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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.
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 -