkbox. You should find that when “Fast Flush” is enabled, the
NPort driver will work faster with “PurgeComm().”
The program can redefine the serial parameters to different values after the program opens
the port via Win 32 API.
10. To save the configuration to a text file, select Export COM Mapping. You will then be able to
import this configuration file to another host and use the same COM Mapping settings in the
other host.
6-12
NPort W2250/2150 Plus User’s Manual
Installing and Configuring the Software
Configuring NPort Search Utility
The Broadcast Search function is used to locate all NPort W2250/2150s that are connected to the
same LAN as your computer. After locating an NPort W2250/2150, you will be able to change the
IP address.
Since the Broadcast Search function searches by MAC address and not IP address, all NPort
W2250/W2150s connected to the LAN will be located, regardless of whether or not they are part
of the same subnet as the host.
1.
Open the NPort Search Utility and then click on the Search icon.
2.
The Searching window indicates the progress of the search.
3.
When the search is complete, the NPort W2250/2150 units that were located will be
displayed in the NPort Search Utility window.
6-13
NPort W2250/2150 Plus User’s Manual
Installing and Configuring the Software
4.
Click on the Assign IP icon to change the IP address of the active link (either the Ethernet
LAN IP or the WLAN IP will be changed, depending on which one is currently active).
5.
Type in the new IP address.
Linux Real TTY and UNIX Fixed TTY Installation
Installing the Linux Real TTY driver
Procedure
To map an NPort serial port to the host’s tty port, you need to:
1.
Set up NPort
Make sure the IP configuration is ok and you can access the NPort (ping, telnet...)
successfully, and then configure the NPort serial port to Real COM Mode.
2.
Install driver files on the host
Refer to “Installing the Driver File” below for details.
3.
Map the NPort serial port to the host’s tty port
Refer to “Mapping TTY Ports” below for details.
6-14
NPort W2250/2150 Plus User’s Manual
Installing and Configuring the Software
Hardware Installation
Before proceeding with the software installation, make sure you have completed the hardware
installation, as described in an earlier chapter of this manual.
The default IP address of the Ethernet interface is 192.168.126.254 and the default IP address of
the WLAN interface is 192.168.127.254..
NOTE
After installing the hardware, you MUST configure the NPort operating mode to Real COM
Mode.
Installing the Driver File
NOTE
a.
Copy the driver file from the product’s CD-ROM or Moxa website.
b.
Log in to the console as a super user (root).
c.
Execute cd / to change to the root directory.
d.
Copy the driver file npreal2xx.tgz to the “ / ” directory.
e.
Execute tar xvfz npreal2xx.tgz to copy all files into the system.
f.
Execute /tmp/moxa/mxinst.
For RedHat AS/ES/WS and Fedora Core1, extra argument is needed: # /tmp/moxa/mxinst SP1
g.
The shell script will install the driver files automatically.
After installing the driver, you will be able to see several files in the /usr/lib/npreal2/driver folder,
including:
> mxaddsvr
> mxdelsvr
> mxloadsvr
> mxmknod
> mxrmnod
> mxuninst
(Add Server, map tty port)
(Delete Server, un-map tty port)
(Reload Server)
(Create device node/tty port)
(Remove device node/tty port)
(Remove tty port and driver files)
At this point, you will be ready to map the NPort serial port to the system tty port. See “Mapping
TTY Ports” below for detailed instructions.
Mapping TTY Ports
Before mapping tty ports, you must set the operation mode of your NPort to Real Com Mode. We
provide two ways to map tty ports.
a. Mapping tty ports automatically
After logging in as a super user, enter the directory /usr/lib/npreal2/driver and then execute
mxaddsvr to map the target NPort serial port to the host tty ports. The syntax of mxaddsvr is:
mxaddsvr [NPort IP Address] [Total Ports] ([Data port] [Cmd port])
Example 1:
# cd /usr/lib/npreal2/driver
# ./mxaddsvr 192.168.3.4 16
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NPort W2250/2150 Plus User’s Manual
Installing and Configuring the Software
Example2:
# cd /usr/lib/npreal2/driver
# ./mxaddsvr 192.168.3.4 16 4001 966
In Example 1, 16 tty ports will be added, all with IP 192.168.3.4, but with data ports equal to (950,
951, …, 965), and command ports equal to (966, 967, 968, …, 981).
