Enterasys-networks BRIM-E6 Manual de usuario descargar pdf (Pagina 29)

BRIM-E6 USER’S GUIDE Page 25

APPENDIX A

EPIM SPECIFICATIONS

This appendix provides speciﬁcations for Cabletron’s Ethernet Port

Interface Modules (EPIMs).

A.1 EPIM-T (10BASE-T TWISTED PAIR PORT)

Internal Transceiver: Cabletron Systems TPT

10BASE-T Twisted Pair Transceiver

Type: 8 Pin RJ-45 Jack

A slide switch on the EPIM-T determines the cross over status of the

cable pairs. The switch residing on the X side indicates the pairs internally

cross over. If the switch resides on the = side, the pairs do not internally

cross over. See Fig. A-1.

Figure A-1. Cross-over Switch on the EPIM-T

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

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Enterasys-networks BRIM-E6 Manual de usuario Pagina 29