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Cabletron Systems BRIM-E6 User Manual

Bridge/router interface module
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BRIM-E6
USER'S GUIDE
CABLETRON SYSTEMS, P. O. Box 5005, Rochester, NH 03866-5005

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  • Page 1 BRIM-E6 USER’S GUIDE CABLETRON SYSTEMS, P. O. Box 5005, Rochester, NH 03866-5005...
  • Page 2 LANVIEW is a registered trademark of Cabletron Systems, Inc. MicroMMAC and BRIM are trademarks of Cabletron Systems, Inc. Windows is a registered trademark of Microsoft Corp. Ethenet is a trademark of Xerox Corp. CompuServe is a registered trademark of CompuServe Printed On Recycled Paper BRIM-E6 USER’S GUIDE...

  • Page 3: Fcc Notice

    Department of Communications. Le présent appareil numérique n’émet pas de bruits radioélectriques dépassant les limites applicables aux appareils numériques de la class A prescrites dans le Règlement sur le brouillage radioélectrique édicté par le ministère des Communications du Canada. BRIM-E6 USER’S GUIDE...

  • Page 4: Program License Agreement

    TO YOU BY CABLETRON IN WRITING, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABLITY AND FITNESS FOR A PARTICULAR PURPOSE, WITH RESPECT TO THE PROGRAM, THE ACCOMPANYING WRITTEN MATERIALS, AND ANY ACCOMPANYING HARDWARE. BRIM-E6 USER’S GUIDE...

  • Page 5: United States Government Restricted Rights

    7013 (c) (1) (ii) and its successors, and use, duplication, disclosure by the Government is subject to restrictions as set forth in subparagraph (c) (1) (ii) of the Rights in Technical Data and Computer Software clause at 252.227-7013. Cabletron Systems, Inc., 35 Industrial Way. Rochester, New Hampshire 03867 BRIM-E6 USER’S GUIDE...

  • Page 6: Table Of Contents

    RELATED MANUALS... 6 CHAPTER 2 INSTALLATION UNPACKING THE BRIM ... 7 INSTALLING BRIMs... 7 2.2.1 Installing a BRIM-E6 in a MIM ... 8 2.2.2 Installing a BRIM in a Hub ... 10 2.2.3 Installing an EPIM into the BRIM... 11 CHAPTER 3 CONNECTING TO THE NETWORK CONNECTING THE BRIM TO THE NETWORK...
  • Page 7 CABLE REQUIREMENTS ...31 B.1.1 10BASE-T UTP and STP Cable Requirements ...31 B.1.2 FOIRL/10BASE-FL Multimode Fiber Optic Cable Requirements...33 B.1.3 FOIRL/10BASE-FL Single Mode Fiber Optic Cable Requirements...34 B.1.4 10BASE-2 Thin-net Cable Requirements ...35 B.1.5 AUI Cable Requirements ...36 INDEX BRIM-E6 USER’S GUIDE...

  • Page 8: Connecting To The Network

    Read through this manual completely to familiarize yourself with its content and to gain an understanding of the features and capabilities of the BRIM-E6. A general working knowledge of Ethernet, and IEEE 802.3 type data communications networks and their physical layer components is helpful when using the BRIM-E6.

  • Page 9: Getting Help

    CHAPTER 1: INTRODUCTION 1.2 GETTING HELP If you need additional support related to the BRIM-E6, or if you have any questions, comments, or suggestions concerning this manual, contact Cabletron Systems Technical Support: By phone ...(603) 332-9400 Monday-Friday; 8am - 8pm EST ®...

  • Page 10: Media Type

    EPIM Connectivity EPIMs allow you to configure the BRIM-E6 to support a variety of media types. Cabletron Systems offers the EPIMs shown in Table 1-1. EPIM EPIM-A EPIM-C 10BASE-2 Thin Coaxial EPIM-T 10BASE-T Unshielded Twisted Pair EPIM-X Standard Transceiver EPIM-F1...

  • Page 11: Ethernet Bridging

    Bridges dynamically learn the physical location of devices by logging the source addresses of each packet and the bridge port the packet was received on in a table called the Source Address Table (SAT). Page 4 BRIM-E6 USER’S GUIDE...
  • Page 12 Bridge 1 Configuration BPDUs. Once Bridge 1 is sure there are no data loops, Bridge 1 comes on-line and normal network operations will resume. This process is called spanning. BRIM-E6 USER’S GUIDE Page 5...

  • Page 13: Related Manuals

    Cabletron Systems’ EMM-E6 Installation Guide Cabletron Systems’ EMM-E6 Local Management Guide Cabletron Systems’ ESXMIM Installation Guide Cabletron Systems’ ESXMIM Local Management Guide Cabletron Systems’ MicroMMAC User’s Guide Cabletron Systems’ NBR-620/420/220 Installation Guide Cabletron Systems’ NBR-620/420/220 Local Management Guide Page 6 BRIM-E6 USER’S GUIDE...

