Cabletron-systems SEHI-32 Manuale Utente

SEHI-22, SEHI-24, SEHI-32, AND SEHI-3410BASE-T INTELLIGENT STACKABLE HUBUSER’S GUIDE CABLETRON SYSTEMS, P. O. Box 5005, Rochester, NH 03867-0505The C

INTRODUCTION Page 1-2 1.2 GETTING HELP If you need additional support related to the Cabletron Systems SEHI, or if you have any questions, comments,

INTRODUCTION Page 1-3The SEHI-22/24 and SEHI-32/34 are functionally identical with the exception of the network ports:• SEHI-22 , 12 RJ45 network por

INTRODUCTION Page 1-4 LANVIEW LEDs Cabletron Systems’ LANVIEW Status Monitoring and Diagnostics System is a troubleshooting tool that helps you diag

INTRODUCTION Page 1-5 1.7 OPTIONAL FEATURES The following features are not included with the SEHI but can be purchased separately from Cabletron Syst

INTRODUCTION Page 1-6 Daughter Board Upgrade Kit You can upgrade the SEHI-22 and the SEHI-32 to 24 ports using the daughter board upgrade kit. The Ca

INSTALLATION REQUIREMENTS/SPECIFICATIONS Page 2-1 CHAPTER 2INSTALLATIONREQUIREMENTS/SPECIFICATIONS This Chapter describes cabling requirements, netwo

INSTALLATION REQUIREMENTS/SPECIFICATIONS Page 2-2 2.1.2 UTP and STP Cable Specifications for the Network Portsand EPIM-T Module The device at the othe

INSTALLATION REQUIREMENTS/SPECIFICATIONS Page 2-3 Delay The maximum propagation delay of a 10BASE-T link segment must not exceed 1000 nsec. This 1000

INSTALLATION REQUIREMENTS/SPECIFICATIONS Page 2-4 2.1.3 Multimode Fiber Optic Cable Specifications for theEPIM-F1 and EPIM-F2 ModulesTable 2-1 shows M

INSTALLATION REQUIREMENTS/SPECIFICATIONSPage 2-52.1.4 Single Mode Fiber Optic Cable Specifications forthe EPIM-F3 ModuleTable 2-2 shows Single Mode Fib

NOTICE i NOTICE Cabletron Systems reserves the right to make changes in specifications and other information contained in this document without prior

INSTALLATION REQUIREMENTS/SPECIFICATIONSPage 2-62.1.5 Thin-Net Network Requirements for the EPIM-C ModuleWhen you connect a thin-net segment to the SE

INSTALLATION REQUIREMENTS/SPECIFICATIONSPage 2-72.1.6 AUI Cable Requirements for the EPIM-Aand EPIM-X ModulesWhen you connect an external network segm

INSTALLATION REQUIREMENTS/SPECIFICATIONSPage 2-82.2.1 SEHI-22 and SEHI-24 Network Port SpecificationsThe SEHI-22 and SEHI-24 provide RJ45 connections f

INSTALLATION REQUIREMENTS/SPECIFICATIONSPage 2-9Table 2-3. Champ Connector Pinouts50 Pin Champ ConnectorPin Signal Wire Color Pin Signal Wire Color1 R

INSTALLATION REQUIREMENTS/SPECIFICATIONSPage 2-102.3 EPIM SPECIFICATIONSEPIMs let you connect the SEHI to the main network using different media types

INSTALLATION REQUIREMENTS/SPECIFICATIONSPage 2-112.3.2 EPIM-F1 and EPIM-F2 The EPIM-F1 and EPIM-F2 shown in Figure 2-4 support Multimode Fiber Optic c

INSTALLATION REQUIREMENTS/SPECIFICATIONSPage 2-122.3.3 EPIM-F3The EPIM-F3 shown in Figure 2-5 supports Single Mode Fiber Optic cabling. It has an inte

INSTALLATION REQUIREMENTS/SPECIFICATIONSPage 2-13Parameter Typical Minimum MaximumTransmitter Peak Wave Length 1300 nm 1270 nm 1330 nmSpectral Width 6

INSTALLATION REQUIREMENTS/SPECIFICATIONSPage 2-142.3.4 EPIM-CThe EPIM-C supports thin-net coaxial cabling and is equipped with an internal Cabletron S

