Cabletron Systems TM 9C300-1 Manual De Usuario
A-7
EPIM-A and EPIM-X (AUI Port)
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.
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.
Figure A-6. The EPIM-A and EPIM-X
Table A-4 lists the DB-15 pinouts.
*
Connector Shell:
Protective Ground
Table A-4. DB-15 Pinouts
Pin Number
Represents
Pin Number
Represents
1
Logic Ref.
10
Transmit -
2
Collision +
11
Logic Ref.
3
Transmit
12
Receive -
4
Logic Ref.
13
Power (+12Vdc)
5
Receive
14
Logic Ref.
6
Power Return
15
No Connection
7
No Connection
*
Connector Shell
Positive Ground
9
Collision -