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Enterasys Networks BRIM-E6 manual

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Table of contents for the manual

  • Page 1

    BRIM-E6 USER’S GUIDE CABLETRON SYSTEMS, P. O. Box 5005, Rochester, NH 03866-5005[...]

  • Page 2

    BRIM-E6 USER’S GUIDE i NO TICE Cabletron Systems reserves the right to make changes in specifications and other information contained in this document without prior notice. The reader should in all cases consult Cabletron Systems to determine whether any such changes ha ve been made. The hardware, firmware, or softw are described in this manual[...]

  • Page 3

    NOTICE ii BRIM-E6 USER’S GUIDE FCC NO TICE This device complies with P art 15 of the FCC rules. Operation is subject to the following two conditions: (1) this de vice may not cause harmful interference, and (2) this device must accept any interference recei ved, including interference that may cause undesired operation. NO TE: This equipment has [...]

  • Page 4

    NOTICE BRIM-E6 USER’S GUIDE iii CABLETRON SYSTEMS, INC. PROGRAM LICENSE A GREEMENT IMPOR T ANT : Before utilizing this product, carefully read this License Agreement. This document is an agreement between you, the end user , and Cabletron Systems, Inc. (“Cabletron”) that sets forth your rights and obligations with respect to the Cabletron sof[...]

  • Page 5

    NOTICE iv BRIM-E6 USER’S GUIDE 2. NO LIABILITY FOR CONSEQ UENTIAL D AMA GES. IN NO EVENT SHALL CABLETR ON OR ITS SUPPLIERS BE LIABLE FOR ANY D AMAGES WHA TSOEVER (INCLUDING, WITHOUT LIMIT A TION, DAMA GES FOR LOSS OF BUSINESS, PR OFITS, BUSINESS INTERR UPTION, LOSS OF BUSINESS INFORMA TION, SPECIAL, INCIDENT AL, CONSEQUENTIAL, OR RELIANCE D AMAGE[...]

  • Page 6

    BRIM-E6 USER’S GUIDE v T ABLE OF CONTENTS CHAPTER 1 INTRODUCTION 1.1 USING THIS MANUAL ................................................................... 1 1.2 GETTING HELP ............................................................................. 2 1.3 BRIM-E6 OVERVIEW..................................................................... 2 1.[...]

  • Page 7

    CONTENTS vi BRIM-E6 USER’S GUIDE APPENDIX A EPIM SPECIFICATIONS A.1 EPIM-T (10BASE-T TWISTED PAIR PORT) ................................ 25 A.2 EPIM-F1 AND EPIM-F2 (MULTIMODE FIBER OPTIC PORTS) .. 26 A.3 EPIM-F3 (SINGLE MODE FIBER OPTIC PORT) ......................... 27 A.4 EPIM-C (BNC PORT) ......................................................[...]

  • Page 8

    BRIM-E6 USER’S GUIDE Page 1 CHAPTER 1 INTR ODUCTION W elcome to the Cabletron Systems BRIM-E6 User’s Guide . This manual explains ho w to install the Bridge/Router Interface Module (BRIM) for Ethernet into Cabletron products that support BRIM technology (e.g., the EMM-E6 or MicroMMAC). It also explains BRIM-E6 features and specifications. 1.1 U[...]

  • Page 9

    CHAPTER 1: INTRODUCTION Page 2 BRIM-E6 USER’S GUIDE 1.2 GETTING HELP If you need additional support related to the BRIM-E6, or if you hav e an y questions, comments, or suggestions concerning this manual, contact Cabletron Systems T echnical Support: By phone .......................... (603) 332-9400 Monday-Friday; 8am - 8pm EST By CompuServe ® [...]

  • Page 10

    BRIM-E6 SPECIFICATIONS BRIM-E6 USER’S GUIDE Page 3 EPIM Connectivity EPIMs allo w you to configure the BRIM-E6 to support a v ariety of media types. Cabletron Systems of fers the EPIMs shown in T able 1-1. 1.5 BRIM-E6 SPECIFICATIONS The operating specifications for the BRIM-E6 are described in this section. Cabletron Systems reserves the right [...]

