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Reference Guide for the Model XM128 ISDN Digital Modem
Status Registers and Result Codes D-7
S21=
(continued)
6-7 0 0 Assumes that Data Terminal
Ready (DTR) is always on.
&D0
64 40 108.1, DTR off-on transition
causes dial of the default number.
&D1
128 80 108.2, DTR off causes the Model
XM128 modem to hang up and
return to command state.
&D2
192 C0 108.2, DTR off causes the Model
XM128 modem to hang up and
resets the Model XM128 modem
to profile #0 after DTR dropped.
&D3
S23= Bitmapped register +105
0 0 0 Command echo is disabled. E0
1 1 Command echo is enabled. E1
2 0 0 Insertion is not allowed during a
PHONE call.
4 4 Insertion is allowed during a
PHONE call.
3-5 0 0 ATX0 (see result code table)
8 8 ATX1 dec hex AT
16 10 ATX2 40 28 X5
24 18 ATX3 48 30 X6
32 20 ATX4 56 38 X7
6 0 0 Displays result code in numeric
format. See also S-register S35.7.
V0
64 40 Displays result code in verbose
format.
V1
Table D-4. Extended S-registers ATSn=x (continued)
Command Bit Decimal Hexadecimal
Function and
description
Default or
reference