Step
1.
Enter system view.
2.
Enter cellular interface view.
3.
Set RSSI thresholds for the
3G/4G modem.
Issuing a configuration directive to a 3G/4G
modem
CAUTION:
Configuration directives might cause malfunction of a 3G/4G modem. When you issue a
configuration directive to the modem, make sure you understand the impact on the 3G/4G modem.
To issue a configuration directive to a 3G/4G modem:
Step
1.
Enter system view.
2.
Enter cellular interface view.
3.
Issue
directive
modem.
Configuring automatic reboot
The 3G modem might malfunction in an unstable 3G network or when the application environment
changes. During a malfunction, the modem cannot respond to the device's requests or configuration
commands. If the device does not receive any responses from the 3G modem within the timeout
interval, a response failure occurs. When the number of consecutive response failures reaches the
threshold, the device restarts the 3G modem automatically.
The device does not restart the 3G modem when the 3G modem has not made a successful dialup
since the last restart. This restriction avoids repeated restarts of the 3G modem when there are
configuration errors.
To configure automatic reboot:
Step
1.
Enter system view.
2.
Enter cellular interface view.
3.
Configure
Command
system-view
controller
interface-number
rssi { gsm | 1xrtt | evdo | lte }
{ low lowthreshold | medium
mediumthreshold }*
Command
system-view
controller
interface-number
a
configuration
to
the
3G/4G
sendat at-string
Command
system-view
controller
interface-number
the
response
modem response timer time
cellular
cellular
cellular
160
Remarks
N/A
N/A
The default setting depends on
the modem model.
The value of lowthreshold cannot
be smaller than the value of
mediumthreshold
because
system
automatically
negative
sign
to
the
thresholds.
Remarks
N/A
N/A
N/A
Remarks
N/A
N/A
By default, the response timeout
the
adds
a
RSSI
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