Trango Systems P4900M Point to Point Wireless Ethernet Bridge User Manual P4900M Manual 1p0

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Ffirm
ATLAS4900
Point-to-Point
Wireless OFDM Ethernet Bridge
USER MANUAL
DRAFT
June 6, 2006
Revision xx
for Firmware 1.0
Table of Contents
Trango
Table of Contents
Preface.................................................................................................................................................................. iii
FCC Information .......................................................................................................................................... iii
Warranty Information ................................................................................................................................... iii
Chapter 1 Overview................................................................................................................................................1
Range vs. Throughput ....................................................................................................................................2
System Contents .............................................................................................................................................3
Location of Serial Number & MAC Address .................................................................................................3
Location of RJ-45/LED Port...........................................................................................................................4
Chapter 2 Getting Started .......................................................................................................................................5
Connections and Power ..................................................................................................................................5
Configuration Tools........................................................................................................................................5
Troubleshooting Ethernet Connections ..........................................................................................................6
System Information (sysinfo) Page ................................................................................................................6
Chapter 3 Configuration .........................................................................................................................................9
Key Concepts .................................................................................................................................................9
Essentials to Establish a Wireless Link ..........................................................................................................9
Master Unit Configuration..............................................................................................................................9
Remote Unit Configuration ..........................................................................................................................10
Establishing a Wireless Link ........................................................................................................................10
Changing IP Address....................................................................................................................................11
LEDs.............................................................................................................................................................11
RF Link Loopback Test (linktest command)................................................................................................12
Link Speed & Power Settings.......................................................................................................................12
Command Reference Listing ........................................................................................................................13
Chapter 4 Deployment & Installation...................................................................................................................16
Site Selection ................................................................................................................................................16
Site survey ....................................................................................................................................................16
Channel Planning..........................................................................................................................................16
RSSI Command and Antenna Alignment.....................................................................................................17
Mounting Hardware......................................................................................................................................18
Grounding.....................................................................................................................................................19
Cabling and Weather Considerations ...........................................................................................................19
Weatherizing ................................................................................................................................................19
Chapter 5 SNMP ..................................................................................................................................................20
Chapter 6 Firmware Upgrade Procedure ..............................................................................................................21
Firmware File Names ...................................................................................................................................21
Firmware Upgrade Password........................................................................................................................21
Upgrade Procedure .......................................................................................................................................21
Example 1 Upgrade main image firmware to 1.0a6 ....................................................................................21
Example 2 Upgrade web firmware to 1.0a6 ................................................................................................22
Appendix A
Using the HTTP Interface.........................................................................................................23
Appendix B
Specifications............................................................................................................................30
Trango Broadband Wireless — TrangoLINK User Manual Rev. D for Firmware Ver. 1.1
page ii
Preface
Preface
This manual covers the basic configuration and installation of the ATLAS4900 Wireless Point to Point Broadband
System, and applies to the following radio part numbers:
P4900M-INT-18
P4900M-INT-22
P4900M-EXT
Atlas4900-INT18 point-to-point radio with integrated 18 dBi panel antenna
Atlas4900-INT22 point-to-point radio with integrated 22 dBi panel antenna
Atlas4900-EXT point-to-point radio with external h/v polarization antenna connectors
The ATLAS4900-INT18 and –INT22 products consist of two radios which have either internal 18 or 22 dBi antennas
with electronically selectable polarization. The –EXT radios are designed for use with external dish antennas up to +27
dBi gain. All three products contain universal power adapters and mounting hardware for a pole. This device requires
professional installation and a license.
FCC Information
This device complies with Part 90 of the FCC Rules and Regulations.
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 these instructions, may cause harmful interference to radio communications. However, there is no
guarantee that interference will not occur in any 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
correct the interference by one of more of the following measures:
1)
2)
3)
4)
Reorient the antenna.
Increase the separation between the affected equipment and the unit.
Connect the affected equipment to a power outlet on a different circuit from that which the receiver is connected to.
Consult the dealer and/or experienced radio/TV technician for help.
FCC ID: NCYP4900M
IMPORTANT NOTE:
Intentional or unintentional changes or modifications must not be made unless under the express consent of the party
responsible for compliance. Any such modifications could void the user’s authority to operate the equipment and will
void the manufacturer’s warranty. To comply with FCC RF exposure requirements, the following antenna installation and
device operating configurations must be satisfied. The antenna for this unit must be fixed and mounted on outdoor
permanent structures with a separation distance of at least two meters from all persons. Furthermore, it must not be colocated or operating in conjunction with any other antenna or transmitter.
Warranty Information
Radios from Trango Broadband Wireless are warranted for one year from date of purchase. Please see
www.trangobroadband.com for a complete description of warranty coverage and limitations.
Trango Broadband Wireless — Atlas-45
page iii
Overview
Chapter 1 Overview
The ATLAS4900 is a point-to-point (PtP) wireless Ethernet transmission system which provides network connectivity at
speeds up to 45 Mbps depending on the transmission distance and noise floor. The Atlas4900 utilizes OFDM technology
and is designed for use in long range backhaul and wide area data networking applications. The Atlas system is
comprised of the following items:
1)
2)
3)
4)
5)
6)
P4900M-INT18, -INT22 or -EXT (user-configured as Master Unit)
P4900M-INT18, -INT22 or -EXT (user-configured as Remote Unit)
Two 24 Volt power adapters for use with 100 to 240 VAC, including various plug adapters
Two Power over Ethernet Junction Boxes
Two Port plug covers
Mounting hardware
The Atlas4900 system consists of two P4900M radio units and uses a common hardware/firmware platform for
each end of the wireless link. Users are required to simply specify one unit type as master unit (MU) and one unit
as remote unit (RU). The hardware consists of a high gain dual polarized panel antenna with the radio portion
integrated into a cast aluminum case on the back of the antenna, or an external dish antenna. The unit utilizes
Power-over-Ethernet (PoE) and is designed for outdoor environments. The cable entry point can accommodate both
Shielded twisted pair Cat5 (STP), Unshielded twisted pair Cat5 (UTP), with the addition of conduit for tower
mounting.