  • Page 14: Chapter 2: Installation

    This chapter contains instructions for installing your BRIM-E6 into a Media Interface Module (MIM) or stand-alone product. It also explains how to install an EPIM into the BRIM-E6. Caution: Observe all static precautions while handling MIMs and EPIMs. 2.1 UNPACKING THE BRIM Unpack the BRIM as follows: 1) Remove the shipping box material covering the BRIM.

  • Page 15: Installing A Brim-E6 In A Mim

    CHAPTER 2: INSTALLATION 2.2.1 Installing a BRIM-E6 in a MIM To install a BRIM-E6 in a MIM that supports BRIM technology (e.g., EMM-E6 or ESXMIM): Note: We recommend that you power-down your hub even though Cabletron MIMs have “hot swap” capabilities.
  • Page 16 6. Place your BRIM behind the MIM face plate. (See Figure 2-2.) Figure 2-2. Installing the BRIM 7. Insert the connector pins of the BRIM-E6 into the mother board connector on the MIM. 8. Press down firmly on the back of the BRIM until the pins slide all the way into the connector holes.

  • Page 17: Installing A Brim In A Hub

    CHAPTER 2: INSTALLATION 2.2.2 Installing a BRIM in a Hub To install a BRIM-E6 into a stand-alone hub that supports BRIM technology (e.g., MicroMMAC or NBR-620): 1. Power-down your hub. 2. Disconnect all cables from the hub. Note the ports to which these cables attach.

  • Page 18: Installing An Epim Into The Brim

    To install an EPIM into the BRIM: 1. Slide the EPIM into the BRIM slot. See Figure 2-3. BRIM-E6 Figure 2-3. Installing an EPIM into the BRIM-E6 2. Press the EPIM connector firmly into the connector on the BRIM. 3. Tighten the EPIM screw.

  • Page 19: Connecting To The Network

    CONNECTING TO THE NETWORK This chapter outlines the procedure for connecting the BRIM-E6 to a network. 3.1 CONNECTING THE BRIM TO THE NETWORK The procedure for connecting network segments to the BRIM-E6 depends on which EPIM you install. Refer to the following list and perform the procedure described in the subsections that apply to your configuration:...

  • Page 20: Chapter 3: Connecting To The Network

    Check that the crossover switch is in the correct position. If a link still has not been established, contact Cabletron Systems Technical Support. Page 14 Position = (not crossed over) 5. NC 1. TX+ 2. TX- 6. RX- 3. RX+ 7. NC 4. NC 8. NC BRIM-E6 USER’S GUIDE...

  • Page 21: Connecting A Fiber Optic Link Segment To An Epim-F1, Epim-F2, Or Epim-F3

    If you did not purchase your cable from Cabletron Systems, be sure you label your cable as described above. BRIM-E6 USER’S GUIDE CONNECTING THE BRIM TO THE NETWORK Page 15...
  • Page 22 2. Attach the fiber labeled 1 to the applicable receive port, labeled RX, on the module. See Figure 3-2. SMA 905 Connectors Figure 3-2. The EPIM-F1, EPIM-F2 and EPIM-F3 Page 16 SMA 906 Connectors w/ Half Alignment Sleeves ST Connectors ST Connectors BRIM-E6 USER’S GUIDE...

  • Page 23: Connecting A Thin-Net Segment To An Epim-C

    The on position (•) if the thin-net segment connected directly to the port will be internally terminated at the port. • The off position (o) if the thin-net segment will not be terminated at the port or externally terminated. BRIM-E6 USER’S GUIDE CONNECTING THE BRIM TO THE NETWORK Page 17...
  • Page 24 Connect a terminated thin-net segment to other female connector of tee-connector. Page 18 Attach thin-net segment directly to BNC connector when internal termination switch is set to on ( ). Figure 3-3. The EPIM-C BRIM-E6 USER’S GUIDE...

  • Page 25: Connecting An Aui Cable To An Epim-A

    Caution: Ensure that the external transceiver to which the BRIM-E6 will be connected does not have the signal quality error (SQE or “heartbeat”) test function enabled. The BRIM-E6 will not operate if the E P I M - A transceiver has the SQE test function enabled, and the network will be unusable.

  • Page 26: Connecting An Aui Cable To An Epim-X

    Appendix A. b. Check the cable for continuity. Reconnect the AUI cable to the BRIM-E6 and the device. If the LED is still not on after reconnecting the segment, contact Cabletron Systems Technical Support.

  • Page 27: Finishing The Installation

    The BRIM-E6 is now ready for operation. Before placing the network into service, test the installation thoroughly, making sure that you can address all stations and that the BRIM-E6 and all stations are indicating normal operation. Ensure that the networking software is configured properly to match the installed network.

