Cabletron Systems 9E132-15 ユーザーズマニュアル

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EPIMs
A-6
The AUI Cable must not exceed 50 meters in length. If 28 AWG thin office drop 
AUI cable is used, then the maximum cable length is limited to 15.24 meters.
Figure A-5. The EPIM-A and EPIM-X
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 -
EPIM-A
PWR
SQE
EPIM-X