Trango Broadband Wireless — Atlas-45
page 1
Overview
Range vs. Throughput
The following table shows approximate maximum ranges (at recommended fade margins) achievable with the
ATLAS4900 system using various antenna configurations. Longer ranges are achievable, but will result in lower
fade margins.
P4900M Examples of Range & Aggregate Throughput
Antenna
5 miles
15 miles
30 miles
Integrated 18 dBi
Flat Panel
32 Mbps
(9 db fade margin)
6 Mbps
(14 db fade margin)
NA
Integrated 22 dBi
Flat Panel
41 Mbps
(10 db fade margin)
16 Mbps
(14db fade margin)
6 Mbps
(16 db fade margin)
External 27 dBi
Dish
45 Mbps
(17 db fade margin)
28 Mbps
(17 db fade margin)
10 Mbps
(19db fade margin)
Line-of-sight range
Trango Broadband Wireless — Atlas-45
page 2
Overview
System Contents
Each ATLAS4900-INT kit consists of two P4900M-INT radios, two power-over-Ethernet (PoE) injectors, two AC
adapters, port covers, and mounting hardware. A dual-polarized integrated antenna is located behind the radome of
the P4900M-INT.
2X Radio w/ Internal Antenna
2X Mounting Brackets
2X Pole Brackets
2X U-Bolts
8X Mounting Bracket
Kepnuts
2X
Power-over-Ethernet
Injectors
2X Universal
Power Supplies
2X Silicone Port Plug
2X Port Plate
ATLAS4900-INT22
Location of Serial Number & MAC Address
The serial number and MAC address label can be found on the back of each radio. The serial number and MAC address
is also provided on the system information screen.
Trango Broadband Wireless
P4900M- INT22
Rev. A
S/N: 000001420
MAC: 00 01 DE 00 02 F2
FCC ID: NCYP4900M
Canada: XXXXXXXXXX
THIS DEVICE COMPLIES WITH PART 15 OF THE FCC RULES: OPERATION IS
SUBJECT TO THE FOLLOWING CONDITIONS: (1) THIS DEVICE MAY NOT
CAUSE HARMFUL INTERFERANCE, AND (2) THIS DEVICE MUST ACCEPT
ANY INTERFERENCE THAT MAY CAUSE UNDESIRED OPERATION.
Trango Broadband Wireless — Atlas-45
page 3
Overview
Location of RJ-45/LED Port
The RJ-45 connector, diagnostic LEDs, and reset button are located at the bottom of the radio. Functionality of the LEDs
is described later in this text. The reset button resets IP address and password back to factory default. Hold the reset
button down for 5 seconds (until amber lights flash) while unit is powered on.
Reset Button
Trango Broadband Wireless — Atlas-45
page 4
Getting Started
Chapter 2 Getting Started
It is recommended that you first provision and test your the radios on the bench before deploying them in the field. This is a
particularly useful exercise for the novice user.
Connections and Power
•
Connect a Cat-5 (straight through) Ethernet cable (we recommend shielded twisted pair) between the ODU (out door
unit) port of the J-box and the RJ-45 connector on the radio. Note that this cable will carry power-over-Ethernet
(PoE).
•
If connecting to a COMPUTER, use a Cross-Over Ethernet cable from the NET port of the J-box to the computer’s
Ethernet port.
If connecting to a HUB, SWITCH, or ROUTER, use a Straight-Thru cable.
•
Plug the AC adapter into an AC outlet.
ATLAS
MASTER UNIT OR REMOTE UNIT
AC POWER
20 VDC
POWER SUPPLY
NETWORK
OR
COMPUTER
GROUND
LUG
POWER-OVER-ETHERNET
J-BOX
CAT-5
USE CROSS-OVER CABLE
IF TO COMPUTER
USE STRAIGHT-THRU CABLE
IF TO HUB, SWITCH, OR ROUTER
INDICATES POWER TO J-BOX
INDICATES POWER TO RADIO
CAT-5
STRAIGHT-THRU CABLE
VOLTMETER TEST LEADS
VOLTMETER TEST LEADS
Both green LEDs on the J-box should be lit, indicating power is present at the Power-over-Ethernet box as well as at the radio.
You are now ready to configure the radio via the Ethernet port. The Radio Power LED may take several seconds before
lighting. The radio requires approximately 45 seconds to boot.
Configuration Tools
ATLAS4900 radios can be configured using either the Command Line Interface (CLI), or the Web Browser (HTTP) interface.
Although both methods are comprehensive and powerful, the CLI method provides slightly more functionality.
Trango Broadband Wireless — ATLAS4900
page 5
Getting Started
This text covers configuration through the CLI. For HTTP configuration please see Appendix A.
Telnet
Open a command prompt (DOS) session on your PC. Open a Telnet session by typing:
telnet 
Example:
C:>telnet 192.168.100.100
Note: All Trango radios are pre-configured at the factory with a default IP address of 192.168.100.100.
You will be greeted with current hardware and firmware information and prompted for a password. Type in the password and
press enter. The factory default read/write password is trango.
Welcome to Trango Broadband Wireless, Atlas PtP-P4900M 0p9a2D05020401
Password:
Login as read/write.
#>
Note: Type help for a listing of all CLI commands. Type help [], for the syntax of a particular
command.
Note: If you cannot access the radio management functions via the Ethernet port, check all cable connections and ensure
that your PC is set up with a properly routable subnet.
Troubleshooting Ethernet Connections
If you cannot telnet into the radio or open an HTTP browser session, check your cable connections to ensure proper use
of cross-over vs. straight-through cable, and ensure your PC’s subnet is routable to the radio’s IP address.
System Information (sysinfo) Page
To display system configuration and status information type the command sysinfo.
The sysinfo screen is divided into 7 sections (0 –7)
Section
Description
Hardware/Firmware versions & system uptime (since reboot)
Mac, serial number, and IP configuration information
Opmode, RF info, speed, and peer connection status
RF channel table
Region Code information denotes which channels and power limits are available based on region
code of the radio. Region code is set by the factory and can not be altered by the user.
ARQ status, encryption, Auto-rate shift, remarks, and LED RSSI function
Ethernet TX/RX statistics.