  • Page 28: Chapter 4 Using The Lanview Leds

    On - A collision has occurred on the BRIM port. • Off - No activity. 4.4 RCV (Receive) • On - The BRIM port is receiving packets. • Off - No activity. BRIM-E6 USER’S GUIDE CHAPTER 4 Figure 4-1. LANVIEW LEDS BRIM-E6 Page 23...

  • Page 29: Appendix A: Epim Specifications

    Position = (not crossed over) 1. TX+ 2. TX- 3. RX+ 4. NC Figure A-1. Cross-over Switch on the EPIM-T BRIM-E6 USER’S GUIDE APPENDIX A Cabletron Systems TPT 10BASE-T Twisted Pair Transceiver 8 Pin RJ-45 Jack 5. NC 6. RX- 7.

  • Page 30: Epim-F1 And Epim-F2 (Multimode Fiber Optic Ports)

    Page 26 Cabletron Systems FOT-F™ Fiber Optic Transceiver EPIM-F1: SMA fiber optic ports EPIM-F2: ST fiber optic ports -29.5 dBm -8.2 dBm -13.0 dBm -10.0 dBm -7.0 dBm Better than 10 BRIM-E6 USER’S GUIDE...

  • Page 31: Epim-F3 (Single Mode Fiber Optic Port)

    Note: Transmitter power is inversely proportional to temperature rise. Use the Output Power Coefficient to calculate increased or decreased power output for your operating environment. For example, typical BRIM-E6 USER’S GUIDE EPIM-F3 (SINGLE MODE FIBER OPTIC PORT) Cabletron Systems FOT-F3™...
  • Page 32 Power Meter to correctly compare the above values to those you measure on any particular port. If you measure Power Levels with an Average Page 28 Typical -15.1 dBm 14.4 dBm -29.5 dBm -6.99 dBm Better than BRIM-E6 USER’S GUIDE...

  • Page 33: Epim-C (Bnc Port)

    Connector Type: Internal Termination Switch Figure A-4. EPIM-C (with BNC Port) Termination: Grounding: BRIM-E6 USER’S GUIDE Cabletron Systems TMS-3™ Transceiver BNC receptacle, with gold center contact, for use with BNC type tee-connectors and RG-58 thin-net cable. = On (internally terminated)

  • Page 34: Epim-A And Epim-X (Aui Ports)

    No Connection Logic Ref. Connector Shell: Page 30 DB-15 (15 position D type receptacle) EPIM-A: Female Connector EPIM-X: Male Connector Protective Ground BRIM-E6 USER’S GUIDE Collision - Transmit - Logic Ref. Receive - Power (+12 Vdc) Logic Ref. No Connection...

  • Page 35: B.1 Cable Requirements

    However, cable quality largely determines maximum link length. If you use high quality, low attenuation cable, you can achieve link lengths of up to 200 meters. Cable delay limits maximum link length to 200 meters, regardless of the cable type. BRIM-E6 USER’S GUIDE Page 31...
  • Page 36 Generally, the user need not be concerned about noise. If noise-related data errors are suspected, it may be necessary to either reroute the cable or eliminate the source of the impulse noise. Page 32 BRIM-E6 USER’S GUIDE...

  • Page 37: Foirl/10Base-Fl Multimode Fiber Optic Cable Requirements

    fiber optic cable runs are incorporated in any network design. Fiber optic budget is the combination of the optical loss due to the fiber optic cable, in-line splices, and fiber optic connectors. BRIM-E6 USER’S GUIDE Attenuation Maximum Cable Length The maximum allowable fiber optic cable length is 2 km (2187.2 yards).

  • Page 38: Foirl/10Base-Fl Single Mode Fiber Optic Cable Requirements

    Maximum Cable Length 10.0 dB or less The maximum allowable fiber optic cable length is 5 km (3.1 miles) with bridges at each segment end. However, IEEE 802.3 FOIRL specifications specify a maximum of 1 km (1093.6 yards). BRIM-E6 USER’S GUIDE...

  • Page 39: 10Base-2 Thin-Net Cable Requirements

    For safety, ground only one end of a thin-net segment. Do NOT connect EPIM BNC ports to earth ground. Warning: Connecting a thin-net segment to earth ground at more than one point could produce dangerous ground currents. BRIM-E6 USER’S GUIDE Page 35...

  • Page 40: Aui Cable Requirements

    The AUI Cable must not exceed 50 meters in length. If 28 AWG thin office drop AUI cable is used, then the maximum cable length is limited to 50 feet (15.24 meters). Grounding The connector shell of the EPIM-A and the EPIM-X are connected to ground. Page 36 BRIM-E6 USER’S GUIDE...
  • Page 41 EPIM-F2 EPIM-F3 EPIM-T EPIM-X Ethernet Bridging Overview Spanning Tree Algorithm Spanning Tree Operation INDEX Installation Installing a BRIM in a Hub Installing a BRIM-E6 in a Installing an EPIM into the LANVIEW LEDS MIB Support Safety and Approvals BRIM Index-1...

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