Multi-Tech Systems MT3410ZLX-T/2 Manual De Usuario

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MultiMobile Owner’s Manual
64
AT& (Ampersand) Commands
Command
Options Function & Description
&Bn
Auto-retrain
&B0
Hang up on a poor received signal
&B1 *
Retrain on a poor received signal.
Hang up if condition persists longer
than the threshold set in S7 register
&B2
Don’t hang up; do not retrain (tolerate
any line)
&Cn
Data carrier detect option
&C0
State of carrier from remote modem is
ignored. RLSD  (Receive Line Signal
Detect) circuit is always on
&C1 *
State of carrier from remote modem is
tracked. RLSD circuit reflects the state
of carrier
&Dn
Data Terminal Ready (DTR) option.
&D0
DTR ignored
&D1
Go to command mode on on-to-off
DTR transition
&D2 *
Hang up and go to command mode on
on-to-off DTR transition. Auto-answer
is disabled if DTR is low
&D3
Hang up and reset from user profile 0
on on-to-off DTR transition
&F
Recall factory default setting as active
configuration
&Gn
Guard tone option
&G0 *
No guard tone
&G1
550 Hz guard tone
&G2
1800 Hz guard tone
&Jn
Dummy command for AutoSync
compatibility
&J0
Send OK to DTE
* Factory default setting