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Modem Settings
Terminal Parameters
12 User Manual (7/99)
Data compression needs to be disabled on external modems used
with RCM8. On U.S. Robotics Sportster® modems, the modem
command to disable data compression is AT&K0.
Error correction may or may not need to be disabled, depending
on your application and premise equipment. The modem
command AT&M4 allows the modem to select the error
correction mode; AT&M0 will manually disable error
correction.
Modem commands can be directly issued via the Modem Pass-
Thru mode in the RCM8 Modem Configuration menu. Refer to
Section 3.
® Sportster is a registered trademark of 3Com Corporation
A personal computer (PC) or video display terminal (VDT) is
necessary to configure the RCM8. On PC's, a terminal
emulation package is typically included with the operating
system: on Windows 3.1, Terminal is located in the Accessories
program group; on Windows 95/98, the Hyperterminal
application is typically located in its own folder Accessories.
The steps below outline the typical configuration needed to
connect PC running Hyperterminal to RCM8, using a regular
serial cable direct connection.
Windows 95 / 98
1. Start HyperTerminal by clicking
Start/Programs/Accessories/HyperTerminal. Double click
the HyperTerminal icon.
2. Press ESC (escape key) to exit out of new connection dialog
box.
3. To establish a new session for communicating to RCM8, go
to File / Properties. Select Direct to Com* where Com* is
the appropriate Com port for your PC. Any information in
the Area Code and Phone Number fields will be greyed-out
and will not be used.
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