Bilateral Test Enable / Disable; Dte Controlled Remote Digital Loopback (Pin 21); Dte Controlled Local Analog Loopback (Pin 18) - Motorola V.3400 User Manual

Bilateral Test Enable / Disable *DG
Enable or disable bilateral test functions.
Command
*DG
*DG1
* default
DTE Controlled Remote Digital Loopback (Pin 21) *RD
To enable DTE controlled remote digital loopback, enter *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 then returns to
online data mode. To disable this function enter the *RD command.
Command
*RD
*RD1
* default
Note
If the test timeout option is enabled and pin 21 remains
high, the modem returns to online mode at the end of the test
timeout period and will not re-enter the test mode until an
off-to-on transition of pin 21 is detected.
DTE Controlled Local Analog Loopback (Pin 18) *LA
To enable DTE controlled local analog loopback test, enter *LA1.
Enabled, the modem goes into local analog loopback when it detects an
off-to-on transition of pin 18. Test ends when it detects an on-to-off
transition of pin 18. To disable, enter *LA.
Command
*LA
*LA1
* default
Bilateral digital loop disabled *
Bilateral digital loop enabled
Ignore pin 21 *
RDL enabled (pin 21)
Ignore pin 18 *
LAL enabled (pin 18)
Operation
Operation
Operation
V.3400
Test Mode Operation
7-9