Cabletron Systems EMM-E6 manual Position X crossed over RX+ TX+ Position = Not crossed over

Page 31

Connecting to the Network

Position X (crossed over)

1. RX+

5. NC

2. RX-

6. TX-

3. TX+

7. NC

4. NC

8. NC

Position =

(not crossed over)

1. TX+

5.

NC

 

2. TX-

6.

RX-

 

3. RX+

7. NC

 

4. NC

8. NC

1926n08

Figure 3-5 EPIM-T Crossover Switch

1.Align the RJ45 connector with the socket of the RJ45 port. The connector will only insert and lock if the raised locking clip of the RJ45 connector is inserted into the correct location.

2.Press the RJ45 connector into the port until the click of the locking clip is felt. The pressure required to perform this should be minimal. If you encounter resistance or excessive friction, remove the connector and check the port for obstruction. Also, verify that the connector and the port are of the same type.

Once the locking clip snaps into place, the RJ45 connector will remain in the port.

3.Check that the LNK indicator LED is ON. If the indicator is not ON, the port does not have a valid link. Perform each of the following steps until you reach a resolution of the problem and achieve a link.

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

b.Verify that the RJ45 connectors on the twisted pair segment have the proper pinouts.

EMM-E6 Installation Guide

3-11

Image 31
Contents EMM-E6 Ethernet Bridge Management Module Installation GuidePage EMM-E6 Installation Guide DOC Notice Cabletron Software Program License Declaration of Conformity Contents Adding Epims Chapter Introduction HOW to USE this ManualEMM-E6 Overview Introduction Following conventions are used throughout this document Document ConventionsGetting Help Related DocumentsFaceplate Chapter Controls and IndicatorsInternal Components Internal Components Epim Connector Pins Ldram Simm Slot Lanview Leds Reset CPU B a Stby RCV XMT CLNLanview Leds EMM-E6 Installation Guide Unpacking the EMM-E6 Chapter InstallationPerform a second visual inspection of the module EMM-E6 Dip Switches Setting Mode SwitchesEMM-E6 Installation Guide PRE-INSTALLATION Test Pre-Installation Test Configuration Install the EMM-E6 into the MMAC-FNB backplane as follows InstallationModule Guide Channels Reset CPU B a Stby RCV XMT CLN Connecting a 10BASE-T Segment to an EPIM-T Connecting to the NetworkPosition X crossed over RX+ TX+ Position = Not crossed over Cable Pinouts RJ45 Port Connecting a 10BASE-F Segment to an EPIM-F2 or EPIM-F3 ST Connector Insertion Connecting a 10BASE-F Segment to an EPIM-F1 SMA Connector Insertion EPIM-A Connecting an AUI Segment to an EPIM-X orConnecting a 10BASE2 Segment to an EPIM-C 10 BNC Connector Insertion 11 Backplane Test Configuration Backplane TestUsing Lanview Leds Chapter TroubleshootingTroubleshooting Using Lanview Leds Troubleshooting Checklist Troubleshooting Checklist EPIM-A Using the Reset Switch EMM-E6 Installation Guide Physical Specifications Appendix a SpecificationsOperating Specifications Certification Environmental RequirementsCOM Port Pinout Appendix B Upgrading the EMM-E6 Locating Brim ConnectorsAdding Epims To install an EPIM, perform the following stepsLocating SIMMs Simm UpgradesFigure B-3, refer to the procedures below Installing SIMMsNetwork Requirements Appendix C Ethernet Cabling Requirements1 10BASE-T Twisted Pair Network Appendix C Ethernet Cabling Requirements Multimode Fiber Optic Network Single Mode Fiber Optic Network Transceiver Requirements 4 10BASE2 Coaxial Cable NetworkEMM-E6 Installation Guide Numerics IndexIndex-2 EMM-E6 Installation Guide Lanview LEDs EMM-E6Installation
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