10-4 Courier V.Everything Getting Started Guide
Controlling Link Speeds with &N and &U
You can use the &N and &U commands to control link speeds. Couriers
without x2 can still use the &N and &U commands, but can only control
link speeds up to 33.6 kbps.
Controlling Link Speeds
You can use the &N and &U commands to control the link speeds of your
Courier V.Everything with x2. Use the following table to determine how
to use &N and &U commands:
To limit the Use
Highest possible connect speed &N
Lowest possible connect speed &U
Range of possible connect speeds &N and &U
Table 12.2 Using Link Speeds
Note: The default values for &N and &U are 0. If you change these values,
you will limit the speeds at which you can connect.
U.S. Robotics recommends that you do not alter these values.
Limiting the Highest Possible Connect Speed
The &N command allows you to limit the highest possible connect speed.
If a remote modem attempts to connect to your Courier with x2 at a speed
higher than &N, your Courier with x2 will not allow it to connect.
To limit the Use this command
Where x is
Highest possible
connect speed
AT&N=x A value from 0 to 32
Note: See table 12.4 for a list of connect speed values.
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