  • Page 11

    CHAPTER 1: INTRODUCTION Page 4 BRIM-E6 USER’S GUIDE 1.6 ETHERNET BRIDGING Bridging Overview Ethernet bridges read in packets and make decisions to filter or forw ard based on the destination address of the packet. The simple filter/forward decision process allo ws a bridge to segment traf fic between two networks, keeping local traf fic local[...]

  • Page 12

    ETHERNET BRIDGING BRIM-E6 USER’S GUIDE Page 5 As with repeaters, IEEE recommends a maximum number of bridges that can be in a signal path. W ith repeaters we are able to ha v e a signal path of 4 repeaters, 5 segments. W ith bridges we can hav e a signal path of 7 bridges, 8 networks. The bridge count includes both local and remote bridges. Spann[...]

  • Page 13

    CHAPTER 1: INTRODUCTION Page 6 BRIM-E6 USER’S GUIDE If Bridge 2 fails to recei ve the Bridge 1 BPDUs during the period defined by "Hello T ime", Bridge 2 will initiate a re-span by transmitting a topology change BPDU and e v entually come on line to carry the netw ork load. Bridges using ST A can be utilized to create very fault tolera[...]

  • Page 14

    BRIM-E6 USER’S GUIDE Page 7 CHAPTER 2 INST ALLA TION This chapter contains instructions for installing your BRIM-E6 into a Media Interface Module (MIM) or stand-alone product. It also e xplains ho w 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[...]

  • Page 15

    CHAPTER 2: INSTALLATION Page 8 BRIM-E6 USER’S GUIDE 2.2.1 Installing a BRIM-E6 in a MIM T o 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. 1. Power-down your MMAC hub. 2. Disconnect all cables from the M[...]

  • Page 16

    INSTALLING BRIMs BRIM-E6 USER’S GUIDE Page 9 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. Note: The BRIM-[...]

  • Page 17

    CHAPTER 2: INSTALLATION Page 10 BRIM-E6 USER’S GUIDE 2.2.2 Installing a BRIM in a Hub T o install a BRIM-E6 into a stand-alone hub that supports BRIM technology (e.g., MicroMMA C or NBR-620): 1. Power-down your hub. 2. Disconnect all cables from the hub. Note the ports to which these cables attach. 3. Remove the hub chassis cover. Note: Refer to [...]

  • Page 18

    INSTALLING BRIMs BRIM-E6 USER’S GUIDE Page 11 2.2.3 Installing an EPIM into the BRIM T o install an EPIM into the BRIM: 1. Slide the EPIM into the BRIM slot. See Figure 2-3. 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. BRIM-E6 STB RCV CLN XMT[...]

  • Page 19

    BRIM-E6 USER’S GUIDE Page 13 CHAPTER 3 CONNECTING T O THE NETW ORK 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 se gments to the BRIM-E6 depends on which EPIM you install. Refer to the follo wing list and perform the procedure described in [...]

  • Page 20

    CHAPTER 3: CONNECTING TO THE NETWORK Page 14 BRIM-E6 USER’S GUIDE Figure 3-1. EPIM-T Cross-over Switch T o connect an EPIM-T to a T wisted Pair Segment: 1. Insert the RJ45 connector on the twisted pair segment into the RJ45 port on the EPIM. See Figure 3-1. 2. Check that the EPIM’s LNK LED is on. If the LED is not on, perform each of the follow[...]

  • Page 21

    CONNECTING THE BRIM TO THE NETWORK BRIM-E6 USER’S GUIDE Page 15 3.1.2 Connecting a Fiber Optic Link Segment to an EPIM-F1, EPIM-F2, or EPIM-F3 When connecting a fiber optic link segment to an EPIM-F1, F2, or F3 keep the follo wing in mind: • If you are connecting a fiber optic link segment with SMA 906 connectors to an EPIM-F1 with SMA ports,[...]

  • Page 22

    CHAPTER 3: CONNECTING TO THE NETWORK Page 16 BRIM-E6 USER’S GUIDE Caution : Do not touch the ends of the fiber optic strands, and do not let the ends come in contact with dust, dirt, or other contaminants. Contamination of the ends can cause problems in data transmissions. If the ends become contaminated, clean them with alcohol using a soft, cle[...]

