Motorola MVME2600 manual Serial Ports, Serial Connections-MVME712M Ports

4

Connector Pin Assignments

Serial Ports 1-4

For the MVME2603/2604, the interface for asynchronous ports 1 and 2 and for synchronous/asynchronous ports 3 and 4 is implemented with four EIA-232-D DB25 connectors (J7-J10) located on the front panel of the MVME712M transition module. The pin assignments for serial ports 1-4 on the MVME712M are listed in the following table.

Table 4-12. Serial Connections—MVME712M Ports 1-4

1	No Connection
2	ETxDn
3	ERxDn
4	ERTSn
5	ECTSn
6	EDSRn
7	GND
8	EDCDn
9	No Connection
10	No Connection
11	No Connection
12	No Connection
13	No Connection
14	No Connection
15	ERTxC (Port 4 only)
16	No Connection
17	ERRxC (Port 4 only)
18	No Connection
19	No Connection
20	EDTRn
21	No Connection

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