Devolo MicroLink ADSL Modem User Manual page 36

36
Router configuration
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ADSL configuration
Settings for the ADSL protocols can be defined under 'ADSL configuration'.
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For further information, please visit our website at www.devolo.com or refer
to the included devolo product CD.
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devolo MicroLink ADSL Modem Router
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Select 'User Configuration' to use DNS addresses you have entered
manually.
'DNS Server IP': When specifying settings, enter the IP address(es) of
your Internet provider's DNS server(s) in the 'DNS Server' field, click
'Add' and confirm with Submit.
'User Selected Annex Mode': Annex A or Annex B, depending on the stan-
dard of your ADSL provider.
'Trellis': the trellis process subtracts transmitted data from the signal mix
for echo cancellation and filters out received information. This complex
process improves the signal-to-noise ratio of the connection for an
enhanced data rate. Support by your ADSL carrier is required in order to
take advantage of the trellis process.
'Handshake Protocol': communication protocol that governs data flow
between the computer and router.
'Wiring Selection': connection type of the ADSL cable.
'Bit Swapping': bit swapping refers to the adaptation of bit distribution in
the various subchannels (sub-carriers) during ongoing operation. The
communication speed is adjusted to match the performance of the chan-
nel without interrupting the data flow. The number of bits varies accord-
ing to the intensity of the signal and noise.
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