  • Page 23

    CONNECTING THE BRIM TO THE NETWORK BRIM-E6 USER’S GUIDE Page 17 3. Attach the fiber labeled 2 to the applicable transmit port labeled TX , on the module. 4. At the other end of the fiber optic cable, attach the fiber labeled 1 to the transmit port of the device. 5. Attach the fiber labeled 2 to the receive port. 6. Check that the EPIM’s LNK LED[...]

  • Page 24

    CHAPTER 3: CONNECTING TO THE NETWORK Page 18 BRIM-E6 USER’S GUIDE 2. If the Internal Termination switch is in the On position, connect the thin-net segment directly to the BNC port as shown in Figure 4-3. 3. If the Internal Termination switch is in the Off position: a. Attach a BNC tee-connector to the BNC port on the module. b. Attach the thin-n[...]

  • Page 25

    CONNECTING THE BRIM TO THE NETWORK BRIM-E6 USER’S GUIDE Page 19 3.1.4 Connecting an A UI 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 transceiver has the SQE test fu[...]

  • Page 26

    CHAPTER 3: CONNECTING TO THE NETWORK Page 20 BRIM-E6 USER’S GUIDE 6. If the PWR LED is on with the AUI cable disconnected, continue with the following checks: a. Check the A UI connections for proper pinouts . The pinouts for the transceiver connection are listed in Appendix A. b. Check the cable for continuity. c. Reconnect the AUI cable to the [...]

  • Page 27

    FINISHING THE INSTALLATION BRIM-E6 USER’S GUIDE Page 21 Figure 3-5. The EPIM-X 3.2 FINISHING THE INSTALLATION The BRIM-E6 is no w 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. Ensu[...]

  • Page 28

    BRIM-E6 USER’S GUIDE Page 23 CHAPTER 4 USING THE LANVIEW LEDS This chapter describes ho w to use the LANVIEW Diagnostic LEDs to monitor BRIM status and diagnose BRIM problems. Figure 4-1. LANVIEW LEDS 4.1 STB (Standby) • On - The bridge port is in the non-forw arding state. Possible causes of this condition are: redundancy detected by Spanning [...]

  • Page 29

    BRIM-E6 USER’S GUIDE Page 25 APPENDIX A EPIM SPECIFICA TIONS This appendix provides specifications for Cabletron’ s Ethernet Port Interface Modules (EPIMs). A.1 EPIM-T (10BASE-T TWISTED PAIR PORT) Internal T ranscei ver: Cabletron Systems TPT 10B ASE-T T wisted Pair T ranscei v er T ype: 8 Pin RJ-45 Jack A slide switch on the EPIM-T determines[...]

  • Page 30

    APPENDIX A: EPIM SPECIFICATIONS Page 26 BRIM-E6 USER’S GUIDE A.2 EPIM-F1 AND EPIM-F2 (MULTIMODE FIBER OPTIC PORTS) Internal T ranscei ver: Cabletron Systems FO T -F™ Fiber Optic T ranscei ver Connector T ype: EPIM-F1: SMA fiber optic ports EPIM-F2: ST fiber optic ports Figure A-2. EPIM-F1 and EPIM-F2 Note: The above transmitter power and rece[...]

  • Page 31

    EPIM-F3 (SINGLE MODE FIBER OPTIC PORT) BRIM-E6 USER’S GUIDE Page 27 (e.g., -29.5 dBm peak = -32.5 dBm average). A.3 EPIM-F3 (SINGLE MODE FIBER OPTIC PORT) Internal T ranscei ver: Cabletron Systems FO T -F3™ Fiber Optic T ranscei ver Connector T ype: ST fiber optic ports Figure A-3. EPIM-F3 Note: T ransmitter power is inversely proportional to [...]

  • Page 32

    APPENDIX A: EPIM SPECIFICATIONS Page 28 BRIM-E6 USER’S GUIDE power output at 25C equals -16.4 dBm. For a 4C temperatur e incr ease, multiply the typical coefficient (-0.15 dBm) by four , and add the r esult to typical output power (4 x -0.15 dBm + -16.4 dBm = -17.0 dBm) Note: The above transmitter power levels and receive sensitivity levels repr[...]

