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Appendix A
EPIMs
The 9E106-06 Ethernet Switching Module provides one port per channel for
Cabletron Systems EPIMs. EPIMs allow connecting to the 9E106-06 using
different media types. Cabletron Systems offers a variety of EPIMs whose
specifications are explained in the following sections.
EPIM-T
The EPIM-T is an RJ-45 connector supporting UTP cabling. It has an internal
Cabletron Systems TPT-T™ 10BASE-T Twisted Pair Transceiver.
The slide switch on the EPIM-T 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-T in both crossover positions.
The link distance is up to 100 meters on unshielded twisted pair cable as specified
by ANSI TP-PMD.
Figure A-1. EPIM-T Pinouts
Verify that the EPIM is the proper revision before installing it. See Installing the
EPIM on page 2-4 for details.
NOTE
Position =
(not crossed over)
1. TX+
2. TX-
3. RX+
4. NC
5. NC
6. RX-
7. NC
8. NC
Position X
(crossed over)
1. RX+
2. RX-
3. TX+
4. NC
5. NC
6. TX-
7. NC
8. NC