Trango Broadband Wireless — ATLAS4900
page 6
Getting Started
Sysinfo Example:
#> sysinfo
********************************* 0 *********************************
[Model] P4900M
[Unit Type] MU
[Hardware Version] 0810
[Firmware Version] 0p9a2D05020401
[System Up Time] 0 day(s) 01:21:16
********************************* 1 *********************************
[MAC] 00 01 DE 1B 78 42
[S/N] 3726342210
[IP] 192.168.100.100 [Subnet Mask] 255.255.255.0 [Gateway] 0.0.0.0
********************************* 2 *********************************
[Opmode] off [Default Opmode] off
[Active Channel] 1 h [Freq] 4950 MHz
[Speed] 24 Mbps [Tx Power] 0 dBm [Power Range] -4..19 dBm
[Peer ID] DE1B7850 [Status] disconnected [RSSI] -49 dBm
[Peer IP Config] 10.254.1.3 255.255.255.248 10.254.1.1
********************************* 3 *********************************
Channel
[Ch#01]
[Ch#05]
[Ch#09]
[Ch#13]
[Ch#17]
[Ch#21]
Table: (MHz, n/a: not available in current
4950
[Ch#02] 4955
[Ch#03] 4960
4970
[Ch#06] 4975
[Ch#07] 4980
4950
[Ch#10] 4950
[Ch#11] 4950
4950
[Ch#14] 4950
[Ch#15] 4950
4950
[Ch#18] 4950
[Ch#19] 4950
4950
[Ch#22] 4950
[Ch#23] 4950
area)
[Ch#04]
[Ch#08]
[Ch#12]
[Ch#16]
[Ch#20]
[Ch#24]
4965
4950
4950
4950
4950
4950
********************************* 4 *********************************
[Area Code] 0
RF Band #1 (4950..4980 MHz) 8..22/22/19/18/17 dBm
********************************* 5 *********************************
[Tx MIR] 50000 Kbps
[ARQ] on
[Encrypt] off [Key] 0011 2233 4455 6677 8899 AABB CCDD EEFF
[Auto Rate Shift] off
[RSSI LED] on
[Remarks] Remarks
********************************* 6 *********************************
[Eth In] 31,117 bytes [Eth Out] 54,391 bytes
[RF In] 39,574 bytes [RF Out] 54,391 bytes
Success.
#>
To view only a particular section of the sysinfo screen, type sysinfo followed by the desired section number.
Trango Broadband Wireless — ATLAS4900
page 7
Getting Started
Example:
#> sysinfo 2
********************************* 2 *********************************
[Opmode] off [Default Opmode] off
[Active Channel] 1 h [Freq] 4950 MHz
[Speed] 24 Mbps [Tx Power] 0 dBm [Power Range] -4..19 dBm
[Peer ID] DE1B7850 [Status] disconnected [RSSI] -49 dBm
Success.
#>
Trango Broadband Wireless — ATLAS4900
page 8
Configuration
Chapter 3 Configuration
Key Concepts
Prior to configuring the radios it is important to understand several key concepts:
Master Unit (MU)
The MU is typically considered the primary radio within the link. For management purposes
it is recommended to install the MU closest to the head-end of the network.
Remote Unit (RU)
The RU is typically installed at the remote end of the link. The primary distinction between
the MU and RU is that when the radios are not associated, the MU will transmit and the RU
will listen until the wireless link is established.
Peer ID
Authentication is controlled by the MAC address of each radio. The Peer ID is defined as the
MAC address of the opposite radio. In other words, the Peer ID of the MU is the RU’s MAC
address and the Peer ID of the RU is the MU’s MAC address.
Opmode
Operation mode (on or off). The radio will only transmit while set to Opmode ON.
Default Opmode
Opmode (on or off) which the radio enters after reboot. Note: if you telnet into a radio
within 30 seconds after reboot, the radio will remain in opmode OFF even if the default
opmode is ON.
Essentials to Establish a Wireless Link
Configuration of the Atlas system is simple and at a minimum requires the following settings:
1. Designate one radio as the Master Unit (MU) and one unit as the Remote Unit (RU).
2. Program Peer ID in each radio.
3. Set MU and RU to same channel and antenna polarization
4. Set default Opmode to “ON” so that radio will automatically enter opmode after reboot.
5. Turn radios Opmode “ON”.
If all of these parameters are met, and if the MU and RU are within range and properly aligned, the wireless link will
automatically establish itself and Ethernet traffic will begin to pass between the radios.
Master Unit Configuration
Start a telnet session with one of the radios. Follow these steps for configuration.
1.
Set the Unit Type (utype) to MU in one radio. (default for all radios is RU)
#> utype mu
Success.
#>
2.
Set the Peer ID with the MAC address of the RU. Only use the last 8 digits of the MAC address.
#> peerid de1B7850
Success.
#>
3.
Set channel and polarization. (in this example set the channel to 1 and polarization to H).
#> freq 1 h
Trango Broadband Wireless — ATLAS4900
page 9
Configuration
Ch# 1 h (4950 MHz)
Success.
4.
Set default Opmode to ON.
#> defaultopmode on
Success.
5.
Turn Opmode ON.
#> opmode on
Success.
Remote Unit Configuration
Configure the RU in the same manner as the MU. Since the default unit type (utype) is RU, you do not need to set this
parameter.
1.
Set the Peer ID with the MAC address of the MU. Only use the last 8 digits of the MAC address.
#> peerid de1B7842
Success.
#>
2.
Set channel and polarization. (in this example set the channel to 23 and polarization to H).
#> freq 1 h
Ch# 1 h (4950 MHz)
Success.
3.
Set default Opmode to “ON.”
#> defaultopmode on
Success.
4.
Turn Opmode “ON.”
#> opmode on
Success.
Establishing a Wireless Link
If the MU and RU are properly configured and in opmode “ON”, the two radios will automatically begin the
authentication process and become connected. To determine if the two radios are connected, type the sysinfo 2
command.
Example:
#> sysinfo 2
********************************* 2 *********************************
[Opmode] off [Default Opmode] off
[Active Channel] 1 h [Freq] 4950 MHz
[Speed] 24 Mbps [Tx Power] 0 dBm [Power Range] -4..19 dBm
[Tx MIR] 50000 Kbps
[ARQ] on
[Encrypt] off [Key] 0011 2233 4455 6677 8899 AABB CCDD EEFF
[Peer ID] DE1B7850 [Status] connected [RSSI] -49 dBm
Success.
