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MF606G

Asymmetric Digital Subscriber Line

YCL Electronics  

Product Specification

MF606G

1. Introduction:

The MF606G is a “in – line” ( on distributed ) filter that has been specifically designed to

implement the functionality of low pass filter in POTS over ADSL application.

Asymmetric Digital Subscriber Line (ADSL) technology is 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) central office and the customer site or on local loops created either

intra-building or intra-campus. Best of all , ADSL delivers this high speed performance

over existing copper telephone line all while allowing traditional voice service to coexist

without interruption through POTS low pass filters. The POTS-filter on the customer

premises side consists of a lowpass section(installed in a separated plastic box.

The MF606G integrates low pass filter that blocks the high frequency energy from

reaching the POTS device and provides isolation from impedance effects of the POTS

device on ADSL. In addition , this filter will also attenuate any wideband impulse noise

generated by the POTS device due to the interruption of loop current(e.g. pulse dialing or

on hook / off hook transfer). Because the POTS filter connects directly to the

subscriber loop media , it must also provide some protection for externally induced line

hits or faults which could damage any attached equipment or endanger humans

interacting with the installed equipment. The circuit protection will be provided mostly by

standard central office line protection means and additional protection measures built

into POTS filter to protect against line overstress which could damage the filter

itself.

2. Reference:

Ref. 1 : ETS 300 001

Ref. 2 : AS/ACIF S002 : 2001

Ref. 3 : ITU-T K21

Attachment to Public Switched Telephone Network

Analogue interworking and non-interference

requirements for Customer Equipment for connection

to the Public switched Telephone Network

Resistibility of subscribers terminal to overvoltage

and overcurrents

Data sheet subject to change without notice

RDPS-MF063(R1)01/15/2003

SHEET 3 OF 11

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