Bedienungsanleitung Cabletron Systems SEH-32

Bedienungsanleitung für das Gerät Cabletron Systems SEH-32

Gerät: Cabletron Systems SEH-32
Kategorie: Umschalter
Produzent: Cabletron Systems
Größe: 0.52 MB
Datum des Hinzufügens: 4/7/2014
Seitenanzahl: 64
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Zusammenfassungen

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Inhaltszusammenfassungen
Inhaltszusammenfassung zur Seite Nr. 1


SEH-22, SEH-24, SEH-32, AND SEH-34
10BASE-T STACKABLE HUB
USER’S GUIDE
The Complete Networking Solution™
CABLETRON SYSTEMS, P. O. Box 5005, Rochester, NH 03866-5005

Inhaltszusammenfassung zur Seite Nr. 2

NOTICE 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 software described in this manual is subject to change without notice. IN NO EVENT SHALL CABLETRON SYSTEMS BE LIABLE FOR ANY INCIDENTAL, INDIRECT, SPECIAL, OR CONSEQUE

Inhaltszusammenfassung zur Seite Nr. 3

NOTICE 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. NOTE: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable prote

Inhaltszusammenfassung zur Seite Nr. 4

NOTICE 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 the Cabletron software program (the “Program”) contained in this package. The Program may be contained in firmware, chips or other media. BY UTILIZING THE ENCLOSED PRODUCT, YOU ARE AGREEING T

Inhaltszusammenfassung zur Seite Nr. 5

NOTICE 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, OTHER THAN THOSE SUPPLIED 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, W

Inhaltszusammenfassung zur Seite Nr. 6

CONTENTS 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....................................................................... 1-2 1.4 SEH FEATURES ....................................................................... 1-3 1.5 STACKABLE CAPABILITIES..................

Inhaltszusammenfassung zur Seite Nr. 7

CONTENTS CHAPTER 3 INSTALLATION 3.1 UNPACKING THE SEH............................................................3-1 3.2 INSTALLING THE SEH............................................................3-1 3.2.1 Stacking the SEH ..........................................................3-2 3.2.2 Attaching the Strain Relief Bracket.............................3-4 3.2.3 Rack Mounting the SEH ...............................................3-5 3.2.4 Wall Mounting the SEH......................

Inhaltszusammenfassung zur Seite Nr. 8

INTRODUCTION 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 Ethernet Hub) is used throughout this manual when describing features and functions that are common to the SEH-22, 24, 32, and 34. 1.1 USING THIS MANUAL Read through this manual completel

Inhaltszusammenfassung zur Seite Nr. 9

INTRODUCTION 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 - 8pm EST ® By CompuServe ............ GO CTRON from any ! prompt By Internet mail............. support@ctron.com 1.3 SEH OVERVIEW The 10BASE-T SEH is a non-intelligent repeating hub that provides

Inhaltszusammenfassung zur Seite Nr. 10

INTRODUCTION 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. Stackable configurations let you maintain only one IEEE repeater hop while providing up to 130 Ethernet ports. The SEH-22/24 and SEH-32/34 are functionally identical with the exception of the

Inhaltszusammenfassung zur Seite Nr. 11

INTRODUCTION LANVIEW LEDs Cabletron Systems’ LANVIEW Status Monitoring and Diagnostics System is a troubleshooting tool that helps you diagnose power failures, collisions, cable faults, and link problems. The LANVIEW LEDs are conveniently located on the front panel. 1.5 STACKABLE CAPABILITIES The SEH is a non-intelligent hub designed to be managed by either the Cabletron Systems SEHI intelligent hub or the Cabletron Systems MicroMMAC intelligent hub. Intelligent hubs serve as

Inhaltszusammenfassung zur Seite Nr. 12

INTRODUCTION Daughter Board Upgrade Kit You can upgrade the SEH-22 and the SEH-32 to 24 ports using the daughter board upgrade kit. The Cabletron part numbers for the upgrades are: •SEH-22: 24PORT-UGKT-E •SEH-32: 24PORT-UGKT-E 50P HubSTACK Interconnect Cables You need Cabletron’s HubSTACK Interconnect cables to stack hubs together. Table 1-2 lists the part number and application for each cable. Table 1-2. HubSTACK Interconnect Cables Part Description Application Number 93801