#>
Trango Broadband Wireless — ATLAS4900
page 10
Configuration
The [status] field indicates whether the MU and RU are connected or disconnected. If connected, the MU and RU will
automatically start passing Ethernet traffic over the wireless link.
Changing IP Address
Use the ipconfig command to change the radio’s ip address, subnet mask and gateway.
Syntax: ipconfig [  ]
Example:
#> ipconfig 10.8.2.140 255.255.255.240 10.8.2.129
New configuration: [ip] 10.8.2.140 [subnet mask] 255.255.255.240 [gateway]
10.8.2.129
save and activate ? (y/n) [ATTN] Telnet session will be terminated in 30
seconds.
Success.
#>
LEDs
LEDs are visible on the unit’s PCB between the reset button and the RJ-45 connector. The function of each
LED is described below:
LNK (green)
Green: On solid for an established 10BaseT or 100BaseT Ethernet Link.
SPEED
Green: Solid if 100BaseT, Blinks only if there is activity (TX or RX) on the network when a 100 MBit
connection is established. Off if a 10BaseT connection is established or if there is 10BaseT activity.
RSSI (4 LEDs)
Amber: Four LEDs
In all modes except “Survey”, the unit’s four yellow LEDs indicate the level of RF signal being
received from a VALID MU or RU as appropriate.
Yellow LED 1 : Begins blinking when RSSI is greater or equal to –90 dBm. On continuously at –85
dBm. This is the Leftmost LED
Yellow LED 2 : Begins blinking when RSSI is greater or equal to –80 dBm. On continuously at –75
dBm.
Yellow LED 3 : Begins blinking when RSSI is greater or equal to –70 dBm. On continuously at –65
dBm.
Yellow LED 4 : Begins blinking when RSSI is greater or equal to –60 dBm. On continuously at –55
dBm. This is the rightmost LED.
If no VALID MU or RU signal is detected the LEDs will not be on at all.
In addition, these 4 LEDs shall flash ON for 2 seconds, then OFF for 2 seconds to indicate the 'factory
reset' button has been activated and the reset successful.
ASSOCiation LED (green):
The ASSOC led blinks at the following rates:
- Once every second when unit is powered on but opmode is OFF.
Trango Broadband Wireless — ATLAS4900
page 11
Configuration
- Twice per second while in opmode ON and scanning for an MU or RU.
- Solid after unit is associated with the RU or MU.
RF Link Loopback Test (linktest command)
The linktest command tests the throughput and packet error rate (PER) on the current channel for each direction at all
speeds and reports results. This command also provides RSSI for both ends of the wireless link. The command can be
run from either the MU or the RU.
In running the linktest command the user must specify the modulation speed for each end of the link.
Command format: linktest  
Valid modulation speeds are: 6,12,18,24,36,48, and 54 Mbps. Lower speeds will result in fewer dropped packets.
Example:
# linktest 24 24
local tx rate = 24 Mbps
peer tx rate = 24 Mbps
packet size = 1600 bytes
# of packets per period = 1000
# of Cycle = 10
0> [tx] 1000 [rx] 1000 [rssi] -37
1> [tx] 1000 [rx] 1000 [rssi] -37
2> [tx] 1000 [rx] 1000 [rssi] -37
3> [tx] 1000 [rx] 1000 [rssi] -37
4> [tx] 1000 [rx] 1000 [rssi] -37
5> [tx] 1000 [rx] 1000 [rssi] -37
6> [tx] 1000 [rx] 1000 [rssi] -37
7> [tx] 1000 [rx] 1000 [rssi] -37
8> [tx] 1000 [rx] 1000 [rssi] -36
9> [tx] 1000 [rx] 1000 [rssi] -37
peer:
peer:
peer:
peer:
peer:
peer:
peer:
peer:
peer:
peer:
--> [tx] 10000 [rx] 10000 [rssi] -36
--> [Local PER]
0.00 % [Peer PER]
[tx]
[tx]
[tx]
[tx]
[tx]
[tx]
[tx]
[tx]
[tx]
[tx]
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
[rx]
[rx]
[rx]
[rx]
[rx]
[rx]
[rx]
[rx]
[rx]
[rx]
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
[rssi]
[rssi]
[rssi]
[rssi]
[rssi]
[rssi]
[rssi]
[rssi]
[rssi]
[rssi]
-40
-40
-40
-40
-40
-40
-40
-40
-40
-40
->
->
->
->
->
->
->
->
->
->
22.01
22.01
22.01
22.01
22.01
22.01
22.01
22.00
22.01
22.01
Mbps
Mbps
Mbps
Mbps
Mbps
Mbps
Mbps
Mbps
Mbps
Mbps
peer: [tx] 10000 [rx] 10000 [rssi] -40
0.00 %
Success.
#>
In this example the linktest was run at 24 Mbps at each end of the link. The results indicated 10 cycles of 1000 packets
were transmitted and received from each end of the link without error. Actual achievable throughput is measured at 22
Mbps.
Link Speed & Power Settings
Users may change the radio’s over-the-air data rate and conducted output power using the speed and power
commands. Keep in mind that the lower data rates offer higher receiver sensitivity and higher allowable
conducted RF power in the ISM band. The following table shows the relation between speed settings, receiver
sensitivity, and allowable maximum power settings for each band. The lowest power setting for all bands in –4
dBm.
Speed Setting
(over-the-air rate)
(Mbps)
12
18
24
36
Receiver
Sensitivity
(dB)
-92
-87
-85
-84
-80
Trango Broadband Wireless — ATLAS4900
Max Power
High (ISM) Band
(dBm)
21
19
19
18
18
Max Power
Low (U-NII)
(dBm)
page 12
Configuration
48
54
-75
-73
17
17
In this example the user sets the power to 19dBm and the speed to 24 Mbps:
#> power 19
Execution in progress...
19 dBm (-4..19)
Success.
#> speed 24
24 Mbps
Success.
#>
Command Reference Listing
The complete command set reference is provided below. You can also view a complete listing of all CLI commands by
typing help.
antenna [h|v]
arq [on|off]
autorateshift [on|off]
autoscanmu [on|off]
defaultopmode [on|off]
encrypt [on|off]
encrypt key 
exit
freq [ ]
freq writechannel  …
freq writechannel default
Trango Broadband Wireless — ATLAS4900
Set or display antenna setting. H=Horizontal
polarity, V=vertical polarity.
