APPENDIX A: EPIM INFORMATION
A-6
SEHI USER’S GUIDE
A.1.5
EPIM-A and EPIM-X (AUI Port)
The EPIM-A is a DB15 female connector used to attach segments to an
external transceiver. The EPIM-X is equipped with dual internal
transceivers. It has a DB15 male connector used to attach segments to an
AUI cable. Figure A-5 shows both modules.
Figure A-5. The EPIM-A and EPIM-X
DB15 Pinouts
Pin
1
Logic Ref.
9
Collision -
2
Col
10 Transmit -
3
Tr
11 Logic Ref.
4
Logic Ref.
12 Receive -
5
R
13 Power (+12Vdc)
6
Power Return
14 Logic Ref.
7
No Connection
15 No Connection
Connector Shell:
Protective Ground
1490_35
