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CPF101IG

POTS/ISDN Filter for ADSL, POTS/ISDN Splitter

YCL Electronics  

Product Specification

CPF101IG

1. Introduction: 2

The CPF101IG is a splitter card that has been specifically designed to implement the

functionality of low pass filter in ISDN-BA with 2B1Q or 4B3T baseband linecodes over ADSL

application. The CPF101IG integrates low pass filters that block the high frequency energy

from reaching the ISDN-BA device and provide isolation from impedance effects of the

ISDN-BA device on ADSL. Because the ISDN splitter 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 splitter to protect against line

overstress which could damage the splitter itself. The electrical and transmission

specification is based on both ETSI TS 101 952-1-3 V1.1.1 and ETSI TR 101 728 V1.2.1 for

ISDN-BA requirements and POTS requirements, respectively.

2. References: 2

Ref. 1 : ETS 300 019

Environmental conditions and environmental tests for Telecommunications

equipment

Ref. 2 :

ETSI TS 101 388 V1.2.1

Transmission and Multiplexing ( TM ); Access transmission systems on metallic

access cables; Asymmetric Digital Subscriber Line ( ADSL )−European specific

requirements [ ITU-T G.992.1 modified ]

Ref. 3 : ETSI TS 101 952-1-3 V1.1.1

Specification of ADSL / ISDN splitters

Ref. 4 : ETSI TS 102 080 V1.3.2

Transmission and Multiplexing ( TM ); Integrated Services Digital Network ( ISDN )

basic rate access; Digital transmission system on metallic local lines

Ref. 5 : ETSI TR 101 728 V1.2.1

Study for the specification of low pass filter section of POTS / ADSL splitters

Ref. 6 : ITU-T Recommendation G.961

Digital transmission system on metallic local lines for ISDN basic rate access

Ref. 7 : ITU-T Recommendation K.21

Resistibility of telecommunication equipment installed in a telecommunication

centre to overvoltages and overcurrents

Data sheet subject to change without notice

RDPS-POTS408(R2)04/04/2003

SHEET 3 OF 9

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