Enable or disable Auto Retransmit Request
(ARQ). With ARQ enabled, the Atlas system
will retransmit packets which are detected as
missing or corrupted. Default setting=ON.
Enable or disable automatic rate shift feature.
With autorateshift enabled, the radios will
automatically renegotiate speed setting to
maximize wireless link integrity. Default
setting=OFF.
Enable or disable auto scan MU (RU only).
Default setting=OFF . When autoscanmu is
turned on, the RU will automatically scan all
channels and polarizations searching for its peer
MU. Once the RU detects the MU it will stop
scanning and lock onto the channel of the MU.
The autoscan feature is useful in cases where
the user changes the channel at the MU because
the RU will automatically search for the new
channel of the MU. Note: auto-scanning may
take as long as 5 minutes.
Set or display default opmode. Radio must be
set to opmode ON to establish wireless link.
Default setting=OFF
Enable or disable proprietary 128 bit tx
encryption.
Default setting=OFF
Change encryption key (128 bits)
 = xxxx xxxx xxxx xxxx
xxxx xxxx xxxx xxxx
Exit telnet session
Set or display channel and antenna selection
Modify channel table, up to 6 channels at a time
Restore factory default channel table
page 13
Configuration
help []
ipconfig [  ]
linktest  
[ [<# of pkt> [<# of
cycle>]]]
mir []
opmode [on|off]
password 
peerid []
power []
reboot
remarks
reset
rssi
rssiled [on|off]
speed []
survey []
survey  all
survey  [ [..]]
sysinfo
sysinfo [[ [ [..]]]]
syslog
Trango Broadband Wireless — ATLAS4900
Display command usage and syntax
Change ip configuration
 = ip address
 = subnet mask
 = gateway ip address
RF link loopback test
This is the primary loopback test utility for
evaluating over-the-air link quality. Provides
link reliability information and dropped packet
statistics. Standard linktest transmits 1600 byte
packets, 1000 packets per second for 10 cycles.
User can specify packet size, quantity of
packets, number of cycles
 = 6,12,18,24,36,48,54 Mbps
Set or display tx maximum information rate
(MIR). MU and RU can be set with
different mir for asymmetric upload and
download.
 = 100..50000
Set or display operation mode (on or off)
Change password
 = for read-only
 = for read-write
 = for upgrading firmware
Set or display peer device id
Set or display tx power
 is limited by area (ref: “sysinfo 4”)
Reboot unit
Enter user remarks up to 80 characters
Restore all factory defaults except ipconfig and
passwords.
Display RF relative signal strength indication
(rssi) from peer radio
Enable or disable rssi LED update
Set or display tx rate
 = 1,2,6,9,11,12,18,24,36,48,54 Mbps
Display noise floor for current channel
 = period 10..3600
default = 10
Display noise floor for all available channels
Display noise floor for selected channels
Display all system information
Display system information and status
 = 0..6
part 0: up time and version information
part 1: MAC address and IP configuration
part 2: RF link status
part 3: channel table
part 4: region code and power limitations
part 5: switch settings and remarks
part 6: statistics
Display system log
page 14
Deployment & Installation
tftpd [on|off]
utype [mu|ru]
Trango Broadband Wireless — ATLAS4900
Enable or disable tftpd (used for firmware
upgrades)
Set or display unit type
page 15
Deployment & Installation
Chapter 4 Deployment & Installation
Once you are familiar with the basic operation of the radios you are ready for deployment in the field. The deployment process
consists of the following steps:
• Site Selection
• Site survey at MU and RU sites
• MU installation
• RU installation and antenna alignment
• Link test
Site Selection
Proper site selection for your MU will help ensure a successful deployment. Site selection will depend on a wide variety of
factors, but from the radio’s performance standpoint, please consider the following:
• Path from MU to RU should provide unobstructed line-of-sight (LOS), thus it is advisable to place MU as high as
possible on a tall building or tower.
• Ethernet cable limit is 100 meters from Ethernet device (router, switch) to radio.
• Radios should never be deployed without proper grounding.
• Consider nearby sources of interference that could degrade the performance of the radio. Mount radios as far from
sources of interference as possible.
Site survey
The radios provide an on-board site survey tool which measure the average and peak noise levels on any given channel.
To use the survey tool, the radio must be in Opmode “OFF.” The survey can be performed for any specified amount of
time (in seconds), and for either the horizontal or vertical polarization.
Prior to performing the site survey, place the radio in the installation spot, and aim the radio in the desired direction.
After the specified period, the results of this command will provide you with a listing of each channel in the band, the
average signal received, and the maximum signal received during the survey period.
Example:
#> survey
Press any key to stop.
noise floor (peak/avg dBm)
0> -97 / -98
n/a
1> -97 / -98
n/a
2> -97 / -98
n/a
3> -97 / -98
n/a
4> -97 / -98
n/a
5> -97 / -98
n/a
6> -97 / -98
n/a
7> -97 / -98
n/a
8> -97 / -98
n/a
Ch 1 h 4950 -->
Success.
-97 / -98
rssi by pkt (peak/avg dBm)
n/a
Channel Planning
Based on the results of the site survey at each end of the link, choose a channel which offers the lowest noise floor. In order to
reliably operate in the higher speed modes, clean spectrum is essential.
Trango Broadband Wireless — ATLAS4900
page 16
Deployment & Installation
RSSI Command and Antenna Alignment
Once the site survey is completed, you are ready to install your radios. Typically it is best to install the MU first. To
properly align the radios, use the built-in RSSI tool to achieve maximum signal strength.
1. Ensure MU and RU are in Opmode “ON.”
2. Connect to the RU.
3. Login and type the command rssi. As you read the RSSI, move the antenna in
the horizontal and vertical planes until the maximum RSSI reading is achieved
4. If it is not possible to receive an adequate RSSI reading, it may be necessary to
reorient the MU (up/down, left/right), to increase the output power of the MU, or
to move the RU to a location with better line-of-sight conditions to the MU.
5. Once you are satisfied with the RSSI reading, tighten down the RU in the
optimum position.
