OTC Wireless WISERPLUS 802.11b Wireless Serial Port Adapter User Manual

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WiSER2400.PLUS
802.11b Wireless Serial Port Adapter
Technical Manual
www.otcwireless.com
9K
WiSER2400.PLUS
Wireless Serial Port Adapter
Technical Manual
Copyright
information in this document is subject to change without notice. Complying with
all applicable copyright laws is the responsibility of the user. No part of this
document may be reproduced or transmitted in any form or by any means.
electronic or mechanical, for any purpose, without the express written permission
of the seller. If, however, your only means of access is electronic, permission to
print one copy is hereby granted.
The seller provides this documentation without warranty, term, or condition of any
kind. The seller may make improvements or changes in the product(s) and/or the
program(s) described in this documentation at any time.
Other product and company names herein may be trademarks of their respective
owners.
Copyright 2001-2004 OTC Wireless. Inc. All rights reserved.
Revision 1.17
TABLE OF CONTENT
CHAPTER 1 - INTRODUCTION
SPECIFICATIONS"...
CHAPTER 2 - INSTALLATION OF WISER2400.PLUS ........................ 4
INSTALLATION OF WISERZ‘IOQPLUS HARDWAR
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RSZJZ Connection.
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INSTALLATION 0
Syxlem Requiremenlx.
Installalinn
CHAPTER 3 - DIAGNOSTIC AND CONFIGURATION UTILITY
OVERVIEW.
PASSWORD
LINK STATUS PANEL .
CONFIGURATION PANEL
A. SarifllParl
B. Serial-IF-Proxy
C. Wire/aw Part
D. Peer Host.
ENCRYF’TION PANE
Encryption sub-panel
WEP Key: Creau‘on Sub -p:mel.
RS232 AND WLAN STATISTICS PANEL.
ADMIN ...............
CHAPTER 4 — TROUBLE SHOOTING .
BLANK PAGES APPEAR WHEN 0 N THE UTILITY PROGRA
No RADIO LINK
No DATA TRANS
POOR LINK QUALITY.
RADIO INTERFERENCE
RECOVERING FROM THE DA1A ONLY MOD
TECHNICAL SUPPORT,................
APPENDIX A. WISER2400.PLUS CABLE CONFIGURATION
APPENDIX B: LIMITED WARRANTY...
APPENDIX C: REGULATORY COMPLIANCE
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Chapter 1 - INTRODUCTION
Note: The terms WiSER2400 and WiSER24oo.PLUS are used interchangeably
throughout this document
WiSER24DO.PLUS is an IEEE 802.11b compliant radio with an R5232 serial interface.
The WiSER2400PLUS radio takes serial data from the equipment or computing device
connected via its R8232 port, converts the serial data into 802.11-compliant data
packets‘, and transmits these packets with the RF modulation that is compliant with the
specifications of the 802.11b physical layer. On the receiving end, the radio demodulates
the RF signal. removes the Ethernet (802.11) headers, unpacks the packet and delivers
the data byte—by—byte to the destination equipment/device through the R8232 serial port.
Each WiSER2400.PLUS radio acts as 3 “Station” and operates in either infrastructure or
ad-hoc mode in accordance to the IEEE 802.11 standards, As such, this radios enables
R3232—interfaced devices to participate in a wireless Ethernet network. In this capacity,
the radio. in addition to eliminating the R8232 cables, functions as a media converter for
R8232—interfaced equipment and computing-devices.
WiSER2400.PLUS supports TCP/UDP/IP-based communication protocol, Each
WiSER2400.PLUS unit has an IP address for itself‘ The IP address is programmable by
the user using the provided utility software. WiSER2400,PLUS can therefore function as
an IP proxy for many "dumb” RS-232 devices that do not support IP-based
communication WiSER2400PLUS enables the dumb RS-232 device connected to it to
participate in an EtherneUlP network and link to, for example, an 802,11b wireless
access point
The radio is fully self-contained in performing the conversion between serial data and
wireless-Ethernet packets. That is. no device driver needs to be installed on the hosting
equipment or computing device the radio is connected to. True Plug 8. Play feature
therefore is achieved with any equipment or computing devices with an RSZBZ port. This
also means the radio can be used on equipment and (or computing-devices with any
Operating Systems. This is particularly useful for instruments/equipment where the use
of R5232 interface is utilized. Examples include cash registers, electronic whiteboards
and navigation instruments.
