Zypcom Z34-PC, User Manual

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Appendix D-3
D
resets and then configures the modem to NVRAM stored
profile 0.
AT&F S0=1 &W1 &Y1
&F configures the modem to factory default. S0=1
configures the modem to answer after 1 ring. &W1
saves the active configuration to stored profile 1. &Y1
configures the modem to use NVRAM stored profile 1 as
the power-up defaults.
INIT Strings
An initialization string is a series of specific commands
that prepares a modem to operate with communications
software. Consult your communication software
manual and AT commands in Chapter 3 to modify INIT
strings.
Xmodem, Ymodem,
Zmodem
These are file transfer protocols used by the host (e.g.,
communication program in the PC). These protocols do
error checking and ensure data integrity of the file
transfer. There are some other protocols. Zmodem is
the most preferred protocol to use.