CANOGA PERKINS 2461 E1 Modem - Manual (Page 25)

EdgeAccess Universal Chassis System
2.5.2 DA-15 Pin Out
DA-15 pin outs:
Pin 15
Pin 1 PIN Direction
1 Rx (Input)
9 Rx (Input)
3 Tx (Output)
11 Tx (Output)
Figure 18: DA-15 Pin Out.
2461 Modem User Manual 2-7