Reference Guide for the Model XM128 ISDN Digital Modem
D-8
Status Registers and Result Codes
S24=
Bitmapped register.
0-1
0-3
0-3
Ring volume control, in increments
of 1 in decimal value
N0-3
2
0
0
Ignore S21.1-2 when PHONE 1
keypad is dialed.
4
4
Do not ignore S21-2 when PHONE
1 keypad is dialed.
3
0
0
Ignore S21.1-2 when PHONE 2
keypad is dialed.
8
8
Do not ignore S21-2 when PHONE
2 keypad is dialed.
5-4
Speaker volume control, in
increments of 16 in decimal value
L0-3
S25=
0-255
0-FF
Specify the time delay that DTR
signal needs to be off before it
is recognized, in 10 ms units. If
S25=0, the delay time is set to
4 ms.
+000
S27=
Bitmapped register
3-5
0
0
Flow control is disabled.
&H0
24
18
Hardware (RTS/CTS) flow control.
&H3
32
20
Software (XON/XOFF) flow
control.
&H4
40
28
Reserved.
&H5
S29=
0-
39
0-
39
Sets default dial PHONE number
pointer; uses AT&Zn=s to store
PHONE numbers.
+000 *D
S31=
0-255
0-FF
Holds the ASCII decimal value of
the XON.
+017
S32=
0-255
0-FF
Holds the ASCII decimal value of
the XOFF.
+019
Table D-4.
Extended S-registers ATSn=x (continued)
Command
Bit
Decimal
Hexadecimal
Function and
description
Default or
reference
Summary of Contents for XM128
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