User's Manual

AT Commands
5-24 Modem 3600
EPROM Check I
PC software packages may issue the I command to verify the modem
will support all commands needed by the software package. The modem
returns ASCII characters representing the model and revision level. To
request the checksum to be calculated on the EPROM, enter the I1
command. The modem returns four ASCII characters representing the
cyclic redundancy check (CRC) in hexadecimal form. Enter the I3
command to request the product version.
Speaker Volume L
The L commands offer three volume levels.
Speaker Control M
The M commands enable or disable the speaker for monitoring purposes.
Command Operation
I Request product code
I1 Request EPROM checksum value
I3 Request product version
I4 Returns Motorola V.3600
I5 Last disconnect reason
Command Operation
L, L1, L2 Speaker volume low
L3 Speaker volume high
Command Operation
M Disables the speaker
M1 Disables the speaker while receiving a carrier signal
M2 Speaker always on
M3 Disables the speaker while dialing and after a
carrier is detected