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Trango Systems M2400S User Manual

2.4 ghz wireless broadband system
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M2400S™
2.4 GHz Wireless Broadband System

USER MANUAL

October 18, 2004
Revision A
for Firmware Version 1.0

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  • Page 1: User Manual

    M2400S™ 2.4 GHz Wireless Broadband System USER MANUAL October 18, 2004 Revision A for Firmware Version 1.0...

  • Page 2: Table Of Contents

    Loading Multiple SU’s into SUDB using DLOAD Command... 37 SNMP ... 38 Objects for Monitoring and Control ... 38 SNMP Setup ... 38 Appendix A Command Set Reference ... 40 Appendix B Specifications ... 44 Trango Broadband Wireless — M2400S User Manual Rev. A page ii...
  • Page 3 Figure 7: LED Summary... 16 Figure 8: M2400S Mounting Hardware Assembly ... 28 Figure 9: Articulation for M2400S with Mono Pod Mount (not supplied) ... 28 Figure 10: Grounding of Radio... 29 Trango Broadband Wireless — M2400S User Manual Rev A...

  • Page 4: Preface

    Preface Preface This manual covers basic configuration and installation of the M2400S Wireless Broadband System and applies to the following radio part numbers: M2400S-AP 2.4 GHz Access Point M2400S-SU 2.4 GHz Subscriber Unit FCC Information This device complies with Part 15 of FCC Rules and Regulations. 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.

  • Page 5: Section 1 Introduction

    Contact Technical Support for access to the Professional Installation Guide. The M2400S system consists of two types of radios: Access Points (APs) and Subscriber Units (SUs). Up to 126 subscriber units can be supported by a single AP, which acts as a hub in a star configuration. The AP delivers wireless broadband service (Ethernet connectivity) to one or more SUs according to a proprietary adaptive dynamic polling algorithm called SMARTPolling™.

  • Page 6: Smartpolling™ & Bandwidth Throttling

    SmartPolling™ & Bandwidth Throttling One of the major advantages of the M2400S system is the ability of the AP to handle multiple SU connections and share the 5 Mbps data throughput efficiently. Bandwidth allocation is managed by the AP’s SMARTPolling™...

  • Page 7: Section 2 Hardware Overview

    Section 2 Hardware Overview This section provides detail about each radio in the M2400S family. Each radio in the M2400S family includes a built-in, electronically switchable, dual-polarized antenna, as well as a reverse polarity SMA connector for the attachment of an external antenna. For ease of installation all units are designed for outdoor installation and powered by power-over-Ethernet (POE).

  • Page 8: Section 3 Getting Started

    This section explains how to power your radios, establish TCP/IP connectivity to the radios, as well as how to access the HTTP browser and the command line interfaces. Connections and Power Connection and powering of radios is the same for APs and SUs. Trango Broadband Wireless — User Manual M2400S Rev. A Trango Broadband Wireless M24000S-AP Rev. A...

  • Page 9: Radio Management Concepts

    Likewise, computers connected to the SU can manage the AP, provided that switch 7 (TCP/IP access to AP from SU) is enabled on the AP. Switches will be covered later in this text. Trango Broadband Wireless — User Manual M2400S Rev. A AC POWER...

  • Page 10: Switch Settings

    Passwords In order to log into an M2400S radio (either through telnet or through the web browser interface), the user must know the IP address and password. Both AP’s and SU’s feature two levels of passwords: Read Write (RW) and Read Only (RO).

  • Page 11: Browser Interface Login Page

    NOTE: Login pages for AP and SU are similar. Browser Interface Login Page Type the password (default trango) and continue. This will bring up the radio’s system information page. Trango Broadband Wireless — User Manual M2400S Rev. A Page...

  • Page 12: Primary Features And Pages Of The Browser Interface

    Site Survey: With Opmode “OFF,” the user can conduct a spectrum analysis using this page. Subscriber Database: This is the page for defining which SUs can associate to the AP. Trango Broadband Wireless — User Manual M2400S Rev. A Page...

