Paradyne 3160-A2-GB21-50 EIA 530A-to-X.21 Cable Interface

Pin Assignments
D-133160-A2-GB21-50 January 1997
EIA 530A-to-X.21
Cable Interface
The EIA 530A-to-X.21 adapter cable (Figure D-9)
provides the X.21 interface shown in Table D-9.
2
14
3
16
17
9
4
19
8
10
7
24
11
2
9
4
11
6
13
3
10
5
12
8
7
14
TD-A
TD-B
RD-A
RD-B
RXC-A
RXC-B
RTS-A
RTS-B
RLSD-A
RLSD-B
SIG. COMMON
TT-A
TT-B
TD-A
TD-B
RD-A
RD-B
RXC-A
RXC-B
RTS-A
RTS-B
RLSD-A
RLSD-B
SIG. COMMON
TT-A
TT-B
530
SIGNAL DB25 PLUG DB15
SOCKET X.21
SIGNAL
495-1478
7
Figure D-9. EIA 530A-to-X.21 Cable