Reference Guide for the Model XM128 ISDN Digital Modem

Table D-4.

Extended S-registers ATSn=x (continued)

 

 

 

 

 

 

 

Command

Bit

Decimal

Hexadecimal

Function and

Default or

description

reference

 

 

 

 

 

 

 

 

 

 

S24=

 

 

 

Bitmapped register.

 

 

 

 

 

 

 

 

0-1

0-3

0-3

Ring volume control, in increments

N0-3

 

 

 

 

of 1 in decimal value

 

 

 

 

 

 

 

 

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

L0-3

 

 

 

 

increments of 16 in decimal value

 

 

 

 

 

 

 

S25=

 

0-255

0-FF

Specify the time delay that DTR

+000

 

 

 

 

signal needs to be off before it

 

 

 

 

 

is recognized, in 10 ms units. If

 

 

 

 

 

S25=0, the delay time is set to

 

 

 

 

 

4 ms.

 

 

 

 

 

 

 

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

&H4

 

 

 

 

control.

 

 

 

 

 

 

 

 

 

40

28

Reserved.

&H5

 

 

 

 

 

 

S29=

 

0-

0-

Sets default dial PHONE number

+000 *D

 

 

39

39

pointer; uses AT&Zn=s to store

 

 

 

 

 

PHONE numbers.

 

 

 

 

 

 

 

S31=

 

0-255

0-FF

Holds the ASCII decimal value of

+017

 

 

 

 

the XON.

 

 

 

 

 

 

 

S32=

 

0-255

0-FF

Holds the ASCII decimal value of

+019

 

 

 

 

the XOFF.

 

 

 

 

 

 

 

D-8

Status Registers and Result Codes

Page 122
Image 122
NETGEAR XM128 ISDN manual S24= Bitmapped register