Installation manual

T1 CSU and T1 DSU/CSU Interface Connectors
B-93000-A2-GA31-F0 March 2001
Standard EIA-232-D Crossover Cable
A standard EIA-232-D crossover cable can be used to
connect to an external modem. Refer to Figure B-10.
Pin 1
Pin 14
Pin 13
Pin 25
Pin 1
Pin 14
Pin 13
Pin 25
P2
Plug
Chassis Ground
TXD
RXD
RTS
CTS
DSR
Signal Ground
CD (RLSD)
DTR
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
497-15180a
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
CTS
DSR
Signal Ground
CD (RLSD)
DTR
Pin P2
P1
Plug
Figure B-10. Standard EIA-232-D Crossover Cable