Cabletron Systems SEH-34 User Manual
Page 27
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INSTALLATION REQUIREMENTS/SPECIFICATIONS
Page 2-15
2.3.5
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 2-7 shows both modules.
Figure 2-7. The EPIM-A and EPIM-X
DB15 Pinouts
Pin
1
Logic Ref.
9
Collision -
2
Collision +
10 Transmit -
3
Transmit
11 Logic Ref.
4
Logic Ref.
12 Receive -
5
Receive +
13 Power (+12Vdc)
6
Power Return
14 Logic Ref.
7
No Connection
15 No Connection
Connector Shell:
Protective Ground
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