Cabletron Systems SEHI-24, SEHI-22, SEHI-32, SEHI-34 specification

INSTALLATION REQUIREMENTS/SPECIFICATIONS

2.2.1SEHI-22 and SEHI-24 Network Port Speciﬁcations

The SEHI-22 and SEHI-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

2.2.2SEHI-32 and SEHI-34 Network Port Speciﬁcations

The SEHI-32 and SEHI-34 provide 50 pin Champ connectors for network connections as shown in Figure 2-2. Table 2-3 shows the pinouts for the Champ connector.

24X	13X
12X	1X

Figure 2-2. SEHI-34 Network Ports

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Cabletron Systems manual SEHI-22 and SEHI-24 Network Port Speciﬁcations, SEHI-32 and SEHI-34 Network Port Speciﬁcations

Contents

10BASE-T Intelligent Stackable HUB USER’S Guide Printed On Recycled Paper FCC Notice DOC Notice Cabletron SYSTEMS, INC Program License Agreement Cabletron Software Program License Exclusion of Warranty Disclaimer of Liability United States Government Restricted Rights Table of Contents Troubleshooting InstallationConnecting to the Network Local Management Contents Appendix B Twisted Pair Wiring Tables A-1 Using this Manual Chapter Introduction Introduction Getting Help Sehi Overview Polarity Detection and Correction Sehi FeaturesRepeater Functionality Flash EEPROMs Local Management Reset ButtonLanview LEDs Stackable Capabilities Introduction Optional Features Epim Rack Mount or Wall Mount Hardware Daughter Board Upgrade KitRelated Manuals Cable Specifications HubSTACK Interconnect Cable Requirements Impedance LengthInsertion Loss Jitter Crosstalk DelayTemperature Noise Fiber Optic Budget and Propagation Delay Cable Type Attenuation Maximum Cable Length Installation REQUIREMENTS/SPECIFICATIONS Cable Type ConnectorsThin-Net Network Requirements for the EPIM-C Module Terminators AUI Cable Requirements for the EPIM-A and EPIM-X Modules Network Port SpecificationsAUI Cable SEHI-22 and SEHI-24 Network Port Speciﬁcations SEHI-32 and SEHI-34 Network Port Speciﬁcations Pin Champ Connector Installation REQUIREMENTS/SPECIFICATIONS Epim Specifications EPIM-T EPIM-F1 and EPIM-F2 Parameter Typical Worst Worst Case Typical Value Budget EPIM-F3 EPIM-F3 Parameter Typical Minimum Maximum Connector Type EPIM-C EPIM-A and EPIM-X AUI Port EPIM-A and EPIM-X COM Transceiver Requirements General Delay Times Start of PacketsDelay Times JAM Preamble Output Min. Load Max. Load Max Power Fault ProtectionPower Supply Requirements JAM Output Safety Physical Installing the Sehi Unpacking the Sehi Stacking the Sehi Stacking the Sehi Attaching the Strain Relief Bracket Disconnect SEH and Sehi Interconnect Cables At the OUT Port Installing the Sehi in the Rack Rack Mounting the Sehi Wall Mounting the Sehi Free-Standing Installation Shelf or Table-top Installation Installation Connecting the Sehi to the Power Source Connecting the Sehi to the Network Connecting to Network Ports, SEHI-22 and SEHI-24 EPIM-2 Connecting to Network Ports, SEHI-32 and SEHI-34 Connecting a UTP Segment to an EPIM-T EPIM-T Cross-over Switch Connecting to the Network Connecting to the Network Connecting to the Network Connecting a Thin-Net Segment to an EPIM-C EPIM-C Connecting an AUI Cable to an EPIM-A EPIM-A Connecting an AUI Cable to an EPIM-X Finishing the Installation On Position Toward Back Epim OFF Position Toward Front Chapter Troubleshooting Installation CHECK-OUT Using Lanview PWR CPU RCV Troubleshooting CLNUsing the Reset Button LNK Chapter Local Management Local Management Management Terminal Requirements Console Cable Conﬁguration Management Terminal Connection General Setup Management Terminal Setup ParametersMenu Function Selection Display Setup Setup Local Management Accessing Local Management Sehi Local Management Feature Selection Screen Local Management Using the Local Management Screens Community Name Table Screen Access Community Name Editing the Community Name Field Conﬁguration Screen IP Address Setting the IP Address Default GatewayPort Enable Override SubNet Mask Setting the Subnet Mask Setting the Default Gateway Using the Port Enable Override Exiting the Configuration Screen Trap Table Screen Traps Configuring the Trap TableSnmp Community Name Trap IP Address Exiting the Trap Table Screen Snmp Tools Screen Set OID PrependGet Get Next Step WalkRecall-OID Cycles Getting Individual OIDs Getting the Next OID Setting an OID Viewing Multiple OIDs Stepping Through OIDs Walking Through OIDsCycling Through OIDs Exiting the Snmp Tools Screen Device Statistics Screen Alignment Errors Errors ReceivedCRC Errors Port Admin. Status Update-Freq Enable PortDisable Port Port Seg. Status Using the Enable Port Command Selecting the Appropriate Module/Port Using the Disable Port Command Exiting the Device Statistics Screen Appendix a Twisted Pair Wiring Tables Twisted Pair Wiring Tables A-2 A-3 A-4 10BASE-T From Punch Down To RJ-45 Into Block Wallplate OfﬁceDrop Device A-6 A-7 SEHI-32/34 Punch Wall Plate Champ Down Block If Required Ethernet Device Figure A-1. Punch Down Block A-9 Spanish Power Supply CordGerman French