Multitech CommPlete MT5634HD8, User Manual, Page: 71 / 99

E AT Command Summary
CommPlete Communications Server 65
Command Values Description
*** \G0 Returns an OK for backward compatibility
with some software.
H n n = 0 or 1 Hook Control
*** H0 Go on-hook (hang up).
H1 Go off-hook.
I n n = 0, 1, 2, 3, Information Request
4, or 9 I0 Display default speed and controller firmware
version.
I1 Calculate and display ROM checksum (for
example, “12AB”).
I2 Check ROM and verify the checksum,
displaying OK or ERROR.
I3 Display default speed and controller firmware
version.
I4 Display firmware version for data pump (for
example, “94”).
I9 Display country code (for example, “NA Ver.
1”).
&J n n = 0 Auxiliary Relay Control
*** &J0 The auxiliary relay is never closed.
\J n n = 0 Data Buffer Control
*** \J0 Enable data buffer — serial port speed is
independent of connect speed
&K n n = 0, 3, or 4 Local Flow Control Selection
&K0 Flow control disabled.
*** &K3 Enable CTS/RTS hardware flow control.
&K4 Enable XON/XOFF software flow control.
\K n n = 5 Set Break Control
*** \K5 Modem sends break signal received from the
DTE to the remote modem.
L
In dialing
command Redial Last Number
Must be placed immediately after ATD .
L n n = 0, 1, 2, Monitor Speaker Volume
or 3 L0 Select low volume.
L1 Select low volume.
*** L2 Select medium volume.
L3 Select high volume.
M n n = 0, 1, 2, Modem Speaker Control
or 3 M0 Modem speaker always off.
*** M1 Modem speaker on until carrier signal
detected.
M2 Modem speaker always on.