Tahoe 289 User Manual

E3/t3/ethernet bridge

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Tahoe 289
E3/T3/Ethernet Bridge

User Manual

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Summary of Contents for Tahoe 289

  • Page 1: User Manual

    Tahoe 289 E3/T3/Ethernet Bridge User Manual...
  • Page 3 Tahoe 289 E3/T3/Ethernet Bridge User Manual...
  • Page 4 SUBJECT TO CHANGE WITHOUT NOTICE. ALL STATEMENTS, INFORMATION AND RECOMMENDA- TIONS IN THIS MANUAL ARE BELIEVED TO BE ACCURATE, BUT ARE PRESENTED WITHOUT WAR- RANTY OF ANY KIND, EXPRESSED OR IMPLIED, AND TAHOE MAKES NO COMMITMENT TO UPDATE THE INFORMATION CONTAINTED HERE.
  • Page 5: Safety Instructions

    Tahoe 289 E3/T3/Ethernet Bridge Safety Instructions Read the following safety notices before installing or operating the device: This warning symbol means danger. You are in a situation that could cause bodily injury. Before you work on any equipment, be aware of the hazards involved with electrical circuitry and be familiar with standard practices for preventing accidents.
  • Page 6: Table Of Contents

    Tahoe 289 E3/T3/Ethernet Bridge Contents Introduction........................... 1 G.703 interface ............................1 Ethernet interface ..........................2 LED indicators ............................2 Management..........................3 LCD Menu ............................. 3 Serial Console ............................3 Control.and.settings........................5 G.703 settings ............................5 Ethernet settings ........................... 6 Advanced options ..........................
  • Page 7: About This Manual

    Preface About this Manual This manual contains following chapters: Chapter 1, Introduction An overview of Tahoe 289 Chapter 2, Management The ways to access and manage the device Chapter 3, Control and Settings The device settings available for the user...
  • Page 8: Document Conventions

    Tahoe 289 E3/T3/Ethernet Bridge Document Conventions This manual uses following conventions: boldface.font Commands and keywords < > Required arguments Optional arguments { a | b | c } Alternative arguments [ a | b | c ] Alternative optional arguments...
  • Page 9: Introduction

    Tahoe 289 E3/T3/Ethernet Bridge Introduction Tahoe® 289 bridges allow connecting two LANs over an E3 / T3 (DS3) line. They are a cost-effective alternative to expensive E3 / T3 routers. Bridges are transparent, that is both interconnected networks appear as a single LAN, as if both were plugged into the same Ethernet switch.
  • Page 10: Ethernet Interface

    Tahoe 289 E3/T3/Ethernet Bridge Ethernet interface The Ethernet interface used for local network (LAN) connection. It may work at speeds of 10 Mbps (10Base-T) or 100 Mbps (100Base-Tx), in full-duplex or half-duplex mode. The mode of operation is selected automatically, although a specific setting can be forced. An Automatic flow control is supported while in full-duplex mode.
  • Page 11: Management

    Tahoe 289 E3/T3/Ethernet Bridge Management The Tahoe 289 bridge is equipped with an LCD display/keypad and a serial console (RS232) con- nector. Both give equivalent access to device settings and statistics. All setting adjustments take immediate effect. Settings have to be saved before restart with the “Save setting”...
  • Page 12: Ethernet Settings

    Ethernet state 100BaseT-FD MDIX Uptime 0d 00h07m48s Version HW:B FW:1.0.3 0d 00:00:00 Tahoe 289 Rev:B Ver:1.0.3 0d 00:00:00 built Jan 14 2008 15:02:38 0d 00:00:00 Factory defaults loaded. 0d 00:00:01 G703 link up 0d 00:00:03 Ethernet link up arrows Navigate...
  • Page 13: Control.and.settings

    Tahoe 289 E3/T3/Ethernet Bridge Control and settings Device settings are available from the LCD menu and through the serial console. G.703 settings Serial E3 / T3 (DS3) interface settings. Committed Information Rate. Limits the transmit data rate to a specified value from 512kbps up to full link throughput in 512kbps steps.
  • Page 14: Ethernet Settings

    Tahoe 289 E3/T3/Ethernet Bridge Loopback Enables serial loop back (for testing purposes). The following modes are available:  Local local loop back  Remote (line) remote loop back (not using framer)  Remote (frame) remote loop back (using framer) This setting is not saved.
  • Page 15: Advanced Options

    Disabling POST may shorten startup time. The recommended setting is Enabled. Factory defaults Loads the factory default settings. Upgrade Enters the firmware upgrade mode. Check Tahoe web site for updates. Reset counters Resets frame and error counters. Restore settings Restores previously saved settings.
  • Page 16: Save Settings

    Tahoe 289 E3/T3/Ethernet Bridge Save settings Stores settings to nonvolatile memory. Reboot Reboots the device.
  • Page 17: Statistics

    Tahoe 289 E3/T3/Ethernet Bridge Statistics The following bridge statistics are available from the LCD menu and through the serial console. Name Description Total data rate Total data rate used in kbps. Tx data rate Transmit data rate used in kbps.
  • Page 18 Tahoe 289 E3/T3/Ethernet Bridge...
  • Page 19: Appendix.a,.Troubleshooting

    Tahoe 289 E3/T3/Ethernet Bridge Appendix A, Troubleshooting Problem Possible solutions Serial interface is connected  Make sure Rx and Tx connectors are not swapped. Make sure a but there is no link link partner is connected and properly configured WAN link is detected at only ...
  • Page 20: Appendix.b,.Technical.specification

    Tahoe 289 E3/T3/Ethernet Bridge Appendix B, Technical Specification 34.368 Mbps throughput T3 (DS3) 44.736 Mbps memory 16MB, SDRAM @100MHz G.703 (Rx, Tx) 2x BNC, unbalanced 75 Ohm connectors Ethernet RJ45 Console DB-9/M network protocols HDLC Ethernet interface 10/100Base-T, RJ45 connector...
  • Page 21: Appendix.c,.Declaration.of.conformity

    Tahoe 289 E3/T3/Ethernet Bridge Appendix C, Declaration of Conformity TAHOE Piotr Kaczmarzyk ul. Hercena 3/5 50-453 Wrocław We declare that the product Tahoe 289 complies with the regulations of the following European Directives:  73/23/EEC low voltage safety requirements  89/336/EEC EMC requirements ...
  • Page 22 Tahoe 289 E3/T3/Ethernet Bridge...
  • Page 24 Hercena 3-5 50453 Wrocław, Poland phone: +48 71 344 26 37, fax: +48 71 344 26 42 www.tahoe-group.com...

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