Linktest command is used to test the current link status and can be used
to monitor the link, based on the specified duration. CLI prompt will not be
accessible while linktest is running
The linktest shows the following in the output
Lock: Radio Lock Status
1: if all modem locks are locked
0: if any lock indicator shows unlocked
RSSI: The current RSSI value
MSE: The current MSE value
BER : The instantaneous BER value (1sec interval)
loglevel [0-2]
<0: Setting, 1: Event, 2: Status>Default: 2
Configuration Storage: Yes