Contents
Contacting U.S. Robotics
1
Enhanced x2 Features
1
How to Tell if x2 is Enabled in Your Modem
2
How x2 Works
3
The Shift from Analog to Digital Circuits
3
Client and Server Modems
3
Client Modems
4
Server Modems
4
Making x2 Work
4
A Digital Connection At One End
4
Only One Digital-to-Analog Conversion
4
Controlling x2
5
Controlling Link Speeds with &N and &U
6
Controlling Link Speeds
6
Limiting the Highest Possible Connect Speed
6
Limiting the Lowest Possible Connect Speed
6
Limiting a Range of Possible Connect Speeds
7
&N and &U Command Values
8
Configuring the High Speed (HS) LED
9
Troubleshooting x2 Client Connections
10
New x2 Result Codes
11
Summary of Contents for Courier V.Everything x2 Addendum
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