Wideband Tests
124
AXS-200/635
Data Rate Prediction
Summary
The
Summary
tab allows you to view results, change some of the variables
and
Recalculate
the results.
Each parameter on the pane is
described below.
³
Annex
defines the modes of
available ADSL Annexes from the
ITU standards.
³
A
is ADSL service functioning
over POTS.
³
B
activates the ADSL
functionality over ISDN.
³
L Mask 1
assumes an increase in ADSL2 range/distance.
³
L Mask 2
also extends the signal reach but can show an
improvement in the upstream data rate.
³
M
allows increased upload speeds from 1 Mbps to 3.5 Mbps.
Available only for ADSL2 and ADSL2+.
³
Technology
lists the following values:
ADSL
,
ADSL2
, or
ADSL2+
. If
Annex L
is previously selected,
ADSL2
is automatically set. If
Annex M
,
ADSL
is not available.
³
Reference Point
is either
CO
or
CPE
, allowing you to select from
which end of the circuit you are running the DRP test.
CO
is located at
the CO/Exchange side and you are testing towards the subscriber.
CPE
is the subscriber side and you are testing towards the CO/Exchange.
³
Target SNR
is the desired signal-to-noise ratio ranging from 0 to 31 dB.
Default value is 6 dB.
³
Recalculate
button allows you to change the setup and re-evaluate the
rates.