Specifications

V.3229 / V.3229L <C#>-27
5
Asynchronous Operating Commands
*default
Note: Local analog loopback with or without test
pattern is the only test available in error control
mode.
Bilateral Test
Enable / Disable
*AN
*DG
Enable or disable bilateral test functions.
*default
DTE Controlled
Remote Digital
Loopback
(Pin 21)
*RD
To enable DTE controlled remote digital loopback,
enter AT*RD1. Enabled, the modem goes into
remote digital loopback when it detects an off-to-on
transition of pin 21 while in the online data mode.
Test ends when it detects an on-to-off transition of
pin 21 and the modem returns to online data mode.
To disable this function enter AT*RD.
Table 14:
Command Operation
*AN
*AN1
Bilateral analog loop disabled*
Bilateral analog loop enabled
*DG
*DG1
Bilateral digital loop disabled*
Bilateral digital loop enabled
G
enera
lC
omman
d
s,
C
ont.