HP Carrier-grade cc2300 Product Manual page 116

For serial devices that require a DSR signal (default), the J5A2 jumper must be configured in position 3-4
(B in Figure 12-4).
For serial devices that require a DCD signal, the jumper must be in position 1-2 (A in Figure 12-4).
Figure 12-4. J5A2 Jumper Block for DSR Signal
DCD-DTR to Pin #7
116
A
5
C
6 2
B
5
DSR-DTR to Pin #7
6 2
TP138
Chapter 10