Omni 56K Plus Series User’s Guide

Table 4-16 Extended S-Registers "ATSn=x"

COMMAND

BIT

DEC

HEX

FUNCTION AND DESCRIPTION

REF.

 

 

 

 

 

 

 

7

0

0

Select V.22 for 1200 bps communication

B0*

 

 

 

 

 

 

 

 

128

80

Select Bell 212A for 1200 bps communication

B1

 

 

 

 

 

 

S29=

 

0-49

0-31

Set default dial phone number pointer, use AT&Zn=s to

+000 *D

 

 

 

 

store phone numbers in EEPROM.

 

 

 

 

 

 

 

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

 

 

 

 

 

 

S35=

bit

dec

hex

Bit mapped register.

+032

 

 

 

 

 

 

 

1

2

2

Disable aborting from terminal during modem

 

 

 

 

 

handshaking.

 

 

 

 

 

 

 

 

3

8

8

Add 16dB attenuation to the leased line transmission

 

 

 

 

 

power.

 

 

 

 

 

 

 

 

5

32

20

Enable Selective Reject in V.42. (Default)

*

 

 

 

 

 

 

 

7

128

80

Enable extended numerical result codes from 50-65

V0

 

 

 

 

when an error corrected connection is made. Use with

S23.6

 

 

 

 

ATV0. (see result code table)

 

S38=

bit

Dec

hex

Bit mapped register.

+000

 

 

 

 

 

 

 

0

1

1

Repeatedly dialing default number if not connected.

*Dn, S29

 

 

 

 

 

 

 

3

0

0

CD tracks the carrier. (Default)

&C0

 

 

 

 

 

 

 

3

8

8

DCD ON/OFF sequence follows UNIX standard, DCD

&C1,

 

 

 

 

ON before connect message is sent, DCD off after last

S21.4

 

 

 

 

DCE response is sent.

 

 

 

 

 

 

 

 

4

16

10

Auto-mode fax receiving disabled, hang up if a fax call

&N0

 

 

 

 

is received.

 

 

 

 

 

 

 

 

5

32

20

Disable MNP5 negotiation.

&Kn

 

 

 

 

 

 

S39=

bit

dec

hex

Bit mapped register.

+032

 

 

 

 

 

 

 

2

4

4

Reverse the answers. Answer in originating mode.

ATA

 

 

 

 

 

 

 

3

8

8

Class 2 Fax Bitfax compatibility:

 

 

 

 

 

+FCON at 2400; next phase at 19200

 

 

 

 

 

 

 

 

4

16

10

Class 2 Fax mode DTE shifting:

 

 

 

 

 

+FCON at current DTE rate, shift to 19,200 when

 

 

 

 

 

entering into the next phase

 

 

 

 

 

 

 

 

5

32

20

Disable srambler/descrambler in V.26bis mode.

*

 

 

 

 

Enables compatibility with older V.26bis modems which

 

 

 

 

 

have no such unit (Default)

 

 

 

 

 

 

 

S40=

bit

dec

hex

Bit mapped register.

+000

 

 

 

 

 

 

 

1

2

2

No result code is displayed in answer mode.

Q2

 

 

 

 

 

 

 

2

4

4

Enables caller ID detection.

 

 

 

 

 

 

 

 

3

8

8

Enables type 1 ring detection.

 

 

 

 

 

 

 

 

4

16

10

Enables type 2 ring detection.

 

 

 

 

 

 

 

 

5

32

20

Enables type 3 ring detection.

 

 

 

 

 

 

 

4-24

Command Sets