INSTALLATION REQUIREMENTS/SPECIFICATIONSPage 2-152.3.5 EPIM-A and EPIM-X (AUI Port)The EPIM-A is a DB15 female connector used to attach segments to an

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 no

INSTALLATION REQUIREMENTS/SPECIFICATIONSPage 2-162.4 COM PORT REQUIREMENTSThe RJ45 COM port supports access to a Local Management Console. The Console

INSTALLATION REQUIREMENTS/SPECIFICATIONSPage 2-172.6 OPERATING SPECIFICATIONSThe operating specifications for the SEHI are described in this section. C

INSTALLATION REQUIREMENTS/SPECIFICATIONSPage 2-18JAM Output: Collisions are propagated through the network using the JAM signal of an alternating patt

INSTALLATION REQUIREMENTS/SPECIFICATIONSPage 2-19ENVIRONMENTAL REQUIREMENTSOperating Temperature: +5° to +50° CNon-operating Temperature: -30° to +90°

INSTALLATIONPage 3-1CHAPTER 3INSTALLATIONThis chapter outlines the procedure for installing the SEHI to your network as a stackable or stand-alone dev

INSTALLATIONPage 3-2Free-standing and shelf installations must be within in reach of the network cabling and meet the requirements listed below:• A si

INSTALLATIONPage 3-3To stack the SEHI together with an SEH non-intelligent hub:1. Attach the SEHI HubSTACK Interconnect cable to the “OUT” port on the

INSTALLATIONPage 3-4If you disconnect one end of a HubSTACK Interconnect cable and leave the other end attached to the hub, ensure that you disconnect

INSTALLATIONPage 3-53.2.3 Rack Mounting the SEHIRefer to Figure 3-4 and perform these steps to install the SEHI in a 19-inch rack.1. Remove four cover

INSTALLATIONPage 3-63.2.4 Wall Mounting the SEHIWhen you wall mount the SEHI, the cable connections must face down. Refer to Figure 3-6 and perform th

NOTICE iii CABLETRON SYSTEMS, INC.PROGRAM LICENSE AGREEMENT IMPORTANT: Before utilizing this product, carefully read this License Agreement.This doc

INSTALLATIONPage 3-73. You will need a pencil for this step. With the wall mounting brackets attached to the SEHI, position the SEHI against the wall

INSTALLATIONPage 3-83.3 CONNECTING THE SEHI TO THE POWER SOURCENote: The SEHI has a universal power supply. This allows you to connect the SEHI to pow

CONNECTING TO THE NETWORKPage 4-1CHAPTER 4CONNECTING TO THE NETWORKThis chapter outlines the procedure for connecting the SEHI to your network. Ensure

CONNECTING TO THE NETWORKPage 4-2To connect twisted pair segments to the SEHI:1. Insert the RJ45 connector from each twisted pair segment into the des

CONNECTING TO THE NETWORKPage 4-34.1.2 Connecting to Network Ports, SEHI-32 and SEHI-34The SEHI-32 has a 50-pin Champ connector, while the SEHI-34 has

CONNECTING TO THE NETWORKPage 4-44. Check that the link LED on the 10BASE-T Ethernet device and the applicable LNK LED on the SEHI are on. If the LEDs

CONNECTING TO THE NETWORKPage 4-5To connect an EPIM-T to a Twisted Pair Segment:1. Insert the RJ45 connector on the twisted pair segment into the RJ45

CONNECTING TO THE NETWORKPage 4-6• The physical communication link consists of two strands of fiber optic cabling: the Transmit (TX) and the Receive (R

CONNECTING TO THE NETWORKPage 4-7Figure 4-4. The EPIM-F1, EPIM-F2 and EPIM-F33. Attach the fiber labeled 2 to the applicable transmit port labeled TX,

CONNECTING TO THE NETWORKPage 4-86. 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 t

NOTICE iv EXCLUSION OF WARRANTYAND DISCLAIMER OF LIABILITY 1. EXCLUSION OF WARRANTY. Except as may be specifically provided by Cabletron in writing,

CONNECTING TO THE NETWORKPage 4-9Note: You must terminate each segment attached to the tee-connector. If you do not attach a segment to one of the fem

CONNECTING TO THE NETWORKPage 4-104.1.6 Connecting an AUI Cable to an EPIM-ACaution: Ensure that the external transceiver to which the SEHI will be co

CONNECTING TO THE NETWORKPage 4-115. Check that the PWR LED on the EPIM-A is on. If the LED is not on, contact Cabletron Systems Technical Support.6.

