Cabletron Systems 9E138-36b - Manual (Page 32)

EPIMs
A-2
Figure A-1. EPIM-T Pinouts
EPIM-F1 and EPIM-F2
The EPIM-F1 and EPIM-F2 support Multimode Fiber Optic cabling. Each EPIM
has an internal Cabletron Systems FOT-F™ Fiber Optic Transceiver. The EPIM-F1
is equipped with SMA Connectors and the EPIM-F2 is equipped with ST
Connectors. Figure A-2 shows both EPIMs. Specifications for the EPIMs are listed
in Table A-1.
The link distance is up to 2 kilometers on the multimode fiber-optic cable as
specified by ANSI MMF-PMD.
Figure A-2. EPIM-F1 and EPIM-F2
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
LNK
EPIM-T
LNK
EPIM-F1/F2
RX TX LNK
EPIM-F1/F2
RX TX