Reference Guide for the Model XM128 ISDN Digital Modem
C-10 AT Command Set Reference
&Knn V.120/X.75 compression control. The command &K must be followed by two
digits. See also S-register 83.2. For a description of Extended S-registers,
refer to TableD-4 on page D-5 in AppendixD, “Status Registers and Result
Codes."
&K00 Disables V.42bis.
&K44 Enables V.42bis.
&Ln Analog port selection during call answering. See also S-register 84.5. For a
description of Extended S-registers, refer to TableD-4 on page D-5 in
AppendixD, “Status Registers and Result Codes."
&L0 Sets priority to analog port, PHONE 1.
&L1 Sets priority to analog port, PHONE 2.
&On Set default call type for conventional dialing commands. See also S-register
83.4 and 83.5.For a description of Extended S-registers, refer to TableD-4
on pageD-5 in Appendix D, “Status Registers and Result Codes."
&O0 ATDs, ATDPs, and ATDTs default to make calls for analog adapter,
PHONE 2.
&O2 ATDs, ATDPs, and ATDTs default to make ISDN data calls.
&O3 ATDs, ATDPs, and ATDTs default to make calls for the analog adapter,
PHONE 1.
&Sn Data Set Ready (DSR) function selection. See also S-regist er 21.3. For a
description of Extended S-registers, refer to TableD-4 on page D-5 in
AppendixD, “Status Registers and Result Codes."
&S0 * DSR is overridden; DSR is always on.
&S1 DSR according to CCITT (ITU-TSS). See also S-regi sters 41.5 and 44 .4. F or
a description of Extended S-registers, refer to TableD-4 on page D-5 in
AppendixD, “Status Registers and Result Codes."
&Tn Model XM128 modem testing.
&T9 Initiates ISDN loopback test.
&T10 Initiates ISDN loopback with self-test.
&Vn Views profile settings.
&V0 Views current active setti ngs.
&V1-4 Views the (n-1)th user profile settings.
&V5 Views factory default sett ings.
&V6 Views analog adapter, PHONE 1 setting.
&V7 Views analog adapter, PHONE 2 setting.
TableC-3. Extended AT& command set (conti nued)
Command Options Function and description