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7
12.2
Manual connections
The user at the remote modem rings you in the normal manner. You
must have agreed verbally that data transfer is to take place, also at
what parity and transfer speed.
You will also have to agree upon who sets the modem in answer
mode, and who sets it in call mode. The important issue here is that
the modems are set up in different modes.
Messages may now be transmitted and you may commence with file
transfer etc. (This can be a little confusing possibly in that the
messages entered on the keyboard are not shown on the screen.
This is completely normal however. With the exception of
communications with an electronic bulletin board or large commercial
databases, it is not normal that the remote computer sends echoes of
its keyboard messages back to you).
"?"if the remote modem is preset for ringing with automatic
transfer rate detection, it may be that the modems will be
connected at another transfer speed than that set in the
communications programs. If you are not sure which
speeds are required to be used, it is advisable to set the
modem to a fixed rate.
12.3
Manual connections with AT commands
If you prefer to use a communications program for making the
connection, set the modem
in AT command
mode and use the
following procedure:
12.3.1
Connect as answer modem:
Agia
The modem connects lo the line as the
answering modem and starts transmitting the
auto answer sequence.
12.3.2
Connect as call modem:
~ | The modem is connected to the line, and tries
- | to detecl the auto answer sequence from
other modem
12-2
LZTR104006 R1.00
Zat 14.4/14.4-7 and 19.2/19.2-7
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