Example:
#> rssi
Press any key to stop.
0> MU -75 dB
RU
1> MU -75 dB
RU
2> MU -73 dB
RU
3> MU -72 dB
RU
4> MU -70 dB
RU
5> MU -70 dB
RU
6> MU -69 dB
RU
7> MU -70 dB
RU
8> MU -70 dB
RU
9> MU -67 dB
RU
10> MU -67 dB
RU
Success.
-75
-75
-73
-71
-70
-69
-70
-70
-70
-68
-67
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
Connected
Connected
Connected
Connected
Connected
Connected
Connected
Connected
Connected
Connected
Connected
Users can also view the RSSI LEDs on the bottom of the radio. See the configuration section of this manual for more
information.
Trango Broadband Wireless — ATLAS4900
page 17
Deployment & Installation
Port Plug and Port Plate
Prior to deployment, insert the silicone port plug around the Cat-5 Cable and insert into the radio’s port opening. Next,
screw the port plate over the silicone plug as shown in the photographs below.
Mounting Hardware
Radios are supplied with mounting hardware for pole installations. See diagram below for proper use of the mounting
hardware.
8.50 MAX
10.00°
UPTILT
25.00°
DOWNTILT
Mounting Hardware Assembly for Integrated Antenna P4900-INT-22
Trango Broadband Wireless — ATLAS4900
page 18
SNMP
Grounding
Proper mounting of the radio includes consideration for grounding. Please note that if the radio is attached to a metal pole that
is earth-grounded, no other grounding is necessary. If the radio is not earth-grounded via the mounting bracket, you must
attach a grounding wire to the grounding stud on the radio as in the adjacent diagram.
Cabling and Weather Considerations
Shielded twisted pair Cat-5 cable is recommended for all installations. The shield within the Cat-5 cable does not need to be
grounded if the radio itself is grounded. It is important to consider that most Cat-5 cable will deteriorate over time if exposed
to the weather (especially direct sunlight). It is recommended that installers place all Cat-5 cables inside conduit. Plastic
conduit is sufficient. If metal conduit is used, it is not necessary to use shielded Cat-5 cable.
Weatherizing
Important! Please note that the silicon strain relief has a small gap when the cable is
installed. This is normal .
It is important to provide strain relief and drip loop for STP Cat-5 cables. Do not mount the
radio upside down as water will enter the bottom of the radio and cause permanent damage
Important! The Power-over-Ethernet injector is not a weatherized device and must be
located either indoors or in a weather-protected cabinet.
Trango Broadband Wireless — ATLAS4900
page 19
SNMP
Chapter 5 SNMP
The Atlas supports SNMP (Simple Network Management Protocol). Network management consists of the following 3
categories: configuration, Link and Association monitoring and Alarms. Besides this proprietary Management
Information Base (MIB) the Atlas also supports a large part of the MIB-II OIDs.
Review the Trango MIB (TRANGO-P5M-MIB.mib) available on our website for the complete listing of all MIB objects
available.
These capabilities allow the system administrator to provide superior service through higher network accessibility and
integrated performance monitoring.
Depending on your Network Node Manager (NNM) it may be necessary to append a “.0” onto the end of each of the
OIDs listed below for proper operation.
Objects for Configuration
Name
1.3.6.1.4.1.5454.1.40.1.1.1
verUnitType
1.3.6.1.4.1.5454.1.40.1.8.3
sysswAutoScanMUSignal
1.3.6.1.4.1.5454.1.40.1.3
sysDefaultOpmode
1.3.6.1.4.1.5454.1.40.1.4
sysCurrentOpmode
1.3.6.1.4.1.5454.1.40.1.5
1.3.6.1.4.1.5454.1.40.1.13.1
1.3.6.1.4.1.5454.1.40.1.13.2
1.3.6.1.4.1.5454.1.40.1.13.3
1.3.6.1.4.1.5454.1.40.1.13.4
1.3.6.1.4.1.5454.1.40.2.1
1.3.6.1.4.1.5454.1.40.2.2
1.3.6.1.4.1.5454.1.40.2.3
1.3.6.1.4.1.5454.1.40.2.4
1.3.6.1.4.1.5454.1.40.2.5
1.3.6.1.4.1.5454.1.40.1.14
sysActivateOpmode
sysipconfigIpAddress
sysipconfigSubnet
sysipconfigDefaultGateway
sysipconfigChange
rfPeerDeviceID
rfActiveChannel
rfActivePolarization
rfSpeed
rfTxPower
sysRemarks
Description
Returns radios unit type
(0 = RU, 1= MU)
Returns value of Auto Scan switch
(0 = off,1 = on)
Returns defaultOpmode setting
(0 = off,1 = on)
Returns current opmode setting
(0 = off,1 = on)
Turns opmode on
Sets IP address
Sets subnet
Set default gateway
Activates IP address change
Configure PeerID
Displays current channel
Displays current antenna polarization
Displays current Speed setting
Displays current transmit power (dBm)
Display radios remarks
Objects for Link and Association Monitoring
1.3.6.1.4.1.5454.1.40.2.12
1.3.6.1.4.1.5454.1.40.2.13
rfRSSI
rfAssociated
1.3.6.1.4.1.5454.1.40.3.2
1.3.6.1.4.1.5454.1.40.3.3
ruReboot
ruDistance
Displays RSSI value (dBm)
Displays current association status
(0 = disassociated,1 = associated)
Reboots RU
Displays current ru distance
Objects for Bandwidth Monitoring
1.3.6.1.4.1.5454.1.40.1.9.1
1.3.6.1.4.1.5454.1.40.1.9.2
1.3.6.1.4.1.5454.1.40.1.9.3
1.3.6.1.4.1.5454.1.40.1.9.4
systrafficEthInOctets
systrafficEthOutOctets
systrafficRfInOctets
systrafficRfOutOctets
Displays Ethernet in (bytes)
Displays Ethernet out (bytes)
Displays RF in (bytes)
Displays RF out (bytes)
trapTrapDstEntry
trapTrapDstEnabling
trapTrapIpAddress
trapTrapCommStr
Enable/Disable trap
Set destination trap IP
Set trap community string
Objects for Alarm Monitoring
1.3.6.1.4.1.5454.1.40.3.4.1.1
1.3.6.1.4.1.5454.1.40.3.4.1.2
1.3.6.1.4.1.5454.1.40.3.4.2
1.3.6.1.4.1.5454.1.40.3.4.3
Trango Broadband Wireless — ATLAS4900
page 20
SNMP
Chapter 6 Firmware Upgrade Procedure
Trango Broadband Wireless will from time to time release firmware upgrades for the Atlas series radios. The latest
released firmware can be downloaded from http://www.trangobroadband.com/support/downloads.htm.