In Example 2, 16 tty ports will be added, all with IP 192.168.3.4, but with data ports equal to
(4001, 4002, …, 4016), and command ports equal to (966, 967, 968, …, 981).
b. Mapping tty ports manually
After entering the directory /usr/lib/npreal2/driver, you can modify npreal2d.cf to map NPort
serial ports to tty ports, and then execute mxloadsvr to activate the modifications.
The following tasks will be performed:
> Modify npreal2d.cf
> Create tty ports in the directory /dev with major & minor number configured in npreal2d.cf.
> Stop and then restart the driver.
Removing Mapped TTY ports
As with the “Mapping TTY Ports” task, we provide two ways to remove mapped tty ports:
a. Removing the mapped tty ports automatically
After logging in as root, enter the directory /usr/lib/npreal2/driver and then execute mxdelsvr to
delete a server. The syntax of mxdelsvr is:
mxdelsvr [IP]
Example:
# cd /usr/lib/npreal2/driver
# ./mxdelsvr 192.168.3.4
If you don’t include the IP address in the command line, a numbered list of IP addresses for servers
currently installed, along with the total number of ports for each server, will be listed on the screen.
To remove the tty ports for a particular server, type the number next to the server’s IP address and
then hit Enter. The following tasks will be performed:
> Modify the npreal2d.cf
> Remove the relevant tty ports in directory /dev
> Stop and then restart the driver.
b. Removing the mapped tty ports manually
After entering the directory /usr/lib/npreal2/driver, you can modify npreal2d.cf to delete servers
and ports manually, and then execute mxloadsvr to activate the modifications.
TTY Naming Rule
The tty name of the real tty driver is configured in npreal2d.cf. The pre-defined tty name is
ttyrXX, and the callout name is curXX. The naming convention is illustrated as follows:
NPort Server
1st (4port)
2nd (8port)
3rd (16port)
4th (8port)
TTY Name
ttyr00 –
ttyr04 –
ttyr0c –
ttyr1c –
ttyr03
ttyr0b
ttyr1b
ttyr23
6-16
Callout
cur00 –
cur04 –
cur0c –
cur1c –
Name
cur03
cur0b
cur1b
cur23
NPort W2250/2150 Plus User’s Manual
NOTE
Installing and Configuring the Software
Callout Device is obsolete in Linux 2.6. That is, you cannot open Callout Device in Linux 2.6.
Removing the Driver
Removing the driver will remove all driver files, mapped tty ports, and unload the driver. To do
this, enter the directory /usr/lib/npreal2/driver, and then execute mxuninst to uninstall the driver.
This program will perform the following tasks:
> Unload the driver.
> Delete all files and directories in “/usr/lib/npreal2”
> Delete directory “/usr/lib/npreal2”
> Modify the system initialization script file.
Installing the UNIX Fixed TTY Driver
Installation and Configuration
Step 1: Log in to UNIX and create a directory for the MOXA TTY. E.g., to create a directory
named /usr/etc, execute the command:
# mkdir /usr/etc
Step 2: Copy moxattyd.tar to the /usr/etc directory by executing the commands:
# cp moxattyd.tar /usr/etc
# cd /usr/etc
Step 3: Extract the source code from the tar file by executing the command:
# tar xvf moxattyd.tar
The following files will be extracted:
README
moxattyd.c
moxattyd.cf
Makefile
VERSION.TXT
--- source code
--- an empty configuration file
--- makefile
--- fixed tty driver version
Step 4: Compile and Link
For SCO UNIX:
# make sco
For UnixWare 7:
# make svr5
For UnixWare 2.1.x, SVR4.2:
# make svr42
Step 5: Modify the configuration:
The configuration used by the moxattyd program is defined in the text file
moxattyd.cf, which is in the same directory that contains the program moxattyd.
You may use vi, or any text editor to modify the file. E.g.,
ttyp1 192.168.1.1 950
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NPort W2250/2150 Plus User’s Manual
Installing and Configuring the Software
For more configuration information, look at the file moxattyd.cf, which contains
detailed descriptions of the various configuration parameters.
NOTE
The “Device Name” depends on the OS. See the “Device Naming Rule” section for more
information.
Step 6: To start the moxattyd daemon after system bootup, add an entry into /etc/inittab,
with the tty name you configured in moxattyd.cf. E.g.,
ts:2:respawn:/usr/etc/moxattyd/moxattyd –t 1
This completes the installation and configuration of MOXA TTY.
