Paradyne 3911 Figure C-4. Wiring Diagram 25-Pin Crossover Cable

COMSPHERE 3900 Series Modems
C-6 September 1998 3910-A2-GN32-40
To connect a Model 3910 port to another modem’s EIA-232-D interface, use a 25-pin crossover
cable (Figure C-4).
1
2
3
4
5
6
7
8
25-POSITION
PLUG PIN NO. 25-POSITION
PLUG PIN NO.
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
TXD
RXD
RTS
DSR
SG
LSD
RXC
DTR
XTXC
TXD
RXD
RTS
DSR
SG
LSD
RXC
DTR
XTXC
Figure C-4. Wiring Diagram — 25-Pin Crossover Cable