Paradyne 3172 Operator's Manual page 130

ACCULINK 3172 and 3174 E1 DSU/CSU
EIA-530-A-to-RS-449
Cable Interface
The EIA-530-A-to-RS-449 adapter (Figure D-5)
provides the RS-449 interface shown 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
RCV. COMMON
TT-A
TT-B
TM
SIG. COMMON
D-8
Table D-6.
DB25
PLUG
1
2
14
3
16
15
12
17
9
4
19
5
13
20
8
10
6
7
21
LL 18
23
24
11
25
22
Figure D-5. EIA-530-A-to-RS-449 Adapter
SOCKET
March 1999
DB37 449
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
3170-A2-GB20-30