WiSER2400 has a compact form-factor that blends easily into an office/ classroom
environment. It also lends particularly well to portable applications. The specifications
are given on the next page.
User configurable parameters such as Start Frame Byte(s), End Frame Byte, etc. are
used to properly group the serial data string into the 802.11 packets. Please refer to
Chapter 3 for details.
The utility program can be used to monitor the communication condition and if is simple
to install and easy to use through its graphic user interface. However, the radio runs self»
sufficiently without the aid of any driver program in the host equipment or computer
connected to the radio. This utility program therefore is intended to be, in most cases,
just a tool for the network operators. The utility is also needed to configure the
WiSER2400.PLUS for both wireless and TCPIUDPIIP parameters.
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A TCP/UDPIIP over 802.11b wireless LAN for RS-232 devices using WiSER2400.PLUS
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WiSER2400.PLUS 802.11b Radio
D Plug & Plny operation—
0 No driver on the host device is required for radio operation
0 Radio operation is independent of the operating system on the host equipment or device
(Windows 98/N'r/2000MEDCP, Linux, Unix, embedded, etc), as long as an R5232 port is
properly supported
El Supports 64-bit and 128-bit WEP encryption for secured oommunieation
D Industry standard IEEE 802.1lb-compliant wireless interface
D 1 thps data rate and automatic selection of lower data rate (5.5, 2 and 1 Mbps) in degraded RF
environment
D Integrated omnidirectional-antenna to provide best tradeofi‘ between link-quality and mobility
D Micmsofi-Windows-hased configuration utility
D Protocols supported: TCP, UDP, ICMP, IGMP, ARP
ABE ca OHS
D Stnndnrd-compliant wireless networking for computers and equipment with an R8232 interface
CI Embedded devices, tools, instruments, equipment and appliances that can benefit from the re-
configurability ot'wirelcss link yet are unfriendly to the installation ofdevice-drivers
o POS equipment For stores when reconfiguration is frequent
o Control/monitor equipment where mobility is required
chifications
.. Model , WiSER2400PLUS
standard 50241 and 002.1 1b
Hpst'lnterface R8232
Frequency 246 Hz — 2.497GHz
RF Channels 11 channels (US. Canada), 13 channels (Europe), 14 channels
(Japan)
1GdBm at antenna input typical
-sodBm @1e-5 BER typical
,, 7 , Integrated dipole antenna with ~2dBi gain
Data Rate 11, 5.5, 2 or 1 Mbps fixed rate. or configured to automatic rate
selection
Modulation CCK, Direct Sequence Spread Spectrum
Link Distance ~1200 ft in open space
Network Types Support infrastructure and ad-hoc modes
Data Encryption Support the standard 64—bit and the 128-bit WEP
Network Security, ,, MAC-address—based access control
7 ‘_ Output: 5VDc, 1A
<480n1A (max. reached in transmit-mode)
4: Power, Transmission. Receiving. Link
40°C — 50'C
Temperature
Regulation FCC part 15,Class B
Compliance CE ( ETSI EN 300 328-1. ETSI EN 301 489-17)
IC
9“;
Chapter 2 - INSTALLATION OF WiSER2400.PLUS
Installation of WiSER2400.PLUS Hardware
Standard Hardware Items
1 WiSER2400.PLUS radio
1 RSZ32-P cable
1 R8232-C cable
1 ac-dc power adapter
1 pair of Velcro mounting pads
Power
This radio connected to your equipment draws power from the provided AC—DC power
adapter that plugs into a wall outlet.
R8232 Connection
The WiSER24OOPLUS radio is shipped with two R8232 cables:
1. The RS—232-P cable is intended for connecting the WiSER2400PLUS to the
R8232 DOE equipment (whiteboard. instrument, etc.) during communication. It
terminates in a male DB-9 connector and is labeled "Board" on the cable.
2. The RS-232-C cable is intended for connecting the WiSER2400PLUS to a
computer or DTE equipment during configuration using the utility software. it
terminates in a female DB—9 connector and is labeled "Computer' on the cable
Connect the modular plug (which resembles an over-sized telephone plug) of the R8232
cable to the modular jack (which resembles an over-sized telephone jack) on the
WiSER2400 radio. Connect the 03-9 (9-pin. can be female or male depending on the
equipment) connector of the R3232 cable to the RSZSZ port in the client equipment or
computer.
