Zhone 7995 ユーザーガイド
C. Connectors, Cables, and Pin Assignments
7990-A2-GB20-20
September 2004
C-9
EIA-530-A-to-RS-449 Interface
The EIA-530-A-to-RS-449 adapter cable (
Figure C-5, EIA-530-A-to-RS-449 Cable
Pinouts (Feature Number 7900-F1-505)
) provides the RS-449 interface shown
in
Table C-6, RS-449 Cable Interface
.
Figure C-5.
EIA-530-A-to-RS-449 Cable Pinouts (Feature Number 7900-F1-505)
98-15902
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
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
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
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
530
SIGNAL
DB25
PLUG
PLUG
DB37
SOCKET
449
SIGNAL
SIGNAL
495-14323-01