Page 2 - are trademarks of Cabletron Systems, Inc.; Printed On
NOTICE i NOTICE 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 have been made. The hardware, firmware, or soft...
Page 3 - NOTICE; ii; FCC NOTICE
NOTICE ii FCC NOTICE This device complies with Part 15 of the FCC rules. 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. NOT...
Page 4 - iii; PROGRAM LICENSE AGREEMENT; You have the right to use only the one (1) copy of the Program provided
NOTICE iii CABLETRON SYSTEMS, INC. PROGRAM LICENSE AGREEMENT IMPORTANT: 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...
Page 5 - iv; EXCLUSION OF WARRANTY; EXCLUSION OF WARRANTY.; UNITED STATES GOVERNMENT
NOTICE iv EXCLUSION OF WARRANTY AND DISCLAIMER OF LIABILITY 1. EXCLUSION OF WARRANTY. Except as may be specifically provided by Cabletron in writing, Cabletron makes no warranty, expressed or implied, concerning the Program (including Its documentation and media). CABLETRON DISCLAIMS ALL WARRANTIES,...
Page 6 - TABLE OF CONTENTS; ule
CONTENTS v TABLE OF CONTENTS APPENDIX A TABLE OF CONTENTS v CHAPTER 1 INTRODUCTION 1.1 USING THIS MANUAL ............................................................ 1-1 1.2 GETTING HELP ........................................................................ 1-2 1.3 SEH OVERVIEW ......................
Page 7 - Connecting a Fiber Optic Link Segment to an EPIM-F1,
CONTENTS vi CHAPTER 3 INSTALLATION 3.1 UNPACKING THE SEH ............................................................3-1 3.2 INSTALLING THE SEH............................................................3-13.2.1 Stacking the SEH ..........................................................3-2 3.2.2 Att...
Page 8 - Note
INTRODUCTION Page 1-1 CHAPTER 1 INTRODUCTION Welcome to the Cabletron Systems SEH-22, SEH-24, SEH-32, and SEH-34 10BASE-T Stackable Hub User’s Guide . This manual explains installation instructions and provides reference information for the SEH-22, 24, 32, and 34. Note : The term SEH (Stackable Ethe...
Page 9 - By CompuServe; SEH OVERVIEW
INTRODUCTION Page 1-2 1.2 GETTING HELP If you need additional support related to the Cabletron Systems SEH, 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...
Page 10 - INTRODUCTION; , 12 RJ45 network ports and one EPIM port.; SEH FEATURES
INTRODUCTION Page 1-3 You can stack together up to five SEH hubs using Cabletron Systems’ external HubSTACK Interconnect cables. If you want to add management to the stack, Cabletron Systems offers the MicroMMAC and the SEHI intelligent hubs. You can stack up to four SEHs with one intelligent hub. S...
Page 13 - INSTALLATION REQUIREMENTS/SPECIFICATIONS; CHAPTER 2; CABLE SPECIFICATIONS
INSTALLATION REQUIREMENTS/SPECIFICATIONS Page 2-1 CHAPTER 2 INSTALLATION REQUIREMENTS/SPECIFICATIONS This chapter describes network guidelines, power requirements, and operating specifications for the SEH. Be sure to read this chapter before you install the SEH. Your network must meet the requiremen...
Page 22 - side, the pairs are internally
INSTALLATION REQUIREMENTS/SPECIFICATIONS Page 2-10 2.3 EPIM SPECIFICATIONS EPIMs let you connect the SEH to the main network using different media types. Cabletron Systems offers a variety of EPIMs. The following sections explain specifications for each EPIM. 2.3.1 EPIM-T The EPIM-T is an RJ45 conne...
Page 24 - Note: Transmitter Power decreases as temperatures rise and
INSTALLATION REQUIREMENTS/SPECIFICATIONS Page 2-12 2.3.3 EPIM-F3 The EPIM-F3 shown in Figure 2-5 supports Single Mode Fiber Optic cabling. It has an internal Cabletron Systems FOT-F™ Fiber Optic Transceiver and is equipped with ST Connectors. Specifications for the EPIM-F3 are listed below. Figure 2...
Page 25 - Spectral Width
INSTALLATION REQUIREMENTS/SPECIFICATIONS Page 2-13 Parameter Typical Minimum Maximum Transmitter Peak Wave Length 1300 nm 1270 nm 1330 nm Spectral Width 60 nm - 100 nm Rise Time/ 3.0 nsec 2.7 nsec 5.0 nsec Fall Time 2.5 nsec 2.2 nsec 5.0 nsec Duty Cycle 50.1% 49.6% 50.7% Bit Error Rate: Better than ...
Page 28 - Twisted Pair to EPIM- A
INSTALLATION REQUIREMENTS/SPECIFICATIONS Page 2-16 2.4 TRANSCEIVER REQUIREMENTS When you connect an external network segment, via a transceiver, to the SEH with an EPIM-A, the following requirements must be met: • The transceiver or Ethernet Device to which the module will be connected must meet IEE...