Device Naming rule
For UnixWare 7, UnixWare 2.1.x, and SVR4.2, use:
pts/[n]
For all other UNIX operating systems, use:
ttyp[n]
Starting moxattyd
Execute the command init q or reboot your UNIX operating system.
Adding an additional server
Step 1: Modify the text file moxattyd.cf to add an additional server. User may use vi or any
text editor to modify the file. For more configuration information, look at the file
moxattyd.cf, which contains detailed descriptions of the various configuration
parameters.
Step 2
:Find the process id (PID) of the program moxattyd.
# ps -ef | grep moxattyd
Step 3: Update configuration of moxattyd program.
# kill -USR1 PID
(e.g., if “moxattyd” PID = 404, “kill -USR1 404”)
This completes the process of adding an additional server.
Upgrading the Firmware
1.
Start the NPort Search Utility, right click on a specific NPort W2250/2150, and then select
the Upgrade Firmware option to start upgrading the firmware.
6-18
NPort W2250/2150 Plus User’s Manual
Installing and Configuring the Software
2.
Select the correct ROM file to be downloaded to the NPort W2250/2150.
3.
Wait patiently while the Upgrade Firmware action is processed.
4.
Click on Close to finish upgrading the firmware.
ATTENTION
You can upgrade the firmware of multiple NPort W2250/2150s (that are of the same model)
simultaneously. To select multiple NPort W2250/2150s, hold down the Ctrl key when selecting
additional NPort W2250/2150s, or hold down the Shift key to select a block of NPort
W2250/2150s.
6-19
A
SNMP Agents with MIB II & RS-232
Like Groups
Appendix A
NPort has built-in SNMP (Simple Network Management Protocol) agent software that supports
SNMP Trap, RFC1317 RS-232 like groups and RFC 1213 MIB-II. The following table lists the
standard MIB-II groups, as well as the variable implementation for NPort .
RFC1213 MIB-II supported SNMP variables:
System MIB
Interfaces MIB
IP MIB
ICMP MIB
SysDescr
itNumber
ipForwarding
IcmpInMsgs
SysObjectID
ifIndex
ipDefaultTTL
IcmpInErrors
SysUpTime
ifDescr
ipInreceives
IcmpInDestUnreachs
SysContact
ifType
ipInHdrErrors
IcmpInTimeExcds
SysName
ifMtu
ipInAddrErrors
IcmpInParmProbs
SysLocation
ifSpeed
ipForwDatagrams
IcmpInSrcQuenchs
SysServices
ifPhysAddress
ipInUnknownProtos
IcmpInRedirects
ifAdminStatus
ipInDiscards
IcmpInEchos
ifOperStatus
ipInDelivers
IcmpInEchoReps
ifLastChange
ipOutRequests
IcmpInTimestamps
ifInOctets
ipOutDiscards
IcmpTimestampReps
ifInUcastPkts
ipOutNoRoutes
IcmpInAddrMasks
ifInNUcastPkts
ipReasmTimeout
IcmpOutMsgs
ifInDiscards
ipReasmReqds
IcmpOutErrors
ifInErrors
ipReasmOKs
IcmpOutDestUnreachs
NPort W2250/2150 Plus User’s Manual
System MIB
SysServices
SNMP Agents with MIB II & RS-232 Like Groups
Interfaces MIB
IP MIB
ICMP MIB
ifInUnknownProtos ipReasmFails
IcmpOutTimeExcds
ifOutOctets
ipFragOKs
IcmpOutParmProbs
ifOutUcastPkts
ipFragFails
IcmpOutSrcQuenchs
ifOutNUcastPkts
ipFragCreates
IcmpOutRedirects
ifOutDiscards
ipAdEntAddr
IcmpOutEchos
ifOutErrors
ipAdEntIfIndex
IcmpOutEchoReps
ifOutQLen
ipAdEntNetMask
IcmpOutTimestamps
ifSpecific
ipAdEntBcastAddr
IcmpOutTimestampReps
ipAdEntReasmMaxSize
IcmpOutAddrMasks
IpNetToMediaIfIndex
IcmpOutAddrMaskReps
IpNetToMediaPhysAddress
IpNetToMediaNetAddress
IpNetToMediaType
IpRoutingDiscards
UDP MIB
TCP MIB
SNMP MIB
UdpInDatagrams
tcpRtoAlgorithm
snmpInPkts
UdpNoPorts
tcpRtoMin
snmpOutPkts
UdpInErrors
tcpRtoMax
snmpInBadVersions
UdpOutDatagrams
tcpMaxConn
snmpInBadCommunityNames
UdpLocalAddress
tcpActiveOpens
snmpInASNParseErrs
UdpLocalPort
tcpPassiveOpens
snmpInTooBigs
tcpAttempFails
snmpInNoSuchNames
Address Translation MIB
tcpEstabResets
snmpInBadValues
AtIfIndex
tcpCurrEstab
snmpInReadOnlys
AtPhysAddress
tcpInSegs
snmpInGenErrs
AtNetAddress
tcpOutSegs
snmpInTotalReqVars
A-2
NPort W2250/2150 Plus User’s Manual
SNMP Agents with MIB II & RS-232 Like Groups
Address Translation MIB
AtNetAddress
TCP MIB
