ZyXEL Communications U-1496 series User Manual page 46

Mn (2,1)
*En (0)
handshake fails.
S22 Reserved.
S23 Bit-mapped register, default = 105
Qn (7)
Vn (6)
Xn (5,4,3) =0;
&Pn (2)
T (1)
P
En (0)
S24 Bit-mapped register, default = 138
Ln (7,6,5) =0-7;
Nn (3,2,1) =0-7;
S25 Reserved.
S26 RTS/CTS Delay, default = 0
Sets the delay, in 10 millisecond units, between RTS and modem's CTS response in
synchronous mode. (See &Rn)
S27 Bit-mapped register, default = 156
*Qn (7,6)
quality changes.
&Hn (5,4,3) =0;
&Kn (2,1,0) =0;
=0; Speaker always OFF.
=1; Speaker ON until carrier is detected.
=2; Speaker always ON.
=3; Speaker ON after last digit is dialed out until carrier detected.
=0; Maintain non-error control connection when error control
=1; Drop connection when error control handshake fails.
=0; Modem returns result code.
=1; Modem does not return result code. (See also S40b1)
=0; Display result code in numeric format. (See S35b7)
=1; Display result code in verbose format.
Basic result code (0-4). (See result code table for ATXn)
=1; Result code (0-5, 10-21).
=2; Result code (0-6, 10-21).
=3; Result code (0-5, 7-21).
=4; Result code (0-21).
=5; Error control result code enabled.
=6; Error control result code enabled.
=7; Error control result code enabled.
=0; Pulse dial make/break ratio=39%/61%.
=1; Pulse dial make/break ratio=33%/67%.
=0; Tone dial.
=1; Pulse dial.
=0; Command echo disabled.
=1; Command echo enabled.
Speaker volume control.
Ring volume control.
=0; No response to poor signal quality.
=1; Initiate retrain to poor signal quality. (See also S41b2)
=2; Adaptive rate (auto fall-back and fall-forward) when signal
=3; Disconnect when signal quality is poor.
Flow control disabled.
=1; Reserved.
=2; Reserved.
=3; Hardware CTS/RTS flow control.
=4; Software XON/XOFF flow control.
=5; Reserved.
No error control.
=1; MNP4 (includes MNP3, see also S41b0).