  • Page 33

    EPIM-C (BNC PORT) BRIM-E6 USER’S GUIDE Page 29 Power Meter, you must subtract 3 dBm from the measurement to correctly compare those measured values to the values listed above (e.g., -29.5 dBm peak = -32.5 dBm average). A.4 EPIM-C (BNC PORT) Internal T ranscei ver: Cabletron Systems TMS-3™ Transcei ver Connector T ype: BNC receptacle, with gold [...]

  • Page 34

    APPENDIX A: EPIM SPECIFICATIONS Page 30 BRIM-E6 USER’S GUIDE Warning: Connecting a thin-net segment to earth ground at more than one point could produce dangerous ground currents. A.5 EPIM-A AND EPIM-X (AUI PORTS) Connector T ype: DB-15 (15 position D type receptacle) EPIM-A: Female Connector EPIM-X: Male Connector Figure A-5. EPIM-A and EPIM-X ([...]

  • Page 35

    BRIM-E6 USER’S GUIDE Page 31 APPENDIX B EPIM CABLE REQUIREMENTS This appendix describes cable specifications and requirements for the EPIMs. Y our network must meet the requirements and conditions specified in this chapter to obtain satisfactory performance from this equipment. Failure to follo w these guidelines could result in poor network pe[...]

  • Page 36

    APPENDIX B: EPIM CABLE REQUIREMENTS Page 32 BRIM-E6 USER’S GUIDE Insertion Loss The maximum insertion loss allo wed for a 10BASE-T link is 11.5 dB at all frequencies between 5.0 and 10 MHz. This includes the attenuation of the cables, connectors, patch panels, and reflection losses due to impedance mismatches in the link segment. Impedance Cable[...]

  • Page 37

    CABLE REQUIREMENTS BRIM-E6 USER’S GUIDE Page 33 Temperature Multi-pair PVC 24 A WG telephone cables typically hav e an attenuation of approximately 8 to 10 dB/100m at 20 ° C (78 ° F). The attenuation of PVC insulated cable v aries significantly with temperature. At temperatures greater than 40 ° C (104 ° F), we strongly recommend that you us[...]

  • Page 38

    APPENDIX B: EPIM CABLE REQUIREMENTS Page 34 BRIM-E6 USER’S GUIDE Propagation delay is the amount of time it takes data to tra vel from the sending de vice to the receiving de vice. T otal propagation delay allo wed for the entire network is 25.6 µ sec, if the total propagation delay between any tw o nodes on the network exceeds 25.6 µ sec, then[...]

  • Page 39

    CABLE REQUIREMENTS BRIM-E6 USER’S GUIDE Page 35 Propagation delay is the amount of time it takes data to tra vel from the sending de vice to the receiving de vice. T otal propagation delay allo wed for the entire network is 25.6 µ sec, if the total propagation delay between any tw o nodes on the network exceeds 25.6 µ sec, then bridges should b[...]

  • Page 40

    APPENDIX B: EPIM CABLE REQUIREMENTS Page 36 BRIM-E6 USER’S GUIDE B.1.5 A UI Cable Requirements When you connect an external netw ork segment to t an EPIM-A or EPIM- X, the A UI cable must meet the following requirements: AUI Cable The A UI cable connecting the module to a de vice must be IEEE 802.3 type cable. Length The A UI Cable must not excee[...]

  • Page 41

    Inde x-1 C Cabletron Systems Technical Support 2 E Environmental Requirements 3 EPIMs Available Modules 3 Cable Requirements AUI 36 Multimode Fiber 33 Single Mode Fiber 34 Thin-net 35 UTP and STP 31 Connecting to the Network EPIM-A 19 EPIM-C 17 EPIM-F1 15 EPIM-F2 15 EPIM-F3 15 EPIM-T 13 EPIM-X 20 Specifications EPIM-A 30 EPIM-C 29 EPIM-F1 26 EPIM-F[...]