ml7012-04 Oki Optical Components, ml7012-04 Datasheet - Page 11

• Manufacturer Part Number: ml7012-04
• Description: 2400 Single Chip Full Duplex Data Modem With Protocol
• Manufacturer: Oki Optical Components

(3) AT command list
It is regarded that n = 0 when the parameter is not specified to the command with parameter (n).
1 Semiconductor
+++AT
<CR>
CMD
M
O
A
D
E
H
I
ATMn
ATDc
ATEn
Style
ATA
ATD
ATH
ATO
ATI
—
Goes to on-line command mode from data mode.
Inputs +++AT <CR> in data mode.
Does not move to on-line command mode until <CR>is
input.
Starts line connection in answer mode
Starts line connection in originate mode
Connects lines in originate mode after dialing.
c: Dial control character
Pulse: 0, 1, 2, 3 ,4, 5, 6, 7, 8, 9
Tone: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, *, #
@ Silence Detection
Next dialing is executed when continuous silence of 5 sec is
detected after ring back tone within the period specified in S7
register.
Sends back ‘BUSY’ when busy tone is detected and sends
back ‘NO ANSWER’ when no silence is detected after ring
back tone.
! Flash
Dialing is put on hold for the period specified in the S8
register for pause settings.
,Comma
The line is put on-hook for 0.5 sec.
Dialing is put on hold for the period specified in the S8
register for pause settings.
; Moves to command mode without disconnecting lines after
dialing is completed.
P: Dials the number in pulse mode thereafter.
T: Dials the number in tone mode thereafter.
W: Detects a dial tone.
Detects the next dial string process when dial tone is
detected during the period specified in S7 register
regardless of ATXn command settings.
When it is not detected, ‘NO DIALTONE’ is returned.
Selects the answer-back function for the commands.
N = 0: No answer back for command input characters.
N = 1: Answer back for command input characters.
Controls the line connection.
N = 0: On-hook
N = 1: Off-hook
Displays the modem manufacturer’s code
'24A' as a result code is returned to DTE after ATI0<CR> is
executed.
Selects the monitor speaker operation.
N = 0: Always OFF
N = 1: ON from dialing to line connection
N = 2: Always ON
N = 3: ON when connected with a remote modem
Goes to data mode from on-line command mode.
Function
Initial Value
—
—
—
—
—
—
—
1
1
FEDL 7012-04-01
ML7012-04
Note
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