CONNECTING TO THE NETWORKPage 4-12Figure 4-7. The EPIM-X4.2 FINISHING THE INSTALLATIONThe SEHI is now ready for operation. Before placing the network

TROUBLESHOOTINGPage 5-1CHAPTER 5TROUBLESHOOTINGThis chapter contains instructions for using LANVIEW LEDs to troubleshoot physical layer network proble

TROUBLESHOOTINGPage 5-22. 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:•

TROUBLESHOOTINGPage 5-3Figure 5-1. LANVIEW LEDsPWR When this green LED is on it indicates that the SEHI is receiving power. If this LED is not on, it

TROUBLESHOOTINGPage 5-4CLNThis red LED indicates that a collision has occurred on one of the ports.RCV When this yellow LED flashes, it indicates that

LOCAL MANAGEMENTPage 6-1CHAPTER 6LOCAL MANAGEMENTThis chapter explains how to set up a management terminal to access the SEHI’s Local Management. It a

LOCAL MANAGEMENTPage 6-26.1 MANAGEMENT TERMINAL REQUIREMENTSTo access Local Management you need one of the following:• a Digital Equipment Corporation

CONTENTS v TABLE OF CONTENTS APPENDIX A TABLE OF CONTENTS vCHAPTER 1 INTRODUCTION 1.1 USING THIS MANUAL...

LOCAL MANAGEMENTPage 6-36.1.1 Console Cable ConfigurationUse the RJ45 Cable Kit provided with the SEHI-ACCY-KIT package to attach the management termin

LOCAL MANAGEMENTPage 6-46.1.2 Management Terminal Setup ParametersTable 6-1 lists the setup parameters for the local management terminal. If your term

LOCAL MANAGEMENTPage 6-56.2 ACCESSING LOCAL MANAGEMENTAfter you configure the local management terminal and properly attach the cables to the SEHI, you

LOCAL MANAGEMENTPage 6-63. Press the Return key.• If your password entry is invalid, the cursor returns to the beginning of the password entry field.•

LOCAL MANAGEMENTPage 6-76.3 USING THE LOCAL MANAGEMENT SCREENSThe Feature Selection screen is the main menu screen for SEHI Local Management. You can

LOCAL MANAGEMENTPage 6-8The Community Name Table option lets you set community names. Community names are passwords to Local Management and they are a

LOCAL MANAGEMENTPage 6-9Editing the Community Name FieldThe password that you use to access Local Management at the Password screen must have Super-Us

LOCAL MANAGEMENTPage 6-106.3.2 The Configuration ScreenTo access the Configuration screen from the Feature Selection screen, use the arrow keys to highl

LOCAL MANAGEMENTPage 6-11SubNet MaskDisplays the subnet mask for the SEHI. A subnet mask is a 32-bit quantity which “masks out” the network bits of th

LOCAL MANAGEMENTPage 6-124. Use the arrow keys to highlight the SAVE option, then press the Return key or F6. The “SAVED OK” message appears indicatin

CONTENTS vi2.6 OPERATING SPECIFICATIONS...2-17 CHAPTER 3 INSTALLATION 3.1 UNPACKING THE SEHI ...

LOCAL MANAGEMENTPage 6-13Setting the Default GatewayThe Default Gateway field allows you to describe the router through which the SEHI will be forwardi

LOCAL MANAGEMENTPage 6-14Exiting the Configuration Screen1. To exit the Configuration screen, press the appropriate Function key. To return to the Fea

LOCAL MANAGEMENTPage 6-15SNMP Community NameDisplays the community name to be included in the trap message, which is sent to the Network Management St

LOCAL MANAGEMENTPage 6-16Exiting the Trap Table Screen1. To exit the Trap Table screen, press the appropriate Function key. To exit to the Feature Sel