Status LEDs
Power on the WiSER2400 Radio, the LEDs on the front panel should exhibit the
fa lowing patterns:
LED Color Light Blinking Indication
Pattern
ON RED Steady on Proper power is supplied
RX GREEN Steady on Unit is linked to a wireless system
Steady blink Unit is not linked to any wireless
system
TX RED Flickering Unit is transmitting RF signal
LINK YELLOW Blinking Serial Mode
9K
The WiSER2400.PLUS radio is a client Station.
As a station, one of the most useful diagnostic
tools may be the green RX LED: a blinking green
RX LED indicates the absence of a useful
communication link while running under
infrastructure mode. However. when the
WiSER24OOPLUS running under Ad-Hoc mode.
the Rx LED will be solid on regardless the
wireless connection status.
Once the hardware is checked out to work
properly with the intended host device or
equipment, the radio can be secured in the desire
location by the pair of Velcro pads supplied
On the right is an installation example where the \
WiSER2400PLUS is connected to an R8232 RS»232 —P Radio Power
equipment (whiteboard) Cable
Installation of WiSER2400‘PLUS Utilig Software
System Requirements
For using the WiSER2400PLUS Wireless Ethernet Adapter's utility software, your
computer must meet the followlng minimum requirements:
./ Windows®93 (SE)! NT/ MEI 2000/ XP
./ One COM port (with a 08-9 male connector or an appropriate adapter to connect
to a DES-9 female connector)
/ (Optional) A TCP/IP Wireless/Ethemet network which connects the PC running
the Utility program AND the WiSER2400PLUS radio unit,
installation
To install the utility program. simply insert the provided utility CD-ROM to the CD-ROM
drive. Copy the “wauti_nnnn.exe" file to the desired location on your PC. (Where 'n’ is
a number)
Note that to use the WiSER2400PLUS in a TCPIIP network, the user must configure the
IP settings of WiSER2400PLUS radio so that it matches that of the intended network.
Note: For the utility program to configure or monitor the WiSER2400 radio through a
COM port, there must be no other serial (RSZBZ) program that also accesses or
controls the same COM port.
'7)_TC
Chapter 3 - Diagnostic and Configuration Utility
Overview
This chapter describes the tunctionalities and operations of WiSER2400.PLUS
Diagnostic and Configuration Utility program. The utility program can be used to
configure and monitor WiSER2400.PLUS radios. The WiSER2400PLUS utility program
is supported on Microsoft Windows® 98(SE), NT, Millennium, 2000. and XP.
The Utility program can monitor and
configure the WiSER2400.PLUS
through either Serial connection or
TCPilP Wireless! Ethernet network
connection. A connection selection
window will pop up as shown on the
right when the Utility program starts,
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Once the connection selection is
chosen, the Utility program will
display different interface according
to the selection. Figure 1 below is
WiSER2400PLUS Utility start-up windows of Ethemel mode (right) and serial mode
(left).
Warning: The Utility program in serial mode will not work simultaneously with another
R8232 application program if they are both set to use the same COM port,
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Figure 1. Start-Up Window of WiSER2400.PLUS Utility Program
To connect to the WiSER2400.PLUS when the Utility program is running the Ethernet
mode, users first have to make sure that the WiSER2400.PLUS unit has an active
etc 6
connection with a TCP/IP Wireless/Ethemet network. The PC which runs the Utility
program must also be part of the same Wireless/Ethemet network. The Utility program,
when first started, will automatically scan for all available WiSER2400.PLUS units on the
network. The user can also force a scan by clicking the “Get MAC/IP" button. The scan
result will be displayed in the pulHtown menu at the top of the Utility program. To
configure a WiSER24OO radio, the users simply select the MAC/IP of that particular unit
from the scan list pull-down menu.