Page 30 - Operating Temperature:; SAFETY
INSTALLATION REQUIREMENTS/SPECIFICATIONS Page 2-18 ENVIRONMENTAL REQUIREMENTS Operating Temperature: +5 ° to +50 ° C Non-operating Temperature: -30 ° to +90 ° C Operating Humidity: 5 to 95% (non-condensing) SAFETY This unit meets the safety requirements of UL 1950, CSA C22.2No. 950, and EN 60950; th...
Page 31 - INSTALLATION; CHAPTER 3; UNPACKING THE SEH; Unpack the SEH as follows:; INSTALLING THE SEH
INSTALLATION Page 3-1 CHAPTER 3 INSTALLATION This chapter outlines the procedure for installing your SEH and connecting it to a network. You can install the SEH as a stackable or stand-alone device. Ensure that your network meets the guidelines and requirements outlined in Chapter 2, Installation Re...
Page 33 - Attach up to four SEH hubs in the stack repeating steps 1 and 2.
INSTALLATION Page 3-3 To stack SEHs together, refer to Figure 3-1 and perform the following steps: 1. Attach the SEH HubSTACK Interconnect cable to the bus port labeled “OUT” on the rear panel of the SEH. 2. Attach the other end of SEH HubSTACK Interconnect cable to the bus port labeled “IN” on the ...
Page 34 - Figure 3-2. Disconnecting the HubSTACK Interconnect Cable; Attaching the Strain Relief Bracket; Attach the strain relief bracket to the front of the SEH as follows:
INSTALLATION Page 3-4 If you disconnect one end of a HubSTACK Interconnect cable and leave the other end attached to the hub, ensure that you disconnect the cable from the “OUT” port as shown in Figure 3-2. This ensures that the HubSTACK Interconnect cable is terminated properly. Figure 3-2. Disconn...
Page 35 - Figure 3-4. Installing the Rack Mount Brackets
INSTALLATION Page 3-5 3.2.3 Rack Mounting the SEH Refer to Figure 3-4 and perform these steps to install the SEH in a 19-inch rack. 1. Remove four cover screws (two from each side) located along the front edges of each side of the SEH. 2. Using the four cover screws removed in step 1, attach the rac...
Page 36 - Figure 3-6. Installing the Wall Mounting Brackets
INSTALLATION Page 3-6 3.2.4 Wall Mounting the SEH When you wall mount the SEH, the cable connections must face down. Refer to Figure 3-6 and perform the following steps to wall mount the SEH. Note: 1/4-inch Molly screw anchors for wall mounting are not included with the SEH-ACCY-KIT package. 1. Use ...
Page 38 - To connect the SEH to the power source:
INSTALLATION Page 3-8 3.3 CONNECTING THE SEH TO THE POWER SOURCE Note: The SEH has a universal power supply. This allows you to connect the SEH to power sources from 90 Vac to 264 Vac, 47-63 Hz. To connect the SEH to the power source: 1. Plug the power cord into the back panel of the SEH. 2. Plug th...
Page 39 - CONNECTING TO THE NETWORK; CHAPTER 4; CONNECTING THE SEH TO THE NETWORK
CONNECTING TO THE NETWORK Page 4-1 CHAPTER 4 CONNECTING TO THE NETWORK This chapter outlines the procedure for connecting your SEH to a network. Ensure that your network meets the guidelines and requirements outlined in Chapter 2, Installation Requirements/Specifications, before installing the SEH. ...
Page 40 - To connect twisted pair segments to the SEH:
CONNECTING TO THE NETWORK Page 4-2 To connect twisted pair segments to the SEH: 1. Insert the RJ45 connector from each twisted pair segment into the desired network port on the SEH. See Figure 4-1. Figure 4-1. SEH-22/24 Network Ports 2. Check that the applicable LNK LED for the port is on. If the LE...
Page 41 - To connect the SEH into an existing twisted pair wiring system:
CONNECTING TO THE NETWORK Page 4-3 4.1.2 Connecting Network Ports SEH-32 and SEH-34 The SEH-32 has a 50-pin Champ connector, while the SEH-34 has two 50-pin Champ connectors. This configuration of the SEH allows you to run a 50-pin feeder cable from the SEH to a punch down block. Each Champ connecto...
Page 42 - Check that the 10BASE-T device and the SEH have power.; Connecting a UTP Segment to an EPIM-T
CONNECTING TO THE NETWORK Page 4-4 4. Check that the link LED on the 10BASE-T Ethernet device and the applicable LNK LED on the SEH are on. If the LEDs are not on, perform each of the following steps until the LEDs are on: a. Check that the 10BASE-T device and the SEH have power. b. Verify the cabli...
Page 43 - To connect an EPIM-T to a Twisted Pair Segment:
CONNECTING TO THE NETWORK Page 4-5 To connect an EPIM-T to a Twisted Pair Segment: 1. Insert the RJ45 connector on the twisted pair segment into the RJ45 port on the EPIM. See Figure 4-3. 2. Check that the EPIM’s LNK LED is on. If the LED is not on, perform each of the following steps until it is: a...
