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The ADSL filter/splitter has been specifically designed to implement the functionality of a low pass filter in POTS over ADSL application.
Asymmetric Digital Subscriber Line (ADSL) technology is a dedicated, point to point public network access technology that allow multiple forms of data, voice and video to be carried over twisted-pair copper wire on the local loop between a network service provider's (NSP'S) telephone exchange and the customer site or on local loops created either intra-building or intra-campus. ADSL delivers this high-speed performance over existing copper telephone line while simultaneously allowing a traditional analog service to coexist without interruption via a series of low-pass filters. The low-pass filter on the customer's premises is mounted inside a stand-alone ABS housing.
The ADSL filter/splitter integrates a low pass filter which blocks the ADSL high frequency signals from
reaching the analog device and provides isolation from any impedance effects of the analog device on the ADSL transmission. The filter also attenuates any wideband impulse noise generated by the analog device due to the interruption of loop current (e.g. pulse-dialing or on hook / off hook conditions).
An unfiltered RJ11 socket is provided for connection of the ADSL modem. Because our product connects directly to the subscriber's loop media, it must also provide some surge protection from externally induced voltage which could damage any attached equipment or endanger humans interacting with the installed equipment. Additional surge protection measures are built into the product to protect against line surges that could damage the filter itself.
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