Epson ESC/VP21 User Manual page 13

Fax/data modem

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buffer. The A/ command is the only command not preceded by 'AT' and ended by

a carriage return.

Go On-line in Answer Mode

This command instincts the modem to go off-hook immediately and then make

a handshake with the remote modem. Handshaking is not available during leased

line operation. This command is useful for manually answering a call or estab-

lishing a back-to-back connection with an originate mode modem.

Select Protocol to 300 bps or 1200 bps

Carrier Transmit Control

Controls the transmit carrier. The modem is preset to turn carrier on and off as nec-

essary (the C1 option). The signal is on when the modem is calling, or connected to

a remote modem, and is off when it is not. The CO option is NOT valid.

2 - COMMAND REFERENCE

Selects CC ITT 300 or CC ITT 1200 protocol

once the command line prefix AT has been

entered at the 300 bps or 1200 bps data rate,

Selects BELL 300 or BELL212A protocol once

the command line prefix AT has been entered

at the 300 or 1200 bps data rate. (default)

Not permitted; returns ERROR result code

Normal transmit carrier switching. (default)

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