Paradyne 3160 Operator's Manual page 199

DTE Drop/Insert Interface
The DTE Drop/Insert (DSX-1) interface connector is a DB15-type socket
connector (Table D-2). For information about using Relay Contact Sense for
external DTE loopback, refer to the Extrn DLB configuration option in
Interface Configuration Options
The DTE Drop/Insert (DSX-1) cable (Figure D-3) is typically supplied by a DTE
vendor. It is made of shielded twisted-pair wires (22 AWG). The cable connector
is a DB15-type plug connector. Be sure to connect the shield ground only at the
DSU/CSU end to prevent ground loops.
Figure D-3. DTE Drop/Insert (DSX-1) Cable
3160-A2-GB21-80
Table D-2. DTE Drop/Insert (DSX-1) Connector
Signal
Receiver Tip from DTE
Receiver Ring from DTE
Transmitter Tip to DTE
Transmitter Ring to DTE
Relay Contact Sense Return
Relay Contact Sense
Shield Ground
March 1999
of Appendix C, Configuration Options .
Pin Number
1
9
3
11
12
14
2, 4
Pin Assignments
DTE
D-3