  • Page 13: Command Line Interface

    <<suid>|all> <cir dn> <cir up> <mir dn> <mir up> sudb defaultcirmir [<cir dn> <cir up> <mir dn> <mir up>] sudb delete <<suid>|all> sudb dload sudb gid <<suid>|all> <0..15> sudb view survey <time, 1..10 sec> <antenna, h|v|e> Trango Broadband Wireless — User Manual M2400S Rev. A Page...

  • Page 14: Troubleshooting

    PC’s subnet is routable to radio’s IP address. If you still cannot access the radio’s management interfaces, consult the troubleshooting guide, which is available at www.trangobroadband.com in the Technical Support area of the website. Trango Broadband Wireless — User Manual M2400S Rev. A Page...

  • Page 15: Section 4 Basic Configuration Via Browser Interface

    Evaluate Link Quality The M2400S uses the concept of “association” to indicate that the AP and SU’s are communicating. If all parameters are properly set, the AP will begin actively searching for the SU’s in its SUDB. Once an active SU is detected, the authentication and association process will begin.

  • Page 16: Creating An Su In The Su Database

    7. MIR up (SU to AP Maximum Information Rate) is the maximum upstream bandwidth for the SU in Kbps. 8. MIR dn (AP to SU Maximum Information Rate) is the maximum downstream bandwidth for the SU in Kbps. Trango Broadband Wireless — User Manual M2400S Rev A Page...

  • Page 17: Configure Other Basic Ap Parameters

    Is the current channel and antenna polarization of the unit when in Opmode "ON." To configure the AP’s other basic settings, complete the following steps: 1. Connect to the AP (see Getting Started) and open the Configuration page. Trango Broadband Wireless — User Manual M2400S Rev A Page...
  • Page 18 After reboot, the AP will automatically enter its default Opmode, after approximately 40 seconds. At this time it will begin actively searching for all SUs in its SUDB. Once an active SU is detected, the authentication and association process will begin. Trango Broadband Wireless — User Manual M2400S Rev A Page...

  • Page 19: Configure Basic Su Parameters

    Allow approximately 60 seconds for the radios to complete the boot-up cycle and to associate. If the AP is busy servicing many SUs, the association process may take slightly longer. Trango Broadband Wireless — User Manual M2400S Rev A Page...

  • Page 20: Link Control Page

    The radio’s firmware includes several useful tools to assist in determining which SUs are associated, and the quality of each link. One method for verifying link quality is by using the Link Control page. Trango Broadband Wireless — User Manual M2400S Rev A ASSOCIATION LED (GREEN) Blinking once every second in Opmode "OFF"...

  • Page 21: Rf Link Loopback Test

    The test is prioritized, so it will take precedence over all other traffic. 1600 byte packets are sent and received between the SU and AP at 50 millisecond intervals over the time specified. Trango Broadband Wireless — User Manual M2400S Rev A Page...

  • Page 22: Su Ranging Test

    Target RSSI from SU: Used by the powerleveling process to automatically adjust the RF output power level of all SUs in a sector so the signal strength from each SU, as measured at the AP, will be roughly equal. Trango Broadband Wireless — User Manual M2400S Rev A Page...

  • Page 23: Other Key Parameters

    MIR Threshold: Shown in Mbps (0..5) Maximum Information Rate (MIR) Threshold. The MIR Threshold is the aggregate throughput of the AP at which the AP will start to enforce CIR rules for the SUs. Trango Broadband Wireless — User Manual M2400S Rev A Page...

  • Page 24: Site Survey Page

    Click "Start Survey." A survey of the default 8 channels will be performed. Results are reported in dBm per channel as average and peak. A channel is reported to be "Clear" if the peak and average are below the RF RX Threshold by more than 8 dB. Trango Broadband Wireless — User Manual M2400S Rev A Page...