To connect to the WiSER24OOPLUS when the Utility program is running in Serial mode.
users first have to use the pull-down menu to select the COM port and its baud rate, byte
size, and parity to match those of WiSER2400 unit. Then click on the "Connect" button to
establish communication link between the utility and the WiSER2400 unit. To disconnect
from the WiSER2400 unit, simply click on the “Disconnect" button which was previously
the "Connect" button. The “Detect..." button at the bottom of the utility can be used to
detect the R5232 parameters settings of the WiSER2400 unit at a given COM port and
automatically connect to the WiSER2400 unit it it finds the correct parameters settings of
WiSER2400 unit.
NOTE: Currently, the WiSER2400 does not support 2-stop bit setting.
Password Protection
When the user tries to change/modify the
configuration of the WiSER2400 unit. he
will be asked to provide a password it M.fi~.wm
before these commands can be executed.
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After typing in the password(s). and “fipwa
clicking "OK" button, the user specifies "W“W‘ .
that the command will be executed with WWWPW‘ ‘
the provided password.
it
If user clicks the "Cancel“ button, he
specifies that he does not want the command to be executed.
NOTE: The default password of WiSER2400.PLUS is none,
There are five tabs at the top leading to five panels where the user can configure
settings of the WiSER24OO unit. Descriptions of these panels are given in the following
sections.
Link Status Panel
The Link Status Panel becomes active by clicking on the Link Status tab (see figure 2)
In general, the Link Status panel displays wireless link information such as SSlD, the
firmware version and release date, role of the radio, RF channel, port status, link quality,
and signal strength.
To retrieve/update the Link Status panel, the user must click on the Refresh button.
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Figure 3. Configuration Panel
This panel, activated by clicking on the Configuration tab shown in Figure 3, includes
three sub-sections under "TCPIUDP" section: Wireless settings. R5232 settings, and IP
settings. "Point to Point" section is not available for this version of WiSER2400PLUS.
To retrIeve the settings, click on the Eefresh
button at the bottom of the utility. The
“Apply" button sends the "Config" command to the radio unit and configure the
WiSER2400 radio according to the values on the panel.
The followings are the detailed descriptions of each sub-panel under the TCPIUDP
mode:
A. Serial Port
Serial Parameter
Baud rate: user—configurable. This is the baud rate the radio unit will use to transmit
and receive R8232 data. Supported values: 1200, 2400, 4800, 9600, 14400, 19200,
38400, 57600, and 115200 bps. Default value: 9600 bps.
Parity Bit: Error checking bit. Supports “None", ‘Even", and “Odd"
Data Bit: number of bits in the data section.
Stop Bit: supports only 1 stop bit.
Flow Control: local new control option
Supports 7 and 8 data bit.
for the serial (R8232) connections. It
supports XONIXOFF and Hardware flow control.
Serial Interface
QTC
The WiSERZdOO—IP supports only RS232 serial mode.
Data Packetizing
Start Frame Byte(s): This value specifies a special character that signals the start of
a command (or data). Range from 0x00 to 0x1F and options of “None" and "other".
If “none" is selected, there would be no Start Frame Byte. If "Other' is selected, the
user can click on “Other’ and open a window where the users can configure Start
Frame Byte up to 6 bytes of their choice. Default value: none.
End Frame Byte: This value specifies a special character that signals the end of a
command (or data), and the command (or data) would be sent to the destination unit
right after the radio receives this special character. Range 0x00 to 0x1F. Default
value: OxOD = Carriage Retum. Note that user can choose ‘None' value which
means he would not use any special character in any case.
Max Bytes/Pkt: This value specifies the maximum number of bytes a TCP/UDP
packet can contain. Range: 1 to 200. Default value: 200.
Serial Mode
Data Only Mode: When this mode is activated, the WiSER2400—IP radio would
ignore the configuration command from the serial connection. This mode is useful
when the serial traffic contains data pattern similar to the configuration command and
causing the communication disruption. This mode would however stop the
communication between the configuration utility and the WiSER2400 radio. To re-
gain the access to the WiSER2400 radio, go to the Troubleshooting Section for
recovering instructions.
Data and Command Mode: When this mode is active, the WiSER2400 radio would
take the configuration command from the serial port,
B. Serial-lP-Proxy
MAC Address: the MAC address of WiSER2400.PLUS radio. This field is not
modifiable.
DHCP Enable: Allows the WiSER2400.PLUS radio to obtain IP address from the
DHCP server.
IP Address: The configurable IP address of the WiSER2400.PLUS radio.
