Eia-530-A-To-Rs-449 Interface - Paradyne 7974 User Manual

EIA-530-A-to-RS-449 Interface

The EIA-530-A-to-RS-449 adapter cable
Pinouts (Feature Number
in
530
SIGNAL
SHIELD
TD-A
TD-B
RD-A
RD-B
TXC-A
TXC-B
RXC-A
RXC-B
RTS-A
RTS-B
CTS-A
CTS-B
DTR
RLSD-A
RLSD-B
DSR
SIG. COMMON
RL
LL
RCV. COMMON
TT-A
TT-B
TM
SIG. COMMON
Figure C-5.
7900-A2-GB21-20
7900-F1-505)) provides the RS-449 interface shown
Table C-6, RS-449 Cable
DB25
PLUG
1
2
14
3
16
15
12
17
9
4
19
5
13
20
8
10
6
7
21
18
23
24
11
25
22
EIA-530-A-to-RS-449 Cable Pinouts (Feature Number 7900-F1-505)
December 2001
C. Connectors, Cables, and Pin Assignments
(Figure C-5, EIA-530-A-to-RS-449 Cable
Interface.
98-15902
DB37
SOCKET
1
4
22
6
24
5
23
8
26
7
25
9
27
12
13
31
11
19
14
10
20
17
35
18
29
30
449
SIGNAL
SHIELD
TD-A
TD-B
RD-A
RD-B
TXC-A
TXC-B
RXC-A
RXC-B
RTS-A
RTS-B
CTS-A
CTS-B
DTR-A
RR-A
RR-B
DM-A
SIG. COMMON
RL
LL
RCV. COMMON
TT-A
TT-B
TM
DM-B
DTR-B
495-14323-01
C-9