Page 44 - Caution: Do not touch the ends of the fiber optic strands, and
CONNECTING TO THE NETWORK Page 4-6 • The physical communication link consists of two strands of fiber optic cabling: the Transmit (TX) and the Receive (RX). The Transmit strand from the applicable port on the module will be connected to the Receive port of a fiber optic Ethernet device at the other ...
Page 45 - Attach the fiber labeled 2 to the receive port.; SMA 906 Connectors w/
CONNECTING TO THE NETWORK Page 4-7 Figure 4-4. The EPIM-F1, EPIM-F2 and EPIM-F3 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 la...
Page 46 - If the Internal Termination switch is in the Off position:
CONNECTING TO THE NETWORK Page 4-8 6. Check that the EPIM’s LNK LED is on. If the LED is not on, perform the following steps until it is: a. Check that the power is turned on for the device at the other end of the link. b. Verify proper “cross-over” of fiber strands between the applicable port on th...
Page 48 - To connect an EPIM-A to an external network segment:; P W
CONNECTING TO THE NETWORK Page 4-10 4.1.6 Connecting an AUI Cable to an EPIM-A Caution: Ensure that the external transceiver to which the SEH will be connected does not have the signal quality error (SQE or “heartbeat”) test function enabled. The SEH will not operate if the transceiver has the SQE t...
Page 49 - Check the cable for continuity.; Connecting an AUI Cable to an EPIM-X; To connect an EPIM-X to a device not requiring SQE:
CONNECTING TO THE NETWORK Page 4-11 5. Check that the PWR LED on the EPIM-A is on. If the LED is not on, contact Cabletron Systems Technical Support. 6. If the PWR LED is on with the AUI cable disconnected, continue with the following checks: a. Check the AUI connections for proper pinouts. The pino...
Page 51 - TROUBLESHOOTING; CHAPTER 5; INSTALLATION CHECK-OUT
TROUBLESHOOTING Page 5-1 CHAPTER 5 TROUBLESHOOTING This chapter contains instructions for using LANVIEW LEDs to troubleshoot physical layer network problems. 5.1 INSTALLATION CHECK-OUT After you connect the SEH to the network, verify that packets pass between all Ethernet devices connected to the SE...
Page 52 - Network management has disabled the port.; USING LANVIEW
TROUBLESHOOTING Page 5-2 2. If the remote station is ready and the LNK LED is on, but no data passes through the port, one of two conditions may exist: • Network management has disabled the port. • The port is segmented either because the collision detector was on for more than 110 µ sec. or the SEH...
Page 53 - LED NAME; Red; DEFINITION; Collision
TROUBLESHOOTING Page 5-3 Figure 5-1. LANVIEW LEDs PWR (Green)When this LED is on it indicates that the SEH is receiving power. If this LED is off, it indicates a loss of input power. Check the input power source (circuit breaker, fuse, etc.). If the proper source power is present, the problem could ...
Page 55 - TWISTED PAIR WIRING TABLES; APPENDIX A; Twisted Pair Wiring from a Punch Down Block to a
TWISTED PAIR WIRING TABLES Page A-1 APPENDIX A TWISTED PAIR WIRING TABLES This appendix contains twisted pair wiring tables which will assist you if you are using a Punch Down block (see Figure A-1) to wire your twisted pair segments. The following tables are included in this appendix: • Table A-1 T...
Page 56 - Note: Pins 25 and 50 on Champ connector are not used.
Page A-2 TWISTED PAIR WIRING TABLES Note: Pins 25 and 50 on Champ connector are not used. Table A-1. Twisted Pair Wiring from an SEH-32/34 to a Punch Down Block FromSEH-32/34 Into and Out of 50-Pin Feeder Cable Into Punch Down Block Port 12/24 Pin Pin Pin RX+ 48 48 Violet/Green RX+ A45 Violet/Green ...
Page 59 - from a Punch Down Block to a 10Base-T Device
TWISTED PAIR WIRING TABLES Page A-5 Table A-2. Twisted Pair Wiring from a Punch Down Block to a 10Base-T Device From Punch Down Block To RJ-45 Wallplate Into Office Drop Into 10BASE-T Device Port 12/24 Pin Pin Pin B45 Violet/Green RX+ 1 TX+ 1 TX+ 1 TX+ B46 Green/Violet RX- 2 TX- 2 TX- 2 TX- B47 Viol...
Page 63 - A B C D
TWISTED PAIR WIRING TABLES Page A-9 Figure A-1. Punch Down Block 1234567891 01 11 21 31 41 51 61 71 81 92 02 12 22 32 42 52 62 72 82 93 03 13 23 33 43 53 63 73 83 94 04 14 24 34 44 54 64 74 84 95 0 A B C D
Page 64 - POWER SUPPLY CORD
POWER SUPPLY CORD The mains cord used with this equipment must be a 2 conductor plus ground type with minimum 0.75 mm square conductors and must incorporate a standard IEC appliance coupler on one end and a mains plug on the other end which is suitable for the use and application of the product and ...
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