Table B-13. Cd Options At Commands; Table B-14. Tr Options At Commands; Table B-15. Sr Options At Commands - ADTRAN DSU III AR User Manual

Front Panel
1=FORCED ON
2=NORMAL
3=OFF WITH LOCD
Front Panel
1=IGNORE
2=IDLE WHEN OFF
3=OFF>ON DIAL #1
4=OFF>ON DIAL #2
Front Panel
1=FORCED ON
2=OFF OOS ONLY
3=OFF LOCD ONLY
4=OFF TEST ONLY
5=OFF TEST +OOS
6=OFF TEST +LOCD &S5
61202011L1-1

Table B-13. CD Options AT Commands

AT Command Description
&C0 On all the time.
&C1 On only when data present on loop.
&C2 On except after disconnect in Switched
56 application.

Table B-14. TR Options AT Commands

AT Command Description
&D0 Ignore the TR input.
&D2 See the following Note.
&D3 Dial Stored #1: TR goes off to on
(SW56 only).
&D4 Dial Stored #2: TR goes off to on
(SW56 only).

Table B-15. SR Options AT Commands

AT Command Description
&S0 Always on.
&S1 Off when network Out Of Service
(OOS).
&S3 Off 5 seconds after disconnect (SW56
only).
&S0_C0 Off when unit is in test.
&S1_C0 Off in test or OOS.
Off 5 seconds after disconnect or test.
DSU III AR User Manual
Appendix B. AT Commands
B-7