Multi-Tech Systems MT3334HD8 manual Command Values Description

			E AT Command Summary
Command	Values	Description
In	n = 0, 1, 2,	Inquire Product Codes
	or 5	I0	Request modem ID #.
		I1	Request firmware revision #.
		I2	Request modem description.
		I5	Request DSP version.
#Ix	x = password	Enter Login Password
		Password is case sensitive.
#I=x	x = password	Store Login Password
		Password must be 6–10 characters long, and may
		consist of any keyboard characters.
Ln	n = 0, 5–11	List Commands

#Ln	n = 0, 1, 2, 3,
	or 8

LList stored telephone numbers.

L5 List current operating parameters.

L6 List current S-register values.

L7 List additional parameters.

L8 List online diagnostic parameters.

L9 List line probe signal strength data.

L10 List line probe signal to noise ratio.

L11 List line probe noise data.

Note: To use L9, L10, or L11 when online, you must first escape to command mode by typing

+++ATLn<CR> (for n type 9, 10, or 11). Type ATO to return on line.

V.42 Error Correction Mode

*** #L0	Modems negotiate V.42 mode.
#L1	MNP on and LAP-M off (originate mode only).
#L2	LAP-M on and MNP off (originate mode only).
#L3	Disable detection phase and go directly to LAP-M.

Mn	n = 0, 1, 2,
	or 3

Modem Speaker Control

M0 Modem speaker always off.

***M1 Modem speaker on until carrier signal detected.

M2 Modem speaker always on.

M3 Monitor speaker on during dialing, off during handshaking.

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