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The “Link Diagnostics” screen displays
statistics about your last connection. This
screen is most often used as an aid in
diagnosing connection failures, but it also can
provide information about connection speeds
and phone line conditions.
•
Modulation
displays the speed and type of
connection.
•
Carrier Frequency
displays the electrical
frequency of the carrier signal.
•
Symbol Rate
displays the speed of the
transmission.
•
Trellis Code, Nonlinear Encoding,
Shaping, and Precoding
all refer to
methods of handling high speed data
transmission.
•
The items followed by
(dB)
,
(-dB)
,
(-dBm)
,
and
(msec)
refer to variations in the
modulation tones that actually carry the
information.
The rest of the screen contains information
about CRC errors, Block Errors (Blers),
resent data, and other data. This information is
very important if you experience problems
transmitting or receiving data or if you suspect
problems with your phone service.
If you are having connection problems, go
directly to this screen to get this information. If
you save anything to the modem between the