Black Box MD1650A-JP, Reference Manual

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V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM AT COMMANDS GUIDE
6
Command: L5 Lists Current Operating Parameters
Values: 5
Default: None
Description: Displays the current values for the error correction, flow control, data
compression, and serial port speed commands.
For example:
atL5
&E2 &E3 &E15 $SB115200
OK
Command: M n Monitor Speaker Mode
Values: n = 0, 1, 2, or 3
Default: 1
Description: Displays the current values for the error correction, flow control, data
compression, and serial port speed commands.
M0
Speaker is always off.
M1 Speaker is on until the carrier signal is detected.
M2 Speaker is always on when the modem is off-hook.
M3 Speaker is off when receiving carrier and during dialing, but
on during answering.
Command: O n Return Online to Data Mode
Values: n = 0 or 1
Default: None
Description: O0 Exit online command mode and return to online data mode
without a retrain. Normally used after a +++ escape (see
+++ escape sequence).
O1 Exit online command mode and return to online data mode
after a retrain.
Command: P Pulse Dialing
Values: P, T
Default: T
Description: Forces pulse (non-touchtone) dialing until a T command or T
modifier is received.
Command: Q n Result Codes Enable/Disable
Values: n = 0 or 1
Default: 0
Description: Q0 Enables result codes.
Q1 Disables result codes.
Command: S r Select Register
Values: r is the S-Register number
Default: None
Description: Selects register S r as the last register accessed; for example, S0. The
command AT? can then be used to read the register, and the command
AT=
n can be used to set the register to value n .