ETIC 1220, Руководство пользователя, Страница: 33 / 64

HTML SET UP & DIAGNOSTIC
11 One twisted pair SHDSL connection set up
11.1
Set up
When two XSLAN SHDSL switches a
connected through a line, the port of
the first one has to be set as an LTU
(calling party) and the port of the other
one has to be configured as an “NTU”.
(called party). re
The SHDSL switch port which is named LTU negotiates
and forces the
data rate over the line
; the NTU can only accept.
The data rate can be either negotiated by the LTU itself (auto mode) , or
imposed by the user with the DIP switches.
To set up the XSLAN Nr 1
•
Select the Ethernet & switching” menu and then the “SHDSL port” menu.
•
Select the LTU checkbox.
• Select the data rate according to the table of the appendix 1.
Note : If the “auto” option is selected, it will cause the XSLAN to try all the data rates.
The connection delay will be long. Moreover, the XSLAN software will select a
cautious solution. It is why the “auto” option will be selected only if the distance
is short (less than, 1 Km).
•
Select the “Signal power” value “Auto”.
The power of the signal emitted towards the line is normally 14.5 dBm.
It must not be reduced except for very short distance transmission and if
errors appear.
To set up the SHDSL XSLAN switch Nr 2
•
Select the NTU checkbox.
•
Select the “Signal power” value “Auto”.
XSLAN SHDSL switch User’s guide ref 9014709-02
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