EPIM Specifications

APPENDIX A

EPIM INFORMATION

A.1 EPIM SPECIFICATIONS

EPIMs enable the connection of the SEH to the network using different media types.The SEHI100TX-22 supports the EPIM-100TX, EPIM-100FX, and the EPIM-100FMB. This appendix provides the specifications for each EPIM.

A.1.1 EPIM-100TX

The EPIM-100TX is an RJ45 connector supporting Unshielded Twisted Pair (UTP) cabling.

The slide switch on the EPIM-100TX determines the crossover status of the cable pairs. If the switch is on the X side, the pairs are internally crossed over. If the switch is on the = side, the pairs are not internally crossed over. Figure A-1 shows the pinouts for the EPIM-100TX in both positions.

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

1511_11

Figure A-1

EPIM-100TX Pinouts

 

SEH100TX User’s Guide

A-1

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Cabletron Systems SEH100TX-22 manual Appendix a Epim Information, Epim Specifications, EPIM-100TX