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VDSL CO(POINT TO POINT)
USER'S MANUAL A.9
Following functions are supported on the General Settings page:
• Modem Type Display: Indicates which modem type (LT or NT) is the
local and remote modem.
• Reset: Performs a soft reset of the modem. After a soft reset, the
10BaseS-D is held in reset state for 256 clocks.
• Local Loop back: Returns data from the Tx port of the 10BaseS-D to the
Rx port of the 10BaseS-D. The transmitted data to the line is not
guaranteed when the local loop back is activated. This feature is not
supported on the far-end modem, since this would bring down the link
.• Line Loop back: Connects the output port of the VDSL TC-layer to the
TC-layer input. This loop back contains the Ethernet interface, the
scrambler, the Reed Solomon block, interleaver, framer and synchronizer.
• Turn transmitter on/off: This button turns the transmitter on/off in case a
VDSL link is not established. This feature serves for test purposes, e.g
monitor the spectrum with a spectrum analyzer.
• Activation disable/enable: This button enables the user to enable or
disable the VDSL link
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