Reference Guide for the Model XM128 ISDN Digital Modem
C-6 AT Command Set ReferenceJSn n=0-255
*32 Sub-threshold for MPPP in Kbps unit
KAxn n=0-63
*0 Add-persist time interval for BOD ; BOD disabled i f n=0
x= M(in Minute unit) or S(in Second unit)
KSxn n=0-63
*0 Sub-persist time interval for BOD ; BOD disabled i f n=0
x= M(in Minute unit) or S(in Second unit)
Ln n=0-3
2 * Speaker volume control. The higher the value, the higher the volume.
Mn M=0-2 Speaker control.
M0 Speaker always off.
M1 * Speaker on until cal l is answered.
M2 Speaker always on.
Nn n=0-3
3 * Ring volume control. The No command disables the audio ring function.
O Return to online state
Pn n=0-6 D channel protocol selection (USA) for American version
P0 * Northern Telecom proprietary ISDN
P1 National ISDN 1 (1 SPID)
P2 National ISDN 1 (2 SPID)
P3 Reserved
P4 AT&T custom point-to-point
P5 AT&T custom point-to-multipoint (1 SPID)
P6 AT&T custom point-to-multipoint (2 SPID)
Qn n=0-1 Result code displayed. See also S-register 2 3.7. For a description of Extended
S-registers, refer to TableD-4 on page D-5 in Appendix D, “Status Registers
and Result Codes."
Q0 * The Model XM128 modem returns result code.
Q1 The Model XM128 modem does not return result code.
Sr.b=n Set bit b of S-register r to value n. The value n is a binary digit 0 or 1.
Sr.b? Display value of bit b of S-register r.
Sr=n Set S-register r to value n, which must be a decimal number between 0 and
255.
Sr? Display value stored in S-register r.
TableC-1. Basic AT command set (continued)
Command Options Function and description