Inhaltszusammenfassung zur Seite Nr. 13

INSTALLATION REQUIREMENTS/SPECIFICATIONS 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 requirements and conditions specified in this chapter to obtain satisfactory performance from this equipment. Failure to follow these guidelines could result in poor network performance. 2.1 CABLE SPECIFICAT

Inhaltszusammenfassung zur Seite Nr. 14

INSTALLATION REQUIREMENTS/SPECIFICATIONS 2.1.2 UTP and STP Cable Specifications for the Network Ports and EPIM-T Module The device at the other end of the twisted pair segment must meet IEEE 802.3 10BASE-T specifications. When you connect a 10BASE-T Twisted Pair Segment to the SEH’s 10BASE-T Twisted Pair Network Ports and EPIM-T module, your network must meet the following requirements: Length The IEEE 802.3 10BASE-T standard requires that 10BASE-T devices transmit over a 100 m

Inhaltszusammenfassung zur Seite Nr. 15

INSTALLATION REQUIREMENTS/SPECIFICATIONS Delay The maximum propagation delay of a 10BASE-T link segment must not exceed 1000 nsec. This 1000 nsec. maximum delay limits the maximum link segment length to no greater than 200 meters. Crosstalk Crosstalk is caused by signal coupling between the different cable pairs contained within a multi-pair cable bundle. 10BASE-T transceivers are designed so that the user does not need to be concerned about cable crosstalk, provided the

Inhaltszusammenfassung zur Seite Nr. 16

INSTALLATION REQUIREMENTS/SPECIFICATIONS 2.1.3 Multimode Fiber Optic Cable Specifications for the EPIM-F1 and EPIM-F2 Modules Table 2-1 shows Multimode Fiber Optic Cable specifications for the EPIM-F1 and EPIM-F2 modules. Table 2-1. Multimode Fiber Optic Cable Specifications Cable Type Attenuation Maximum Cable Length 50/125 m m 13.0 dB or less The maximum allowable fiber optic cable length is 2 km 62.5/125 m m 16.0 dB or less (2187.2 yards). However, IEEE 802.3 specificat

Inhaltszusammenfassung zur Seite Nr. 17

INSTALLATION REQUIREMENTS/SPECIFICATIONS 2.1.4 Single Mode Fiber Optic Cable Specifications for the EPIM-F3 Module Table 2-2 shows Single Mode Fiber Optic Cable specifications for the EPIM-F3. Table 2-2. Single Mode Fiber Optic Cable Specifications Cable Type Attenuation Maximum Cable Length 8/125-12/125 m m 10.0 dB or less The maximum allowable fiber optic cable length is 5 km (3.1 miles) with bridges at each segment end. Howev- er, IEEE 802.3 FOIRL specifi- cations specify a maximum

Inhaltszusammenfassung zur Seite Nr. 18

INSTALLATION REQUIREMENTS/SPECIFICATIONS 2.1.5 Thin-net Network Requirements for the EPIM-C Module When you connect a thin-net segment to the SEH (via an EPIM-C), your network must meet the following requirements: Cable Type 50 ohm RG-58A/U type coaxial cable must be used when making up a thin-net cable segment. Length The thin-net segment must be no longer than 185 meters. Terminators A 50 ohm terminator must be connected to the far end of each thin-net segment. Connectors A maximum of 29 t

Inhaltszusammenfassung zur Seite Nr. 19

INSTALLATION REQUIREMENTS/SPECIFICATIONS 2.1.6 AUI Cable Requirements for the EPIM-A and EPIM-X Modules When you connect an external network segment to the SEH (via an EPIM-A or EPIM-X), the AUI cable must meet the following requirements: AUI Cable The AUI cable connecting the module to a device must be IEEE 802.3 type cable. Length 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 meter

Inhaltszusammenfassung zur Seite Nr. 20

INSTALLATION REQUIREMENTS/SPECIFICATIONS 2.2.1 SEH-22 and SEH-24 Network Port Specifications The SEH-22 and SEH-24 provide RJ45 connections for network connections. Figure 2-1 shows the RJ45 pinouts. 1 2 3 4 5 6 7 8 12X 11X 10X 1. Receive + 5. Not Used 2. Receive - 6. Transmit - 3. Transmit + 7. Not Used 4. Not Used 8. Not Used Figure 2-1. RJ45 Network Ports 2.2.2 SEH-32 and SEH-34 Network Port Specifications The SEH-32 and SEH-34 provide 50 pin Champ connecto


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