Reference Guide for the Model XM128 ISDN Digital Modem

Status Registers and Result Codes D-5

TableD-4 describes e ach extended S-register. Defaults are indicated by a plus sign (+) in the Default or reference column of the table.

TableD-4. Extended S-registers ATSn=x

Command Bit Decimal Hexadecimal Function and
description Default or
reference
S15= Bitmapped register +130
0,1 0 0 Even parity
1 1 Odd parity
2 2 * N o parity
2 0 0 * 1 stop bit
4 4 2 stop bits
4,3 0 0 * 10-bit character length *C0
8 8 11-bit character length *C1
16 10 9-bit character length *C2
24 18 8-bit character length *C3
7-5 0 0 Profile 0 as active settings after
power on Z0
32 20 Profile 1 as active settings after
power on Z1
64 40 Profile 2 as active settings afte r
power on Z2
96 60 Profile 3 as active settings after
power on Z3
128 80 * Factory default as active settings
after power on Z4
S16= Test status register +000
0 0 No test in progress &T0
9 9 Loopback test in progress &T9
10 A Loopback with self-test in progress &T10
S18= Forces the Model XM128 modem
to fix baud rate when idle +000
0 * Disables fixed baud function
n+1 Enables baud rat e fi xing at idle,
n=0-15 baud rate value settings (n)
the same as S20 value