RAD Data comm ASMi-31 Dokumentacja Pobierz pdf (Strona 54)

Appendix C. X.21 Interface Module ASMi-31

Installation and Operation Manual

C-2 X.21 Connectors

Pin Assignment

Table C-1 shows the X.21 DB-15 pin assignment.

Table C-1 IR-X.21 DB-15 (RS-422) Connector Pin Assignment

Pin ID Function

1 Shield Chassis connection

2 A Transmit signal A

3 A Control A

4 A Receive A

5 A Indication A

6 A Signal timing A

7 A External Timing

8 GND Common

9 B Transmit B

10 B Control B

11 B Receive B

12 B Indication B

13 B Signal Timing B

14 B External Timing

15 Not connected

1 2 ... 49 50 51 52 53 54 55 56 57 58 59 ... 65 66

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RAD Data comm ASMi-31 Dokumentacja Strona 54