SNMP MIB
tcpRetransSegs
snmpInTotalSetVars
tcpConnState
snmpInGetRequests
tcpConnLocalAddress
snmpInGetNexts
tcpConnLocalPort
snmpInSetRequests
tcpConnRemAddress
snmpInGetResponses
tcpConnRemPort
snmpInTraps
tcpInErrs
snmpOutTooBigs
tcpOutRsts
snmpOutNoSuchNames
snmpOutBadValues
snmpOutGenErrs
snmpOutGetRequests
snmpOutGetNexts
snmpOutSetRequests
snmpOutGetResponses
snmpOutTraps
snmpEnableAuthenTraps
RFC1317: RS-232 MIB objects
Generic RS-232-like Group
RS-232-like General Port
Table
RS-232-like Asynchronous
Port Group
rs232Number
rs232PortTable
rs232AsyncPortTable
rs232PortEntry
rs232AsyncPortEntry
rs232PortIndex
rs232AsyncPortIndex
rs232PortType
rs232AsyncPortBits
rs232PortInSigNumber
rs232AsyncPortStopBits
rs232PortOutSigNumber
rs232AsyncPortParity
rs232PortInSpeed
rs232PortOutSpeed
The Input Signal Table
The Output Signal Table
rs232InSigTable
rs232OutSigTable
rs232InSigEntry
rs232OutSigEntry
rs232InSigPortIndex
rs232OutSigPortIndex
rs232InSigName
rs232OutSigName
rs232InSigState
rs232OutSigState
A-3
B
Well Known Port Numbers
Appendix B
This appendix is for your reference. Listed below are Well Known Port Numbers that may cause
network problems if you configure NE-4000T for the same port. Refer to RFC 1700 for Well
Known Port Numbers or refer to the following introduction from IANA.
The port numbers are divided into three ranges: the Well Known Ports, the Registered Ports, and
the Dynamic and/or Private Ports.
The Well Known Ports range from 0 through 1023.
The Registered Ports range from 1024 through 49151.
The Dynamic and/or Private Ports range from 49152 through 65535.
The Well Known Ports are assigned by IANA, and on most systems, can only be used by system
processes or by programs executed by privileged users. The following table shows famous port
numbers among the well-known port numbers. For more details, please visit the IANA website at
http://www.iana.org/assignments/port-numbers
TCP Socket
Application Service
reserved
TCP Port Service Multiplexor
Management Utility
Echo
Discard
11
Active Users (systat)
13
Daytime
15
Netstat
20
FTP data port
21
FTP CONTROL port
23
Telnet
25
SMTP (Simple Mail Transfer Protocol)
37
Time (Time Server)
42
Host name server (names server)
43
Whois (nickname)
NPort W2250/2150 Plus User’s Manual
TCP Socket
Well Known Port Numbers
Application Service
49
(Login Host Protocol) (Login)
53
Domain Name Server (domain)
79
Finger protocol (Finger)
80
World Wibe Web HTTP
119
Netword news Transfer Protocol (NNTP)
123
Network Time Protocol
213
IPX
160 – 223
Reserved for future use
UDP Socket
Application Service
reserved
Management Utility
Echo
Discard
11
Active Users (systat)
13
Daytime
35
Any private printer server
39
Resource Location Protocol
42
Host name server (names server)
43
Whois (nickname)
49
(Login Host Protocol) (Login)
53
Domain Name Server (domain)
69
Trivial Transfer Protocol (TETP)
70
Gopler Protocol
79
Finger Protocol
80
World Wide Web HTTP
107
Remote Telnet Service
111
Sun Remote Procedure Call (Sunrpc)
119
Network news Tcanster Protocol (NNTP)
123
Network Time protocol (nnp)
161
SNMP (Simple Network Mail Protocol)
162
SNMP Traps
213
IPX (Used for IP Tunneling)
B-2
C
Federal Communication Commission
Interference Statement
Appendix C
This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection
against harmful interference in a residential installation. This equipment generates, uses and can
radiate radio frequency energy and, if not installed and used in accordance with the instructions,
may cause harmful interference to radio communications. However, there is no guarantee that
interference will not occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by turning the equipment off
and on, the user is encouraged to try to correct the interference by one or more of the following
measures:
-- Reorient or relocate the receiving antenna.