Firmware releases consists of two files: Main image firmware and Web (HTTP interface) firmware.
Firmware File Names
Firmware files are released in the format shown below. This example consists of main image and web firmware versions
1.0a6.
Main Image:
p5m_1p0a6D05031505_Pupgrade
Firmware Version: 1p0a6D05031505
File Size: 1868288 bytes
Web
web_1p0a6D05031505_Pupgrade
File Size: 131584 bytes
Firmware Upgrade Password
The firmware filenames include the upgrade password (the characters after the ‘_P’ in the file name) The default
upgrade password in the Atlas radios is upgrade. Users may change the upgrade password within the radios using the
password upgrade command. Firmware release files from Trango Broadband Wireless will always be names with the
default upgrade password of upgrade. If the user changes the upgrade password in the radio, then the firmware file name
must be changed as well in order to upgrade the radios.
Upgrade Procedure
1.
2.
3.
4.
5.
Place firmware files in easily accessible path in your computer.
In order to provide the most stable wireless conditions possible during the upgrade process it is recommended to
set the radio speed to the minimum (6 Mbps) in both the MU and RU. Turn autorateshifting off during the
upgrade.
Turn on the radio’s tftp daemon
From computer’s command prompt, tftp the firmware file into the radio using binary mode.
After file is successfully tftp’d to the radio, the radio will automatically reboot itself and load the new firmware
IMPORTANT: DO NOT POWER CYCLE OR INTERUPT THE REBOOT PROCESS IN ANY MANNER.
WAIT AT LEAST THREE MINUTES TO ENSURE AUTOMATIC REBOOT COMPLETION. LOSS OF
POWER DURING THE REBOOT SEQUENCE WILL RESULT IN A CORRUPTED/INCOMPLETE
FIRMWARE LOAD WHICH WILL REQUIRE REFLASHING AT THE FACTORY.
6.
7.
Repeat process for other radio
Repeat process for web file.
Example 1 Upgrade main image firmware to 1.0a6
FROM RADIO TELNET SESSION
Welcome to Trango Broadband Wireless, Atlas PtP-P4900M 1p0a4D05030303
Password:
Login as read/write.
Trango Broadband Wireless — ATLAS4900
page 21
SNMP
#> tftpd on
Success.
#>
FROM COMPUTER COMMAND PROMPT SESSION
C:\Atlas>dir
Volume in drive C is Local Disk
Volume Serial Number is 7802-AAF7
Directory of C:\Atlas
03/16/2005
03/16/2005
03/15/2005
03/15/2005
08:29a

08:29a

..
04:34p
1,868,288 p5m_1p0a6D05031503_Pupgrade
04:33p
131,584 web_1p0a6D05031505_Pupgrade
2 File(s)
1,999,872 bytes
2 Dir(s) 20,217,208,832 bytes free
C:\Atlas>tftp -i 10.254.1.2 put p5m_1p0a6d05031503_Pupgrade
Transfer successful: 1868288 bytes in 9 seconds, 207587 bytes/s
C:\Atlas>
NOTE: AT THIS POINT WAIT THREE MINUTES BEFORE PROCEEDING
Example 2 Upgrade web firmware to 1.0a6
FROM RADIO TELNET SESSION
Welcome to Trango Broadband Wireless, Atlas PtP-P4900M 1p0a6D05031505
Password:
Login as read/write.
#>
#> tftpd on
Success.
#>
FROM COMPUTER COMMAND PROMPT SESSION
C:\Atlas>tftp -i 10.254.1.2 put web_1p0a6d05031505_Pupgrade
Transfer successful: 131584 bytes in 1 second, 131584 bytes/s
C:\Atlas>
Trango Broadband Wireless — ATLAS4900
page 22
Appendix A
Command Set Reference
Appendix A Using the HTTP Interface
Open a browser session and type in the IP address of one of the radios. Default IP address is 192.168.100.100.
Leave the User name field blank and enter read write or read only Password. Press OK. Default password is trango.
After logging on, the system information screen will be displayed.
Trango Broadband Wireless — ATLAS4900
page 23
Appendix A
Command Set Reference
Navigation links are shown on the left side of the browser screen. Navigable links include:
System Information
Configuration
Site Survey
Link Control
Help
The lower left portion of the screen shows the unit’s current opmode, connection, channel, and antenna status.
The main body of the System Information displays most of the key parameters. To alter these parameters use the
Configuration page.
Description of System Information entries. To view this information within the radio, click the Help link.
Model:
Model number.
Unit Type:
Atlas unit type either MU (master) or RU (remote).
Hardware Version:
Hardware version is factory-set and can not be changed by user.
Firmware Version:
Current firmware version loaded in the radio.
System Up Time:
Time since radio was last rebooted or powered.
MAC:
MAC address of the radio.
IP, Subnet Mask, Gateway:
IP, subnet mask, and gateway of radio
Opmode:
Current operation of the radio.\"On\" indicates transmitting. \"Off\" indicates
not transmitting.
Default Opmode:
Opmode which radio enters after reboot or power cycle.
Peer ID:
User entered MAC address of the peer unit. In the MU, Peer ID is the MAC
address of the RU. In the RU, Peer ID is the MAC address of the MU.
Status:
Status of Remote Unit. Connected (wireless link established) or disconnected
(wireless link not established).
RSSI:
Relative Signal Strength Indicator. Displays signal strength received from the
Remote Unit. 'n/a' indicates Remote Unit is not connected.
Tx MIR:
Transmit Maximum Information Rate to the peer unit.
Channel:
RF Channel
Tx Power:
Transmit power
Channel Table:
Set of channels based on the Country Code setting.
Area Code:
802.11d country information elements. It consists of the country code and a
set of channels with maximum power.
