Chapter 11 Communication Specifications

(2)List of commands (extract)

1] AT commands

 

Command

 

 

 

Function overview

 

 

Example

 

AT

Automatically recognizes data format

 

 

 

A/

Re-executes the response directly preceding

 

 

 

ATA

Forced reception

 

 

 

 

 

 

 

ATDmm

Dial

 

 

 

 

 

 

ATD12345678

 

ATEn

Command echo (echo back a text string entered to modem)

0:

No

ATE0

 

 

 

 

 

 

 

1:

Yes

 

 

ATHn

Line ON/OFF

0:

On hook (disconnect)

 

 

ATH0

 

 

 

 

1:

Off hook

 

 

ATH1

 

ATPn

Pulse (dial) setting

0, 1: 10 pps

 

 

ATP0, ATP1

 

 

 

 

2

: 20 pps

 

 

ATP2

 

ATQn

Result code setting 0: Yes 1: No

 

 

ATQ0

 

ATT

Tone (push) setting

 

 

 

 

 

ATT

 

ATSn = X

Sets S register value.

 

 

 

 

 

ATS0 = 0

 

ATVn

Result code display format

0: Number

 

 

ATV0

 

 

 

 

 

1: Word

 

 

ATV1

 

AT&Cn

CD signal control

0:

Always on

 

 

AT&C0

 

 

 

 

1:

Depends on the carrier of counter-party modem

AT&C1

 

AT&Dn

ER signal control

 

 

 

 

 

AT&D0

 

 

0: Always on

 

 

 

 

 

AT&D2

 

 

2: Turning from on to off during communication disconnects line

AT&D3

 

 

3: Turning from on to off resets the software

 

 

 

 

AT&Sn

DR signal

0: Always on

 

 

AT&S0

 

 

 

 

1:

Depends on sequence

 

 

AT&S1

 

 

 

 

2:

Depends on CD signal

 

 

AT&S2

 

AT&Rn

RI(CI) signal control

 

 

 

 

 

AT&R0

 

 

0: Turns on from calling start until communication begins

 

 

AT&R1

 

 

1: Turns on from calling start until communication ends

 

 

AT&R2

 

 

2:

Turns on/off in synchronization with the call signal

 

 

 

2]

S register

 

 

 

 

 

 

 

 

 

S register

 

Set value

 

 

Function

 

 

 

S0

0 no automatic

Setting for automatic reception/reception ring count

 

 

 

reception

 

 

 

 

 

 

 

 

1 to 255

 

 

 

 

 

 

 

S2

0 to 127

Escape code setting

 

 

 

 

 

(43 [+] )

 

 

 

 

 

 

 

S3

0 to 127

CR code setting

 

 

 

 

 

(13 [CR] )

 

 

 

 

 

 

 

S4

0 to 127

LF code setting

 

 

 

 

 

(10 [LF] )

 

 

 

 

 

 

3]

Result codes

 

 

 

 

 

 

 

 

 

Number format

Word format

 

Meaning

 

 

0

 

OK

 

 

Normal execution

 

 

 

 

1

 

CONNECT

 

 

Connection complete

 

 

 

 

2

 

RING

 

 

Reception detected

 

 

 

 

3

 

NO CARRIER

 

 

Line disconnected

 

 

 

 

4

 

ERROR

 

 

Command error

 

 

 

 

5

 

CONNECT 1200

 

1200 bps connection

 

 

 

 

6

 

NO DIAL TONE

 

Cannot hear dial tone

 

 

 

 

7

 

BUSY

 

 

Busy signal detected

 

 

 

 

8

 

NO ANSWER

 

 

No tone heard

 

 

 

 

10

 

CONNECT 2400

 

2400 bps connection

 

 

 

 

11

 

CONNECT 4800

 

4800 bps connection

 

 

 

 

12

 

CONNECT 9600

 

9600 bps connection

 

 

 

 

13

 

CONNECT 14400

 

14400 bps connection

 

 

 

11-6

Page 259
Image 259
Hitachi NJI-350B manual List of commands extract, Command Function overview Example, Register Set value Function, 11-6