User guide

24
MultiModemUSB User Guide
@ Wait for quiet answer. Causes modem to wait for a ringback, then 5 seconds of silence,
before processing next part of command. If silence is not detected, the modem returns a NO
ANSWER code.
^ Disable data calling tone transmission.
$ Detect AT&T call card “bong” tone. The character should follow the phone number and pre-
cede the user’s call card number: ATDT1028807637853500$123456789
Command: DS=yDial Stored Telephone Number
Values: n = 0–3
Default: none
Description: Dial a number previously stored in directory number y by the &Zy=x command.
Example: ATDS=3
Command: En Echo Command Mode Characters
Values: n = 0 or 1
Default: 1
Description:E0 Do not echo keyboard input to the terminal.
E1 Do echo keyboard input to the terminal.
Command: Fn Echo Online Data Characters
Values: n = 1
Default: 1
Description:F0 Enable online data character echo. (Not supported.)
F1 Disable online data character echo (included for backward compatibility with some software).
Command: Hn Hook Control
Values: n = 0 or 1
Default: 0
Description:H0 Go on-hook (hang up).
H1 Go off-hook (make the phone line busy).
Command: In Information Request
Values: n = 0–5, 9, 11
Default: None
Description:I0 Display default speed and controller firmware version.
I1 Calculate and display ROM checksum (e.g., 12AB).
I2 Check ROM and verify the checksum, displaying OK or ERROR.
I3 Display default speed and controller firmware version.
I4 Display firmware version for data pump (e.g., 94).
I5 Display the board ID: software version, hardware version, and country ID
I9 Display the country code (e.g., NA Ver. 1).
I11 Display diagnostic information for the last modem connection, such as DSP and firmware ver-
sion, link type, line speed, serial speed, type of error correction/data compression, number of
past retrains, etc.
Command: Ln Monitor Speaker Volume
Values: n = 0, 1, 2, or 3
Default: 2
Description:L0 Select low volume.
L1 Select low volume.
L2 Select medium volume.
L3 Select high volume.