C. Connectors, Cables, and Pin Assignments
Standard EIA-232-D Crossover Cable
A standard crossover cable can be used to connect the COM port to an
external modem. The external modem must be configured so it is compatible with
the FrameSaver unit. See the procedure in
page C-5 to configure an external modem.
C-4
Pin 14
P1
Plug
Pin 1
Pin 13
Pin 25
P1
Pin
Chassis Ground
1
TXD
2
RXD
3
RTS
4
5
DSR
6
Signal Ground
7
CD (RLSD)
8
9
10
11
12
13
14
15
16
RXC
17
18
19
DTR
20
21
22
23
XTXC
24
25
August 2001
Configuring an External Modem
P2
Plug
Pin
P2
1
Chassis Ground
2
TXD
3
RXD
4
RTS
5
DSR
6
Signal Ground
7
CD (RLSD)
8
9
10
11
12
13
14
15
16
17
RXC
18
19
DTR
20
21
22
23
24
XTXC
25
9123-A2-GB20-20
on
Pin 1
Pin 14
Pin 25
Pin 13
496-15180