Cabletron Systems CSX400-DC Podręcznik Użytkownika Pobierz pdf (Strona 236)

EPIM Specifications

222 CSX400 and CSX400-DC User’s Guide

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 82 shows both modules and Table 32 provides the DB15

pinouts.

Figure 82 The EPIM-A and EPIM-X

CAUTION

The EPIM-A is equipped with a fuse (F1) to protect against risk of ﬁre. For continued

protection against the risk of ﬁre, replace fuse F1only with the same type and rating of

fuse (1A, F250V).

Table 32 DB15 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 -

1 2 ... 231 232 233 234 235 236 237 238 239 240 241 ... 274 275

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