Westermo MRD-3x0 - Manual (Page 195)

195 6623-3201
8. AT Command Set
This section lists the AT Commands support by the MRD-3x0
Modem/Router. The commands are accessed via the serial
port when the unit is in either Circuit Switched Data (CSD)
mode or the serial port is set to modem emulation mode.
Basic Command Set
Command Description Usage
A Answer incoming call To answer incoming call: ATA
D Dial a phone number To dial phone number
12345678: ATD12345678
E Local echo ATE0 – No echo
ATE1 - Echo
H Hangup current call ATH or ATH0 - Hangup
current call
I Query modem iden-
tification ATI
L Speaker volume Accepted but ignored
M Monitor mode Accepted but ignored
O Return to online
mode While the modem is in the
online state but command
mode, to return to data
mode: ATO
P Pulse dialing Accepted but ignored
Q Set quiet responses ATQ0 – No quiet responses
ATQ1 – Quiet responses
T Tone dialing Accepted but ignored
V Set verbose respons-
es ATV0 – No verbose
responses
ATV1 – Verbose responses
X Set connect result
format Accepted but ignored
Z Initialise the modem ATZ