Paradyne HotWire 7974 User Manual page 150

Cables and Pin Assignments
EIA-530-A-to-RS-449 Interface
SIG. COMMON
RCV. COMMON
SIG. COMMON
C-10
The EIA-530-A-to-RS-449 adapter cable (Figure C-6) provides the RS-449
interface shown in Table
530
DB25
SIGNAL PLUG
SHIELD 1
TD-A 2
TD-B 14
RD-A 3
RD-B 16
TXC-A 15
TXC-B 12
RXC-A 17
RXC-B 9
RTS-A 4
RTS-B 19
CTS-A 5
CTS-B 13
DTR 20
RLSD-A 8
RLSD-B 10
DSR 6
7
RL 21
LL 18
23
TT-A 24
TT-B 11
TM 25
22
Figure C-6. EIA-530-A-to-RS-449 Cable Pinouts (Feature Number 7900-F1-504)
August 1999
C-7.
98-15902
DB37 449
SOCKET SIGNAL
1 SHIELD
4 TD-A
22 TD-B
6 RD-A
24 RD-B
5 TXC-A
23 TXC-B
8 RXC-A
26 RXC-B
7 RTS-A
25 RTS-B
9 CTS-A
27 CTS-B
12 DTR-A
13 RR-A
31 RR-B
11 DM-A
19 SIG. COMMON
14 RL
10 LL
20 RCV. COMMON
17 TT-A
35 TT-B
18 TM
29 DM-B
30 DTR-B
495-14323-01
7970-A2-GB20-00