Epim-A And Epim-X (Aui Port - Cabletron Systems Environmental Module TM 9C300-1 User Manual

EPIM-A and EPIM-X (AUI Port)

The EPIM-A is a DB-15 female connector used to attach segments to an external
transceiver. The EPIM-X is equipped with dual internal transceivers. It has a
DB-15 male connector used to attach segments to an AUI cable. Figure A-6 shows
both modules.
Table A-4 lists the DB-15 pinouts.
*
Connector Shell: Protective Ground
Figure A-6. The EPIM-A and EPIM-X
Pin Number Represents
1 Logic Ref.
2 Collision +
3 Transmit
4 Logic Ref.
5 Receive
6 Power Return
7 No Connection
9 Collision -
Table A-4. DB-15 Pinouts
Pin Number
10
11
12
13
14
15
*
Connector Shell
EPIM-A and EPIM-X (AUI Port)
Represents
Transmit -
Logic Ref.
Receive -
Power (+12Vdc)
Logic Ref.
No Connection
Positive Ground
A-7