Cabletron Systems BRIM-E100 Manual De Usuario
BRIM-E100 User’s Guide
Page A-1
APPENDIX A
FAST ETHERNET INTERFACE MODULE
SPECIFICATIONS
A.1 MODULE SPECIFICATIONS
The BRIM-E100 currently supports two Fast Ethernet Interface Modules:
the FE-100TX and the FE-100FX. This appendix provides specifications
for each module.
the FE-100TX and the FE-100FX. This appendix provides specifications
for each module.
A.1.1 FE-100TX
The FE-100TX is an RJ45 connector supporting Unshielded Twisted Pair
(UTP) cabling.
(UTP) cabling.
The slide switch on the FE-100TX determines the crossover status of the
cable pairs. If the switch is on 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.
positions.
Figure A-1
FE-100TX Pinouts
POSITION
=
(
NOT CROSSED OVER
)
1. TX+
2. TX-
3. RX+
4. NC
2. TX-
3. RX+
4. NC
5. NC
6. RX-
7. NC
8. NC
6. RX-
7. NC
8. NC
POSITION
X
(
CROSSED OVER
)
1. RX+
2. RX-
3. TX+
4. NC
2. RX-
3. TX+
4. NC
5. NC
6. TX-
7. NC
8. NC
6. TX-
7. NC
8. NC
FE-100TX
10
166505
100
x
=
book Page 1 Friday, April 19, 1996 9:53 AM