-- Increase the separation between the equipment and receiver.
-- Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
-- Consult the dealer or an experienced radio/TV technician for help.
CAUTION:
Any changes or modifications not expressly approved by the grantee of this device could void the
user's authority to operate the equipment.
FCC RF Radiation Exposure Statement
This equipment complies with FCC RF radiation exposure limits set forth for an uncontrolled
environment. This equipment should be installed and operated with a minimum distance of 20cm
between the radiator and your body.
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two
conditions:
(1) This device may not cause harmful interference and
(2) This device must accept any interference received, including
interference that may cause undesired operation.
D
FCC Warning Statement
Appendix D
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two
conditions:
1.
2.
this device may not cause harmful interference, and
this device must accept any interference received, including interference that may cause
undesired operation.
This equipment has been tested and found to comply with the limits for a class B digital device,
pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection
against harmful interference in a residential installation.
This equipment generates, uses, and can radiate radio frequency energy, and if not installed and
used in accordance with the instructions, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particular installation. If this
equipment does cause harmful interference to radio or television reception, which can be
determined by turning the equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
y Reorient or relocate the receiving antenna.
y Increase the separation between the equipment and receiver.
y Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
y Consult the dealer or an experienced radio/TV technician for help.
CAUTION:
Any changes or modifications not expressly approved by the party responsible for compliance
could void the user’s authority to operate the equipment.
Prohibition of co-location
This device and its antenna(s) must not be co-located or operating in conjunction with any other
antenna or transmitter.
Safety Information
To maintain compliance with FCC’s RF exposure guidelines, when installing and/or operating this
equipment, you should maintain a minimum distance of 20 cm between the transmitter and your
body. Use only the supplied antenna. Unauthorized antennae, modifications, or attachments could
damage the transmitter and may violate FCC regulations.
E
Service Information
Appendix E
This appendix shows you how to contact Moxa for information about this and other products, and
how to report problems.
In this appendix, we cover the following topics.
 MOXA Internet Services
 Problem Report Form
 Product Return Procedure
NPort W2250/2150 Plus User’s Manual
Service Information
MOXA Internet Services
Customer satisfaction is our number one concern, and to ensure that customers receive the full
benefit of our products, Moxa Internet Services has been set up to provide technical support, driver
updates, product information, and user’s manual updates.
The following services are provided
E-mail for technical support................................support@moxa.com
Moxa Group website for product information, driver downloads, documentation, and more:
.............................http://www.moxa.com
E-2
NPort W2250/2150 Plus User’s Manual
Service Information
Problem Report Form
MOXA NPort W2250/2150 Plus
Customer name:
Company:
Tel:
Fax:
Email:
Date:
1.
Moxa Product:
 NPort W2250 Plus
2.
Serial Number:
_________________
 NPort W2150 Plus
Problem Description: Please describe the symptoms of the problem as clearly as possible, including any error
messages you see. A clearly written description of the problem will allow us to reproduce the symptoms, and
expedite the repair of your product.
E-3
NPort W2250/2150 Plus User’s Manual
Service Information
Product Return Procedure
For product repair, exchange, or refund, the customer must:

Provide evidence of original purchase.

Obtain a Product Return Agreement (PRA) from the sales representative or dealer.

Fill out the Problem Report Form (PRF). Include as much detail as possible for a shorter
product repair time.

Carefully pack the product in an anti-static package, and send it, pre-paid, to the dealer. The
PRA should be visible on the outside of the package, and include a description of the problem,
along with the return address and telephone number of a technical contact.
E-4

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Manual

FCC ID Filing: SLEW2250PLUS

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