Cabletron Systems SEH-34, SEH-32, SEH-24 manual EPIM-2

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CONNECTING TO THE NETWORK

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.

18X

6X

17X

5X

16X

4X

15X

3X

14X

2X

13X

1X

EPIM-2

LNK

EPIM-T

LNK

EPIM-T

EPIM-1

Figure 4-1. SEH-22/24 Network Ports

2.Check that the applicable LNK LED for the port is on. If the LED is not on, perform each of the following steps until it is:

a.Check that the 10BASE-T device at the other end of the twisted pair segment is powered up.

b.Verify that the RJ45 connector on the twisted pair segment has the proper pinouts. Check the cable for continuity.

c.Check that the twisted pair connection meets dB loss and cable specifications outlined Chapter 2.

If a link still has not been established, contact Cabletron Systems Technical Support.

Page 4-2

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Contents 10BASE-T Stackable HUB USER’S Guide Printed On Recycled Paper FCC Notice DOC NoticeCabletron SYSTEMS, INC Program License Agreement Cabletron Software Program LicenseExclusion of Warranty Disclaimer of Liability United States Government Restricted RightsTable of Contents Contents Installation Connecting to the NetworkTroubleshooting Appendix B Twisted Pair Wiring Tables A-1Using this Manual Chapter IntroductionIntroduction Getting Help SEH OverviewRepeater Functionality SEH FeaturesPolarity Detection and Correction Stackable Capabilities Optional FeaturesEpim Daughter Board Upgrade Kit HubSTACK Interconnect CablesPart Description Application Number Rack Mount or Wall Mount HardwareCable Specifications HubSTACK Interconnect Cable RequirementsLength Insertion LossImpedance JitterDelay TemperatureCrosstalk NoiseFiber Optic Budget and Propagation Delay Cable Type Attenuation Maximum Cable LengthInstallation REQUIREMENTS/SPECIFICATIONS Connectors Thin-net Network Requirements for the EPIM-C ModuleCable Type TerminatorsAUI Cable Requirements for the EPIM-A and EPIM-X Modules Network Port SpecificationsAUI Cable SEH-22 and SEH-24 Network Port Speciﬁcations SEH-32 and SEH-34 Network Port SpeciﬁcationsPin Champ Connector Installation REQUIREMENTS/SPECIFICATIONS Epim Specifications EPIM-TEPIM-F1/F2 Parameter Typical Worst Worst Case Typical Value BudgetEPIM-F3 EPIM-F3Parameter Typical Minimum Maximum Connector Type EPIM-CEPIM-A and EPIM-X AUI Port EPIM-A and EPIM-XOperating Specifications Delay Times Start of PacketsDelay Times JAM GeneralFault Protection Power Supply RequirementsOutput Min. Load Max. Load Max Power JAM OutputSafety PhysicalInstalling the SEH Unpacking the SEHStacking the SEH SEH-2410BASE-T HUB with Lanview Attaching the Strain Relief Bracket Disconnect SEH and Sehi Interconnect Cables At the OUT PortInstalling the SEH in the Rack Rack Mounting the SEHWall Mounting the SEH Free-Standing Installation Shelf or Table-top InstallationInstallation Connecting the SEH to the Power Source Connecting the SEH to the Network Connecting Network Ports SEH-22 and SEH-24EPIM-2 Connecting Network Ports SEH-32 and SEH-34 Connecting a UTP Segment to an EPIM-T EPIM-T Cross-over SwitchConnecting 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-AConnecting an AUI Cable to an EPIM-X Finishing the Installation On Position Toward Back Epim OFF Position Toward FrontChapter Troubleshooting Installation CHECK-OUTUsing Lanview PWR Green Mgmt Green FlashingRCV Yellow Flashing CLN RedLNK Green Appendix a Twisted Pair Wiring Tables Twisted Pair Wiring TablesA-2 A-3 A-4 10BASE-T From Punch Down To RJ-45 Into Block Wallplate OfﬁceDrop Device A-6 A-7 SEH-32/34 Punch Wall Plate Champ Down Block If Required Ethernet DeviceFigure A-1. Punch Down Block A-9 Power Supply Cord GermanSpanish French