Listen Port: The port number that this radio uses to communicate. This port number
is the source Port in TCPIUDP packets sent from this WiSER2400 radio. Default
value: 8002
Subnet Mask: Used to configure subnet mask settings
Gateway: Used to specify the IP address of the Gateway
Protocol
TCP (Client): enables the WiSER2400.PLUS to run as a TCP Client.
TCP (Server): enables the WiSER2400.PLUS to run as a TCP server.
mc,
UPD: enables the WiSER2400PLUS to run UDP protocol.
Receive Broadcast Packet: Optional operation mode which enable
WiSER2400 radio to receive UDP broadcast packet.
Send Serial Data Broadcast: Optional operation mode which allows the data
from the serial interface being transmitted as UDP broadcast.
Note: each protocol is mnning exclusively. For example, while running UDP mode,
the WiSER2400 radio will not accept connections for either TCP Server or Client.
C. Wireless Port
Wireless Settings
5810: The SSID that this WiSER2400 radio wants to be associated with and, in most
cases, it would be the SSID of an Access Point. 32 characters maximum. An empty
entry is acceptable but note that the radio would interpret it as ‘ANY' which means
the radio would try to join an open wireless network regardless of its SSID.
Network Type: This is the 802.11b mode the radio unit is running on. It can be
either "Ad hoc" or "Infrastructure". For the WiSER2400.PLUS to connect with a
normal AP, "Infrastructure" must be selected mode Please refer to IEEE 801.11
documentation for more information of the Network Type. Default value:
Infrastructure.
Channel: this field appears only when the “Ad-Hoe" mode is selected in the Network
Type. Users can change RF channel used by the WiSER2400 radio here. Supported
values: 1 — 11 channels.
Advancgd ereless Settings
Transfer Rate: The RF environment sometimes can be hostile to the highest data
rate available in WiSER2400 Radio. That gives rise to the need for trading off
between data rate and link robustness. The six choices in the pull-down list allow the
network manager to select that Optimum trade off.
Fragmentation Threshold: In the presence of hostile RF environment, such as
interference, frames longer than this threshold numbers in bytes are divided prior to
transmission into one or more fragments equal in length to the fragmentation
threshold. The default value is set at 2436 bytes, the maximum 802.11 data frame
size, such that no frames are ever fragmented.
RTS Threshold: To minimize the potential packet collision associated with hidden
nodes in a wireless network, 80211 standard has the option to complete a “Request
to Send(RTS)" and "Clear to Send(CTS)" two-frame exchange prior to sending the
real data. This reduces the throughput of the real data. Since the probability of
packet collision increases with the size of the packets transmitted, an optimum trade—
off between data-throughput and data-integrity may be reached by turning on the
two-frame exchange only for data packets exceeding a certain size. The number
entered in this field is that threshold packet size in Bytes. For example, if “500" is
entered, data packets with sizes less than 500 bytes are transmitted without being
preceded by the RTS-CTS exchange and thereby taking a small risk of getting
corrupted by packet collisions. If "2346' (the maximum 802.11 data frame size) or a
larger number is entered, then every data packet is transmitted without being
preceded by the RTS-CTS exchange and thereby maximizing the data throughput.
QTC 1°
D. Peer Host
Destination Unit
MAC Address: The MAC address of the destination device. The radio unit learns
the MAC address of the destination unit from ARP response packets sent from the
device with associated IP address.
IP Address: The configurable lP address of the device which this WiSER2400 radio
is set to communicate with. For TCP sewer and UDP modes. the IP Address can be
left as 0.0.0.0. However. for TCP client mode, there must be a valid IP address filled
here.
Listen Port: The port number the destination device listens on to get the TCP/UDP
packet. This port number should be the destination Port on TCP/UDP packets
destined to this radio.
Encgption Panel
This panel shown in the Figure 4 enables users to configure security options for the
WiSER24OO radios. The WiSER2400 supports Wired Equivalent Privacy (WEP)
encryption on both 64bits and 128bils.The Security panel contains two sub-panels,
Encryption and WEP Keys Creation sub—panel.
