11
Selects external clock.
AT&X1
AT&X2
Selects slave receive clock.
AT&Y
n
Power On Profile Selection Command
Recalls profile
n
when power on, where
n
= 0~3.
AT&Z
n
=
m
Store Telephone Number
The
n
indicates the telephone number locations, where
n
= 0~9.
The
m
is a dial string (refer to ATDs command) of up
to 35 characters. This command must be the last one
on a command line.
AT%C
n
Data Compression Protocol Selection
Disables data compression
Enables MNP5 error correction
Enables V.42bis data compression
AT%C0
AT%C1
AT%C2
AT%C3
Enables both MNP5 and V.42bis data compression
(Default)
AT%E
n
Retrain and Rate Negotiation Command
Disables auto retrain feature
Enables auto retrain feature
AT%E0
AT%E1
AT%E2
Enables auto retrain and rate negotiation with fall
back/forward feature (Default)
AT%L
Line Signal Level
Returns a value, which indicates the received signal
level. For example, 009 = -9 dBm, 043 = -43 dBm, and
so on.
AT%Q
Line Signal Quality
Reports the line signal quality. The line quality is
reported in three decimal digits, rang from 000(good)
to 128(poor).
AT%R
n
Ring Back Message Command
Disables ring back message (Default).
AT%R0
AT%R1
Enables ring back message
AT\A
n
Select Maximum MNP Block Size
The maximum MNP block size to be 64 characters
The maximum MNP block size to be 128 characters
The maximum MNP block size to be 192 characters
(Default)
AT\A0
AT\A1
AT\A2
AT\A3
The maximum MNP block size to be 256 characters
AT\B
n
Transmit Break to Remote
