E. Connectors, Cables, and Pin Assignments
E-12 December 2002 9700-A2-GB20-20
DB25-to-DB25 Crossover Cable
A standard crossover cable can be used to connect the Model 9783 COM por t to
an external modem. The external modem must be configured so it is compatible
with the FrameSaver CSU/DSU. See

Ethernet Port Connector

on page E-6 to
configure an external modem.
This does not apply to the router.
Pin 1
Pin 14
Pin 13
Pin 25
Pin 1
Pin 14
Pin 13
Pin 25
P2
Plug
Chassis Ground
TXD
RXD
RTS
DSR
Signal Ground
CD (RLSD)
RXC
DTR
XTXC
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
Pin
496-15180
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
P1
Chassis Ground
TXD
RXD
RTS
DSR
Signal Ground
CD (RLSD)
RXC
DTR
XTXC
Pin P2
P1
Plug