US Robotics COURIER - How to Use This Manual; Understanding Communications Software

COURIER HIGH SPEED MODEMS
HOW TO USE THIS MANUAL
This manual contains operating instructions for Courier V.32 bis,
Courier HST, and Courier HST Dual Standard modems. These
modems have identical features except for the signaling they use
to connect with remote modems at high speeds: V.32/V.32 bis or
HST. Courier HST Dual Standard modems use either type of
signaling, depending on the type of remote modem.
As you use the manual, keep the following guidelines in mind.
• The modem is shipped ready for most dial-up applica-
tions except for its flow control setting,
which depends
on the type of software and machine you're using. After
you've set up the modem and tested its operation
(Chapter 2) review the Quick-Start instructions in
Chapter 3 for brief configuration guidelines.
• If you've purchased a Courier V.32 bis modem,
disregard the instructions in this manual concerning
HST operations. Conversely, if you've purchased a
Courier HST modem, disregard the instructions
concerning V.32/V.32 bis operations.
• All Courier high speed modems connect automatically
with remote modems operating at 14.4K/12K/9600/
7200/ 4800/2400/1200/300 bps, as long as the remote
modems observe the standards listed under
Compatibility in Chapter 1. Courier HST modems also
connect
with other Courier HST modems at 16.SK bps.
A NOTE ON COMMUN/CATIONS SOFTWARE
If you're using a computer rather than a terminal, you need
communications software. Many brands are available, all of
which are based on the modem's AT command set.
Some users prefer their communications software to take control
of the modem, and are more comfortable with a program that
makes the modem almost transparent. Others prefer a program
that allows them to use the modem's AT command set some-
times, and their software at other times, depending on the task at
hand. Whichever you prefer, review at least the Quick Start
(Chapter 3) so that you have a basic understanding of the
modem's requirements and operation.
ii How to Use This Manual
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