  • Page 25: Basic Configuration Via Cli

    Specifies the cell or cluster to which the AP belongs. Base ID must match in AP and SU in order to establish a wireless link. Trango Broadband Wireless — User Manual M2400S Rev A Related CLI Command set baseid <baseid> Example: #>set baseid aa12...
  • Page 26 (such as new firmware). Default is off. TFTPD will revert to Off after rebooting. Trango Broadband Wireless — User Manual M2400S Rev A Related CLI Command set apid <apid> (00-FF in HEX) Example: #>set apid 33 opmode on y This sets the radio to Opmode “ON.”...
  • Page 27 SU to SU This software switch (3) enables/disables the SU to SU feature. When SU to SU is turned on, multiple SU’s within Trango Broadband Wireless — User Manual M2400S Rev A Related CLI Command mirth [<0..3, Mbps>] Example: #>mirth 2 freq [<ch#>...

  • Page 28: Subscriber Unit Database Settings

    <suid | all> <cir dn> <cir up> <mir dn> <mir up> Example: #>sudb cirmir 5 128 256 5000 5000 Trango Broadband Wireless — User Manual M2400S Rev A Related CLI Command sw 7 [<on|off>] (default is on) Example: #>sw 7 off...

  • Page 29: Subscriber Unit Basic Settings

    [ARQ RF Tx Retry] 0 [ARQ RF Tx Retry Maxed Out] 0 Many of these parameters can be changed by the user. A description of each of these changeable parameters, along with the related command, is shown in the table below. Trango Broadband Wireless — User Manual M2400S Rev A Page...
  • Page 30 Active Channel Shows the channel used in the current association, and "Associated" or "Disconnected" depending on the association status. Trango Broadband Wireless — User Manual M2400S Rev A Related CLI Command set baseid <baseid> Example: #>Set baseid aa12 targetap <apid>...
  • Page 31 Eth TX Eth RX received, traffic in kilobits per second. Trango Broadband Wireless — User Manual M2400S Rev A Related CLI Command #>freq 3 This command will change the channel of the AP to 3. Use the antenna command to select an antenna polarization.

  • Page 32: Section 5 Mounting Hardware

    5/16 Keps Nut "V" Bracket Mono Pod Mount (Not Supplied) Figure 8: M2400S Mounting Hardware Assembly Figure 9: Articulation for M2400S with Mono Pod Mount (not supplied) Trango Broadband Wireless — User Manual M2400S Rev A Not Supplied QTY. U p / D o w n T i l t...

  • Page 33: Cabling And Grounding Considerations

    Leave approximately 1 mm around the Cat-5. It is important to provide strain relief and drip loop for STP Cat-5 cables. Do not mount the radio upside down. Trango Broadband Wireless — User Manual M2400S Rev A Figure 10: Grounding of Radio...

  • Page 34: Section 6 Deployment

    If it is not possible to use a clean channel/polarization combination, there are various methods available to mitigate the affects of interference. These methods include the use of the RFRX THRESHOLD settings, the use of external shields, and/or external narrower beam antennas. Trango Broadband Wireless — User Manual M2400S Rev A Page...

  • Page 35: Ap Search And Su Antenna Alignment

    Once the AP is installed and aligned in the correct general direction, it is time to install the SU. The hardware installation of the SU is identical to the AP, including considerations for line-of-sight, cable distances, cable type, weather sealing, and grounding. Trango Broadband Wireless — User Manual M2400S Rev A In this example of a survey on the vertical polarization...
  • Page 36 Once you are satisfied with the RSSI reading, tighten down the SU in the optimum position. To stop the RSSI continuous readout hit SPACE ENTER. Trango Broadband Wireless — User Manual M2400S Rev A In this example, an AP is detected on channel 1 with polarization horizontal.

  • Page 37: Link Management Commands

    Example: #> su ping 1 [#Begin] Trango Broadband Wireless — User Manual M2400S Rev A Note: RSSI tool (telnet or LEDs) will show all RF energy on a given freq. i.e. – a nearby SU on the same freq. passing traffic may give the appearance of a strong signal from your AP when in fact it is not and cause a misalignment.
  • Page 38 2 [AP Tx] 100 [AP Rx] 100 [AP RxErr] 0 [SU Tx] 100 [SU Rx] 100 [SU RxErr] 0 5 00 ms 5120 kbps 3 [AP Tx] 100 [AP Rx] 100 [AP RxErr] 0 [SU Tx] 100 [SU Rx] 100 [SU RxErr] 0 5 00 ms 5120 kbps Trango Broadband Wireless — User Manual M2400S Rev A Page...
  • Page 39 As another example, a result of 20..10..18 would indicate 20 packets sent from the AP, 18 packets received at the SU, and 10 packets received back to the AP. These types of results may be caused by Fresnel zone infringements, interference, or multi-path. Trango Broadband Wireless — User Manual M2400S Rev A Page...