Encryption sub-panel
This sub-panel allows user to adjust the security level as needed. There are three
radio buttons to select the encryption levels. and only one radio button can be
selected at a time. The function of each radio button is described below:
Encryption 75000950" . . ,
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Key 2 Key 2
Key 3 Key 3:
Key 4: '
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Transmissinn Key. Keyi "v vaviscifln Key: Keyl ' i
WEP Key Faclur. Every mu heme: ‘9 . WEPKw Facial: Every "1D names ' '
Figure 4 Encryption Panel Figure 5 Create WEP Keys with Passphrase
a. Disable: it checked, the WEP is turned off and WEP Keys Creation sub—panel
becomes inactive.
b. 84-bits: it checked, the WEP is turned on using 64»bit encryption with Shared
key and WEP Keys Creation sub-panel becomes active.
c. 128-bits: it checked, the WEP is turned on using 128-bit encryption with
Shared key and WEP Keys Creation sub-panel becomes active.
Before applying 64-bit or 12&bit WEP encryption to the radios, the user must
complete the key settings in WEP Keys Creation sub-panel first.
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WEP Keys Creation Sub-panel
This sub»panel allows user to generate useis' own WEP encryption keys and can be
made active only when either 64 bits or 128 bits radio button in the Encryption sub-
panel is selected.
There are two methods to generate WEP encryption keys. One is to use the auto key
generation through the Passphrase field, and the other method is to manually input a
set of keys in the Manual Entry fields.
To auto-generate the WEP encryption keys, select the radio button next to the
Passphrase label and then the users can enter up to any 64 characters in the
Passphrase field. Click the @ button to apply the encryption key setting. Notice
that when this method is selected the Manual Entry fields are “grayed out" to disallow
manual entries of WEP keys.
To manually input the keys, select the radio button next to the Manual Entry and then
enter hexadecimal numbers to the fields next to Key 1 to Key 4. Click the M
button to apply the encryption key setting. Notice that when this method is selected
the Passphrase field is "grayed out“ to disallow any input to the passphrase field.
The Manual Entry Key 1/2/3/4 fields accept hexadecimal inputs as the encryption
keys. If 64 bits encryption is enabled, each key field allows the user to enter up to 10
hexadecimal characters. It 128 bits encryption is enabled, each of the key field
allows up to 26 hexadecimal characters.
The remaining fields in the Security Panel are described below.
a. Deny Unencrypted Data Frames: if checked, the firmware will block
unencrypted data frames from being received.
b. Transmission key. This allows user to choose from key 1 to key 4 for
transmission. The default key is set to Key 1.
c. WEP key factor: this list box allows user to choose how many frames the
Initialize Vector (IV) is reused. It contains four options: every frame, every 10
frames, every 50 frames. and every 100 frames. The default key factor is
Every 100 frames.
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Figure 6 Create WEP Keys with Manual Entries
Figure 7 Statistics Panel
When the AM button is pressed. the program validates all entered data and
prompts the user to re- -enter the data if any of the input data is invalid
It all data is
valid, the entered data will be applied to the radio unit When the {c—‘ancel button is
clicked all entered data under Security Panel is discarded
Rszgz and WLAN Sta cs Panel
The transmission statistics of the R8232 (COM port) and Wire__le_ss l_.ocal Area Network
(WLAN)‘ is shown in this panel To retrieve the statistics clickR 58 button located at
the bottom of the main window of the utility program. The following explains the statistics
shown in the panel:
1. RSZSZ Statistics:
a.
b.
COM Sent: This number is the total bytes that the Unit sends through the
connected COM port.
COM Received: This number is the total bytes that the Unit received
through the connected COM port. This value is the sum of the following
values:
i. Without error: Total bytes received without error.
ii. Break Detect error: Total bytes received as break detect error.
iii. Frames error: Total bytes received with frame error.
iv. Overrun error: Total bytes received with overrun error.
Frames Discard: This number is the total number of lrames that were
discarded while the firmware tried to en-queue them to WLAN queue
(send to MAC). Lacking of memory is the main reason for a frame to be
discarded.
2. WLAN Statistics:
a.