Trango Broadband Wireless — ATLAS4900
page 24
Appendix A
Command Set Reference
Auto Rate Shift:
See definition in Configuration section
Auto Scan MU:
See definition in Configuration section.
RSSI LED:
See definition in Configuration section.
Remarks:
See definition in Configuration section.
Eth In:
Counter for Ethernet packets which entered via the Ethernet port of the radio.
Eth Out:
Counter for Ethernet packets which exited via the Ethernet port of the radio.
RF In:
Counter for Ethernet packets which entered over-the-air into the radio.
RF Out:
Counter for Ethernet packets which exited over-the-air out the radio.
Configuration Page
IP Address:
The IP address of this radio; used to manage the radio's application layer.
Subnet Mask:
The subnet mask of the radio.
Gateway:
The default gateway of the radio.
Default Opmode:
Operation mode of the radio after power cycle. When Opmode is \"On\" the
radio will attempt to make a wireless connection. When Opmode is \"Off\" the
radio is not transmitting, but can be managed from the wired side. In addition
to setting Default Opmode to \"Off\", Opmode can be set to \"Off\" by
interrupting the radios boot-up cycle in the first 30 seconds after power up
Peer ID:
User entered MAC address of the partner unit.
Switch:
Checked means active
Auto Rate Shifting
When enabled, radio will automatically shift TX rate up or down depending
on link quality.
Autoscan MU
(RU Only). If this switch is enabled, when not connected to MU, the RU will
automatically automatically scan all available channels and frequencies
RSSI LED
Enables and disables RSSI LEDs. Disabling the LEDs provides slight
improvement to radio performance. Typically RSSI LEDs should be enabled
during alignment and disabled during normal operation.
Active Channel/Polarization: The current channel and polarization of the radio when Opmode is \"On\".
Speed:
Transmit over-the-air raw data rate.
Power:
Transmit RF power setting.
Range:
Allowable range of the transmit power based on the current settings of the
active channel and the speed.
Trango Broadband Wireless — ATLAS4900
page 25
Appendix A
Command Set Reference
Remarks:
A descriptive text field for general use (i.e. the location of the unit). It does
not affect system performance.
MIR:
Set Maximum Information Rate for network traffic.
ARQ: .
Auto Retransmit Request. When enabled, dropped packets are detected at
the receiver and retransmitted by the transmitter.
Encrypt: .
Encryption. Enables and disables proprietary 128 bit over-the-air encryption.
Key: .
128 Encryption Key. Must match in both MU and RU.
Activate Opmode On:
Activates radio's Opmode to \"On\"-transmitting.
Activate Opmode Off:
Activates radio's Opmode to \"Off\" not-transmitting.
Reboot:
Reboot the unit.
Close All Telnet Sessions:
Close all the active telnet sessions.
Trango Broadband Wireless — ATLAS4900
page 26
Appendix A
Command Set Reference
Configuration Screen
Users may enter all primary configurable parameters using the Configuration Screen.
Trango Broadband Wireless — ATLAS4900
page 27
Appendix A
Command Set Reference
Site Survey Page
The site survey function measures overall noise floor as well as in-band noise containing data packets. Noise is reported
in terms of average and peak dBm for the period tested. The user specifies duration of the test in minutes as well as the
antenna port.
In this example the site survey function was performed for 1 minute on the vertical polarity. The lower band (5250 –
5340 Mhz) is reported to be relatively clean with a noise floor in the range of –97 to –98 dBm. The noise floor in the
upper band (5735 – 5835 MHz) is higher and ranges from –58 dBm (at 5735 Mhz) to –90 dBm (at frequency 5775 MHz.
In this example, channel 19 is the noisiest and should be avoided.
Trango Broadband Wireless — ATLAS4900
page 28
Appendix A
Command Set Reference
Link Control
The Link Control page features the RF Link Loopback / Speed Test. In this test, the user specifies the transmission rate
(in Mbps) in both the local radio and the peer radio as well as the duration time (in minutes) for the test. During the test,
the local radio will transmit packets across the wireless link. The peer radio will retransmit equivalent packets back to
the local radio. The test will measure and report error rate and actual throughput as measured in Mbps. The following
link test was run for 60 seconds with a specified TX rate of 12 Mbps per end.
In this example, the error rate was 2 packets from MU to RU and 0 packets from RU to MU. Measured aggregate
bandwidth is 10.93 Mbps.
Trango Broadband Wireless — ATLAS4900
page 29
Appendix B
Specifications
Appendix B Specifications
Data Parameters
Modulation Format
Orthogonal Frequency Division Multiplexing
Certification/Compliance
FCC Part 90, FCC Part 15
Receiver Sensitivity
–71 dBm (54 Mbits) to –90 dBm (6 Mbits)
User Data Throughput
45 Mbps
Format 10/100 BaseT
10/100 BaseT
Network Protocols
All IEEE 802.3 / 802.3u compliant protocols
Configuration and Management
Telnet, SNMP, TFTP, HTTP
Upstream/Downstream Throughput
Dynamic, automatically adjusts to suit demand
Physical Interfaces
Ethernet Speed (via RJ45 shielded)
10/100 BaseT, Auto-sensing
Ethernet Packet
Up to 3600 byte long packets (supports VLAN/VPN pass through)
Power Parameters
Power Method
Power-over-Ethernet (PoE). DC Voltage injected at PoE J-Box
Voltage input limits into PoE J-Box
12 VDC - 24 VDC, 24 VDC Nominal
Voltage input limits into Radio
10.5 VDC - 24 VDC
Standard Power Supply (included)
90 – 240 VAC to 24 VDC Universal Power Supply
PoE Cat-5 Max Cable length
100 meters on 24 AWG STP Cat-5 Cable
Current Draw/Power
750 mA max. (12 W), using 24V standard adapter
Environmental
Radio Enclosure
All-weather, powder coated, aluminum case/back with UV stabilized ABS radome
Temperature Range
-40° to 60° C (-40° to 140° F)
NEMA Rating
NEMA 4
Radio Dimensions
14.5 in. x 14.5 in. x 3.75 in.
Radio Weight
7 Lbs. (INT-22), 5 lbs (INT-18) , 3 lbs (-EXT)
User Interfaces
RJ45 (shielded)
Trango Broadband Wireless — ATLAS4900
page 30

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