Multitech MULTI MODEM II MT5600BL User Manual page 38

MultiModemII User Guide
Command:
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Command:
Values:
Default:
Description:
Command:
Values:
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Description:
Command:
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Description:
4 AT Commands, S-Registers, and Result Codes
@ Wait for silence. Causes the modem to wait for 5 seconds of
silence before processing the next part of the command. If
silence is not detected within the time set in register S7, the
modem returns a NO ANSWER or BUSY code.
^ Toggle data calling tone on or off. Applies only to current
dialing attempt.
& Detect credit card "bong" tone. If the tone is not detected
within the time specified by S7 (US models), the modem
aborts the rest of the sequence and hangs up. The character
should follow the phone number and precede the user's call
card number, e.g., ATDT1028806127853500&123456789.
DS= y Dial Stored Telephone Number
n = 0–3
none
Dial a number previously stored in directory number y by the
&Zy=x command. Example: ATDS=3.
E n Echo Command Mode Characters
n = 0 or 1
1
E0 Do not echo keyboard input to the terminal.
E1 Do echo keyboard input to the terminal.
H n
Hook Control
n = 0 or 1
0
H0 Go on-hook (hang up) and terminate any &T test that is in
progress.
H1 Go off-hook (make the phone line busy) and enter command
mode.
I n Information Request
n = 0–6
None
I0 Display the product code. Example: MT5600BA.
I1 Calculate the ROM checksum and display the least significant
byte in decimal format.
I2 Calculate the ROM checksum and compare it to the prestored
checksum, displaying OK if they match, or ERROR if they do not.
I3 Display the controller firmware version (F), the basic model
(V90), the application code (A), and the interface type code (I) in
the format VF.FFF-V90_AI. The application codes are D for desk-
top and L for low power (PCMCIA). The interface codes are S
for serial and P for parallel. Example: V2.210-V90_2M_DLS.
I4 Display the OEM-defined identifier string in either binary or
ASCII format.
I5 Display the country code. Example: 022.
I6 Display the modem data pump model and internal code version.
Example: RCV56DPF-PLL L8571A Rev 29.00/29.00.
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