Transmitted Frames: This number is the total UniCastFrames and
MultiCastFrames that the MAC successfully transmitted
OTC 13
Admin
The pa
b. Transmitted Retried Frames: This number is the total SingIeRetryFrames
and MultiRetryFrames that the MAC transmitted.
c. Transmitted Octets: This number is the total bytes that the MAC
successfully transmitted (UnicastOctets and MulticastOctets)
d. Received Frames: This number is the total UniCastFrames and
MultiCastFrames that the MAC successfully received.
e. Received Error Frames: This number is the total frames that the MAC
received with the following errors: DiscardNoBuffer, DiscardsWrongSA,
DiscardWepUndecryptable, and FrameCheck-Sequence Errors.
f. Received Octets: This number is the total bytes that the MAC
successfully received (UnicastOctets and MulticastOctets)
nel contains buttons that are for Administrative setting and it also reveals the
information regarding the utility including its version and release date.
mWiSEHZWD - Dingnnxlic and Configuiatinn
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Figure 8 Admin Panel
There are three buttons of interest.
Change Password: This button allows the user to change the current password
of the WiSER2400 unit to a new one.
Set Factom Default: This button forces all settings in the WiSER2400 back to the
factory defaults.
Reset Unit: This button forces the WiSER2400 to perform software reboot.
QTQ
14
Chapter 4 — Trouble Shooting
Blank Pages Appear When Open the U y Program
it is possibly due to the unavailability of the COM port. Please pay attention to the
Connection and Status field at the bottom of the program's main window, Press the
ngiM button again to see if the status indicates “Connected." if not, check to see if
you have another running program that accesses the same COM port.
No Radio Link
If the Link Quality indicator in the Radio Status panel shows 0%. check the following for
possible causes:
. Make sure that the Signal Strength indicator under Radio Status panel is not
zero. A minimum of 20% is recommended If the “Signal Strength" is less than
20%. the distance between the WiSER2400 and the targeted AP may be too far.
Decrease the distance between the radio pair to see if the radio link can be
improved.
- Make sure that the encryption keys are entered correctly if WEP encryption is
enabled.
- Make sure that there is no RF interference present in the radio network.
No Data Transfer While the Radio Link is Good
If the Link Quality indicator shows good link quality, but the host computer/equipment
cannot properly exchange data:
0 Make sure the R3232 cables are properly connected to the radio and
computer/equipment.
- Make sure that the R8232 cables in use are not defective,
0 Make sure that the COM port on the computer/equipment is available, not used
by another active program/process.
o Retrieve the “Configuration" information of the WiSER2400 by click on "Refresh"
button. Make sure the “P setting” on the “Configuration" tab is correct: IP
addresses, port numbers. etc. The very clear indicator that shows there is a
connection between the WiSER2400 radio and the intended destination device is
the “Dest unit's MAC address" field. Afler clicking "Refresh" button a few times
while the “Configuration" tab is active, this field should show the MAC address of
the destination unit. Otherwise, the user must check for the correctness of IP
address settings.
Poor Link Quality
If the Signal Strength indicator is reasonably high (>20%) and the Link Quality is not
zero, but the "Link Quality" stays in the Poor range, it could be due to one of the
following reasons:
- Make sure that radio interference is not present in the radio network.
- Make sure that the radio is not surrounded by many strongly reflecting (metallic)
surfaces. With multiple reflecting surfaces between the radio in question and the
target radio, a severe multi-path problem may introduce high bit error rate
despite a strong Signal Strength.
. Make sure that there is no severe packet collision caused by a “hidden node"
problem. A “hidden node" problem is the situation where the RF signal from two
or more Station radios cannot reach each other (but can reach the AP). In such
situation, multiple Stations may attempt to transmit data packet to the AP at the
m: ‘5
same time and therefore wuse packet collision. To solve this problem, re-
arrange the Stations in question such that the RF signals are mutually sensible
by all Stations. There is no guarantee that the packet collision can be entirely
eliminated, but the severity can be reduced enough to see visible improvement of
the link quality.
Radio interference
You may be able to minimize RF interference by doing the following:
Although WiSER2400, when properly configured, seeks a clear channel to use, it
cannot avoid interference if too many 2.4GHz interference sources are present. A
“clear" channel should be at least 20MHz, but preferably 30MHz, apart from any
other channel in use. Find out other usages in this frequency band in the vicinity
and try to coordinate the channel assignment with other users.
Reseat the WiSER2400 radio to a location where the interference is minimized;
in general, increasing the distance between the radio pair may cause radio
interference.
Avoid using 2.4GH2 cordless phone in the vicinity of the radios
Keep the computer with the WiSER2400 radio away from the microwave oven
and large metal objects.
