
COMSPHERE 392xPlus Modems
Loc Digital Loop
Loc Digital Loop is issued by a local modem and forces it to loopback any data received from the remote modem (Figure
NOTE
A TMp tributary cannot perform a local digital loopback test.
Figure 3-6. Local Digital Loopback
To access Loc_Digital_Loop from the Test branch, make the following selections:
Test:
Loc_Digital_Loop
Press the
F1 F2 F3
key until Loc_Digital_Loop appears. Press any function key to start this test.
Pick Test Port | > |
Port1 | Port2 |
F1 F2 F3
If the mux is enabled, select the appropriate port by pressing the corresponding function key. Press
the key to scroll other ports into view.
November 1996 |