User's Manual

5634BIF User’s Manual
22
Modem
Commands
Description
D Dial command
Puts the modem into the originate mode, allowing it to automatically
dial a telephone number. The telephone number to be dialed, the
symbols # and * and the dial modifiers P, R, S=n, T, W, @, !, ; and,
can follow the D command.
Example : ATDT (818) 555-1212
En Echo characters in command mode
Determines whether the modem echoes to your computer screen the
keyboard commands you type during command mode
0 Do not echo commands
1 Echo commands(default)
Hn Hook switch
0 Go on-hook(hang up modem)
1 Go off-hook
Ln Speaker volume
0 Low
1 Low
2 Medium(default)
3 High
Mn Speaker status
0 Speaker always off
1 Speaker on until carrier is detected(default)
2 Speaker always on
3 Speaker is off when receiving carrier and during dialing, but on
during answering.
Nn DCE data rate
0 When originating or answering call, handshake only at the
communication standard specified by S37.
1 When originating or answering call, handshake only at the
communication standard specified by S37. During handshake,
modem may fallback to a lower speed (default)
On RETURN to data mode after using escape characters to switch to
command node
0 Return to data mode
1 Perform equalizer retrain sequence, then return to data mode. A
retrain causes the modem to optimize its operating
characteristics to obtain the best data transmission. This
command works at speeds of 2400bps or faster.
Qn Modem responses
Determines whether the modem returns responses after you execute,
or try to execute, a modem command. Modem responses are
described in Chapter 2.
0 Send responses to local computer (default)
1 Do not send response