Consult the dealer or an experienced radio technician for help and assistance.
Recoverin from the Data Onl Mo e
There are two approaches for recovering the WiSER24OO radio from the Data Only
Mode.
First is to use the Configuration Utility under Ethernet connection since the
WiSER2400 radio will still take configuration command from the wireless port even when
it is running Data Only Mode. Use the altemalive approach if the WiSER2400 can only
be linked through serial connection. The instruction for the alternative approach is given
below.
i.
ii.
iii.
iv.
v.
vi.
Have the WiSER2400 radio connected to the COM port of the PC
Start the Configuration utility running the serial connection mode
Power up or power cycle the WiSER2400 radio unit
There is a 10 second time frame after the radio powered up for the next step
Use the Connect button in the configuration utility to establish the serial link
with the WiSER24OO radio
Once the link between the configuration utility and the WiSER24OO radio is
established, the user can slart configuring the WlSER24OO radio.
Technical Suggort
If problems are still not solved, please contact our Technical Support to obtain further
assistance.
Call: 1-800-770-6698 in USA
Call: 011-510-490-8288 outside of USA
Email:
support@otcwireless.com
PIC. 1"
Appendix A. WiSER2400.PLUS Cable Configuration
This section describes the serial/RJ—45 cables used for the WiSER2400-IP radio units to
connect with R8232 equipments.
The Figure A. below is the RSZaZC serial cable used for connecting the computer
serial! RSZ32 connector to the WiSER2400APLUS radio unit.
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Figure A R8232-C Serial Cable
The Figure B. is the R8232—F' serial cable commonly used for connecting a RSZBZ
equipment to a WiSER24GO-iP radio unit.
Figure B. R5232-P Serial Cable
QTC 17
Appendix B: Limited Warranty
The seller warrants to the end user (“Customefl that this product will be free from defects in
workmanship and materials. under normal use and sen/ice. for one (1) year from the date of
purchase from the seller or its authorized reseller. The seller's sole obligation under this express
warranty shall be, at the seller's option and expense, to repair the defective product or part,
deliver to Customer an equivalent product or part to replace the defective item, or if neither of the
two foregoing options is reasonably available. The seller may, in its sole discretion, refund to the
Customer the purchase price paid for the defective product.
All products that are replaced will become the property of the seller. Replacement products may
be new or reconditioned.
QTC 18
Appendix C: Regulatory Compliance
FCC Part 15 Declaration of Conformity (DOC)
The equipment is confirmed to comply with the requirements of FCC Part 15 rules. The 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.
FCC ID: MK20207232XG
FCC Rules and Regulations - Part 15
Warning: This device has been tested and found to comply with the limits for a Class B digital
device pursuant to Part 15 of the Federal Communications Commissions Rules and Regulations.
These limits are designed to provide reasonable protection against harmful interference when the
equipment is operated in a commercial environment. This equipment generates, uses. and can
radiate radio frequency energy and, if not installed and used in accordance with the instruction
manual. 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 and correct the interference by one or more
of the following measures:
Relocate your WLAN equipped laptop computer.
Increase the separation between the WLAN equipped laptop computer and other electronics.
Connect the WLAN equlpped laptop computer into an outlet on a circuit different from that of
other electronics.
Consult the dealer or an experienced radio/TV technician for help.
Caution: Changes or modifications not expressly approved by OTC Wireless could void the
user‘s authority to operate the equipment.
Fcc Radiation Exposure Statement
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled
environment. This equipment should be Installed and operated with minimum distance of 20cm
between the radiator & your body. This transmitter must not be co-Iocated or operating in
conjunction with any other antenna or transmitter.
European Community (EC) Directives Conformity and Restrictions
This product is in conformity with the protection requirements of EC Council directives
89/3361EEC. 73/23IEEC. and 1999/51EC on the approximation and harmonization of the laws of
the Member States relating to electromagnetic compatibility. safety of electrical equipment
designed for use within certain voltage limits and on radio equipment and telecommunications
terminal equipment.
Compliance is indicated by the CE marking c G G)
This product satisfies the radio spectrum requirements of EN 300 3284, the EMC requirements
of EN 301 489-17 and the safety requirements of EN 60950.
on; 19

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