ZyXEL Communications U-336S User Manual page 101

Command Options Function & Description
In
I0
I1
I2
I12
Ln n=0-7
4 *
Mn
M0
M1 *
M2
M3
Nn n=0-7
5 *
O
O1
Qn
Q0 *
Q1
Q2
Sr.b=n
Sr.b?
Display inquired information
Display numerical product code,
same as 'ATI'
Display product information and
ROM checksum
Display modem link status report
Display physical layer status
Speaker volume control. The
higher the value, the higher the
volume
Speaker control
Speaker always OFF
Speaker ON until call is
answered
Speaker always ON
Speaker ON after the last digit is
dialed out and OFF when carrier
is detected
Ring volume control.'N0' will
disable the audio ring function
Return to on-line state
Force modem to request a retrain
Result code displayed
Modem returns result code
Modem does not return result
code
Modem returns result code but
quiet after answering on a RING
(see also S42.2)
Set bit 'b' of S-register 'r' to value
'n'. 'n' is a binary digit '0' or '1'
Display value of bit 'b' of S-
AT Command Set Summaries 89
Ref.
S24.5-7
S21.1-2
S24.1-3
S23.7
S40.1