ADSL Pair Gain
The ADSL Pair Gain Extender system is a line multiplexer that provides transparent transmission of the combo POTS + ADSL service between the exchange location and distant subscriber. The system can connect up to 8 subscribers over one or two copper pairs using the latest S(H)DSL and remote power feeding solutions.
The target application of the system is to provide an average ADSL service for those subscribers who are:
living too far from the exchange to get reasonable ADSL speeds,
cannot get telephone or ADSL service due to the lack of coppers,
serviced via concentrators and multiplexers that are not compatible with ADSL (like PCM).
The system contains 3 main units:
Optional repeater(s).ADSL Extender CU – located at the Exchange which provides physical connections up to 8 integrated ADSL + POTS combo ports after the splitter,
ADSL Extender RU – located somewhere close to the subscribers which provides physical connections up to 8 CPEs.
The CU is a rack-type version where the SBR sub-rack provides the connection facilities and the 48/60 Vdc power to the CU. Since the setup of the Exchanges varies country by country, the connection can be done to the exchange splitter/MDF where the POTS and ADSL lines are connected or to the DSLAM directly.
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