ADTRAN DSU IV ESP, User Manual

Page: 78 / 194

Chapter 8. Configuring Test Options
8-2 DSU IV ESP User Manual 61204011L1-1
Test Timeout
The T
EST
T
IMEOUT
option sets the length of time a DSU IV ESP
remains in a test mode before automatically returning to the data
mode. Enter the timeout in two-digit decimal value. The factory
default setting is
OFF
( 0 ).
Remote Digital Loopback (RDL)
The RDL option specifies whether the DSU IV ESP responds to an
RDL request from the far end of the circuit. The factory default
setting is
RDL A
CCEPTED
.
Table 8-1. Test Options AT Commands
Front
Panel
AT
Command
Description
Test Timeout
Enter Timeout S18=x Specify 0 to 255 second test timeout
RDL Enable/Disable
1=RDL Ignored &T5 RDL request from remote DSU ignored
2= RDL Accepted &T4 RDL request accepted
EIA LLB Enable/Disable
1= Disabled _A0 No response to local loopback
2= Enabled _A1 Responds to local loopback
EIA RLB Enable/Disable
1=Disabled _R0 No response to remote loopback
2=Enabled _R1 Responds to remote loopback
DBU Answer Test
1= Disabled none Remote unit does not accept DBU tests
from far end
2= Enabled none Remote unit accepts DBU tests from
far end