Black Box JPM260, Instructions Manual

Page: 40 / 41

RS-232 AND V.35 STANDARD PATCH PANELS
38
8. Data Communication Interfaces
Table 8-1. Data communication interfaces
Patch RS-232 V.35
Cavity Signal DB25 Signal DB25 M/34
Pin Pin Pin
FG 1 FG 1 A
2 SD 2 SD(A) 2 P
3 RD 3 RD(A) 3 R
4 RTS 4 RTS 4 C
5 CTS 5 CTS 5 D
6 DSR 6 DSR 6 E
7 SG 7 SG 7 B
8 DCD 8 DCD 8 F
9 9
10 10
11 11 LT 18 K
12 DCD(S) 12 SCR(B) 9 X
13 CTS(S) 13 SD(B) 14 S
14 SD(S) 14 SCT(B) 12 AA
15 SCT 15 SCT(A) 15 Y
16 RD(S) 16 RD(B) 15 T
17 SCR 17 SCR(A) 17 V
18 LL 18
19 RTS(S) 19
20 DTR 20 DTR 20 H
21 SQ 21
22 RI 22 RI 22 J
23 DSR 23 SCTE(B) 11 W
24 SCTE 24 SCTE(A) 24 U
25 BUSY 25
(S) = Secondary signal
(A),(B) = Balanced pairs