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ADSL Loop Extender Power Supply Installation Manual Page 5
This publication may not be reproduced in whole or in part without the express written permission of
Widearea.
Figure 1 ADSL Loop Extender power supply Application Diagram
L1: The signal wire pair connecting ADSL Loop Extender to DSLAM.
L2: The signal wire pair connecting ADSL Loop Extender to Modem.
L3: The power wire pair connecting ADSL Loop Extender to power supply.
ADSL Loop Extender with remote power supply from central office, additional
copper line required to power the Extender.
Installation Environment
Before installation, the DC 48V power supply and reliable ground connection
should be assured. The customer should order the corresponding type of power
supply according to the available power source.
If any difficulties are encountered during the installation process, contact
supplier.
Installation Procedure
UNPACK
Unpack equipment carefully; check for completeness against the purchase order.
Notify supplier if items are missing.
Note:
Save packing material. All equipment returned must be packed in the
original packing material.
Inspect equipment for shipping damage, including bent or loose hardware, and
broken connectors.
If equipment was damaged in transit, contact supplier.
BEFORE INSTALLING THE POWER SUPPLY
Attention:
ADSL Loop Extender’s power supply should NOT be turned on
until the Extender installation is finished.
When the power supply wire is
active, wires carry DC 116V. Do not touch wire A and wire B simultaneously, or
allow wires to contact anything!