Sony PCS-5100 Operating Instructions Manual page 147

X.21 (A/B) connector (female)
to Rollabout Processor PCS-K70 X.21 Conversion
Connector Cable
18 1
36 19
(Rollabout Processor)
Half-pitch 36-pin connector
Pin Signal Description
1 SGND Signal ground
2 SGND Signal ground
3 CABLE1 Cable1
4 X21T+ Send data +
5 X21T– Send data –
6 X21R+ Send data +
7 X21R– Send data –
8 NC
9 NC
10 X21S+ Signal timing +
11 X21S– Signal timing –
12 X21I+ Indication +
13 X21I– Indication –
14 X21C+ Control +
15 X21C– Control –
16 SGND Signal ground
17 SGND Signal ground
18 SGND Signal ground
D-sub 15-pin connector (cable side)
Pin Signal Description
1 NC
2 X21T+ Send data +
3 X21C+ Control +
4 X21R+ Receive data +
5 X21I+ Indication +
6 X21S+ Signal timing +
7 NC
8 SGND Signal ground
D-sub 15-pin connector
1 8
9 15
(Cable side)
Pin Signal Description
19 SGND Signal ground
20 SGND Signal ground
21 CABLE2 Cable 2
22 NC
23 NC
24 NC
25 NC
26 NC
27 NC
28 NC
29 NC
30 NC
31 NC
32 NC
33 NC
34 SGND Signal ground
35 SGND Signal ground
36 SGND Signal ground
Pin Signal Description
9 X21T– Send data –
10 X21C– Control –
11 X21R– Receive data –
12 X21I– Indication –
13 X21S– Signal timing –
14 NC
15 NC
– –
Appendix
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A-23