  • Page 40: Arq With Selected Repeat And Multirate Feature

    Radio Management Access Via TCP/IP The IP Address of an M2400S radio is for management purposes only. The IP address is not used for routing purposes or passing traffic. Users should take care to set appropriate IP schemes for all management activities including upgrading the radio’s firmware.

  • Page 41: Loading Multiple Su's Into Sudb Using Dload Command

    ---------------------------------------------------- pr priority/regular user ------------------------------------------------------- su id (1..127) Telnet into the AP, and run the command tftpd on to enable tftp process. Trango Broadband Wireless — User Manual M2400S Rev A --- End of file indicator ----------------- MAC Address ----------------------- Reserved (should be 0000)

  • Page 42: Snmp

    Users interested in using the SNMP functionality should review the entire M2400S MIB for a complete understanding of its features. The M2400S MIB is available for download at: http://www.trangobroadband.com/support/downloads.htm The following is an overview of a few of the more commonly used SNMP objects in the M2400S system. Objects for Monitoring and Control SU Bandwidth Monitoring •...
  • Page 43 To send traps from the AP set the following: • trap destination IP (Trango MIB object trapconfig–trapconfigInfo) • trap community string (Trango MIB object trapconfig–aptrpTable-AptrpEntry) • enable each trap (Trango MIB object traponfig–aptrpTable-AptrpEntry) Trango Broadband Wireless — User Manual M2400S Rev A Page...

  • Page 44: Appendix A Command Set Reference

    [<y>] password <rw|ro> <new pwd> <new pwd> ping <ip address> power power set <min|max|<dBm> Trango Broadband Wireless — User Manual M2400S Rev. A Command Set Reference Radio Description AP/SU Display complete list of commands and syntax AP/SU...
  • Page 45 <min, 1..60> su password <suid | all> <rw | ro> <new password> <new password> su <all | suid> su info <suid> Trango Broadband Wireless — User Manual M2400S Rev. A Radio Description Display current PPPoE filter setting Change PPPoE filter setting With PPPoE filter set to ON, only PPPoE packets will pass Default: off –...
  • Page 46 <mac1, hex> [<mac2, hex>] targetrssi targetrssi <dBm, -90..-50> Trango Broadband Wireless — User Manual M2400S Rev. A Radio Description 22. Remarks 23. RF TX retry at AP, RF TX retry maxed out at AP RF TX retry at SU, RF TX retry maxed out at SU...
  • Page 47 <on | off> updateflash <systemsetting | ss> updateflash <mainimage | fpgaimage> <current chscksum> <new checksum> updateflash sudb Trango Broadband Wireless — User Manual M2400S Rev. A Radio Description default = -60 AP/SU display current TFTPD status (status is either on or off) This command will also list any contents of the TFTP buffer.

  • Page 48: Appendix B Specifications

    Appendix B Specifications All specifications apply to M2400S-AP and M2400S-SU unless otherwise noted. Radio Transmit Specifications Storable Channels: 8 memory locations Agility: 2405 to 2475 MHz in 1 MHz increments Default channels- Channel 1: 2405 MHz Channel 2: 2415 MHz...
  • Page 49 100 % when sealed properly NEMA Rating: NEMA 4 Shock: Sustain 3 axis drop from 5 feet Standard External Power Supply 20 Volt DC Power adapter and J-Box supplied with product. Trango Broadband Wireless — User Manual M2400S Rev. A Page...
  • Page 50 +15 +/- 1 dBiL Az Beamwidth: 32 degrees (3 dB pts) El Beamwidth: 18 degrees (3 dB pts) Cross Pol: >15 dB Front/Back Ratio: 12 dB VSWR: < 2.0:1 over bandwidth Trango Broadband Wireless — User Manual M2400S Rev. A Page...

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