Table B-4. Test Options At Commands; Table B-5. At Commands For Storing Phone Numbers - ADTRAN DSU IV ESP User Manual

Front Panel
Test Timeout
Enter Timeout
RDL Enable/Disable
1=RDL Ignored
2= RDL Accepted &T4
EIA LLB Enable/Disable
1= Disabled
2= Enabled
EIA RLB Enable/Disable
1=Disabled
2=Enabled
DBU Answer Test
1= Disabled
2= Enabled
61204011L1-1
AT Command Description
S18=x
&T5
_A0
_A1
_R0
_R1
none
none

Table B-5. AT Commands for Storing Phone Numbers

AT Command
&Zn=
&Z9
&Z10=
DSU IV ESP User Manual

Table B-4. Test Options AT Commands

Specify 0 to 255 second test timeout
RDL request from remote DSU ignored
RDL request accepted
No response to local loopback
Responds to local loopback
No response to remote loopback
Responds to remote loopback
Remote unit does not accept DBU tests
from far end
Remote unit accepts DBU tests from
far end
Description
Store Phone Number
Enter SPID Number for ISDN dial backup
Edit LDN for ISDN dial backup
Appendix B. AT Commands
B-7