LOCAL MANAGEMENTPage 6-17Figure 6-7. SNMP Tools ScreenThe following sections describe SNMP Tools screen fields and instructions on how to change them.C

LOCAL MANAGEMENTPage 6-18WalkScrolls you through a section of the MIB leaf by leaf, from a user-specified object identifier. Leaves are the sections of

LOCAL MANAGEMENTPage 6-19Getting Individual OIDsTo get an OID:1. Highlight GET, using the arrow keys, then press the Return key (or press the F6 funct

LOCAL MANAGEMENTPage 6-20Setting an OIDTo set an OID:1. Highlight SET, using the arrow keys, then press the Return key (or press the F7 function key).

LOCAL MANAGEMENTPage 6-21Walking Through OIDsTo walk through an OID:1. Highlight Walk, using the arrow keys, then press the Return key. “<INITIAL&g

LOCAL MANAGEMENTPage 6-22Exiting the SNMP Tools Screen1. Use the arrow keys to highlight the RETURN command.2. Press the Return key. The Feature Selec

CONTENTS vii APPENDIX B TWISTED PAIR WIRING TABLES A-1

LOCAL MANAGEMENTPage 6-23Bytes ReceivedDisplays the number of bytes received.Frames ReceivedDisplays the number of frames received.Errors ReceivedDisp

LOCAL MANAGEMENTPage 6-24Port Seg. StatusDisplays the segmentation status of the port selected. The two possible status messages are Segmented or Unse

LOCAL MANAGEMENTPage 6-25Selecting the Appropriate Module/PortWhen the Device Statistics screen first appears, statistics are displayed for Module 1 an

LOCAL MANAGEMENTPage 6-26Using the Disable Port CommandThe Disable Port command lets you Disable the port selected in the Port command. You must first

TWISTED PAIR WIRING TABLESPage A-1APPENDIX ATWISTED PAIR WIRING TABLESThis appendix contains twisted pair wiring tables which will assist you if you a

Page A-2TWISTED PAIR WIRING TABLESNote: Pins 25 and 50 on Champ connector are not used.Table A-1. Twisted Pair Wiringfrom an SEHI-32/34 to a Punch Dow

TWISTED PAIR WIRING TABLESPage A-3Port 8/20Pin Pin PinRX+ 40 40 Black/Gray RX+ A29 Black/Gray RX+RX- 15 15 Gray/Black RX- A30 Gray/Black RX-TX+ 41 41

Page A-4TWISTED PAIR WIRING TABLESPort 4/16Pin Pin PinRX+ 32 32 Red/Orange RX+ A13 Red/Orange RX+RX- 7 7 Orange/Red RX- A14 Orange/Red RX-TX+ 33 33 Re

TWISTED PAIR WIRING TABLESPage A-5Table A-2. Twisted Pair Wiringfrom a Punch Down Block to a 10Base-T Device From Punch Down BlockTo RJ-45 WallplateIn

Page A-6TWISTED PAIR WIRING TABLESPort 8/20 Pin Pin PinB29 Black/Gray RX+ 1 TX+ 1 TX+ 1 TX+B30 Gray/Black RX- 2 TX- 2 TX- 2 TX-B31 Yellow/Blue TX+ 3 R

INTRODUCTION Page 1-1 CHAPTER 1INTRODUCTION Welcome to the Cabletron Systems SEHI-22, SEHI-24, SEHI-32, and SEHI-34 10BASE-T Intelligent Stackable H

TWISTED PAIR WIRING TABLESPage A-7Port 4/16 Pin Pin PinB13 Red/Orange RX+ 1 TX+ 1 TX+ 1 TX+B14 Orange/Red RX- 2 TX- 2 TX- 2 TX-B15 Red/Green TX+ 3 RX+

Page A-8TWISTED PAIR WIRING TABLESTable A-3. Twisted Pair Wiring SummarySEHI-32/34 ChampPunch Down BlockWall Plate(If Required) 10BASE-T Ethernet Devi

TWISTED PAIR WIRING TABLESPage A-9Figure A-1. Punch Down Block1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484

POWER SUPPLY CORDThe mains cord used with this equipment must be a 2 conductor plus ground type with minimum 0.75 mm square conductors and must incorp