YCL CPF104IG Datasheet

Product Specification

CPF104IG

Data sheet subject to change without notice RDPS-POTS434(R0)10/16/2002

SHEET 1 OF 11

File No RDPS-POTS434
Revision R0
System Application

ISDN Filter for ADSL

Product Type ISDN / POTS
Product Name CPF104IG
Date Oct. 16, 2002

Bert Lin - Design Engineer, R&D_1Issued By

[e-mail]

Roger Wu – Manager, R&D_1Approved By

[e-mail]

Issued Date

YCL Electronics Co., Ltd.

No.95, Feng Jen Road. Feng Shan City, Kaohsiung, Taiwan, R.O.C.

This controlled document is the property of YCL Electronics Co., Ltd. Any duplication
reproduction or transmission by unauthorized parties without the prior written
permission of YCL Electronics Co., Ltd. is prohibited.

Product Specification

CPF104IG

Data sheet subject to change without notice RDPS-POTS434(R0)10/16/2002

SHEET 2 OF 11

Table of contents

Item Description Page

1 Introduction

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3

2 Reference

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3

3 Abbreviations

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3

4

Technical requirements

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4

4.1. Block diagram

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4

4.2. Electrical specification

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5

4.2.1. General requirement

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5

4.2.2. DC characteristic

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6

4.3. Test methodology

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7

4.3.1. Filter insertion loss and attenuation
and return loss test for ISDN port

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7

4.3.2. Filter insertion loss and attenuation

and return loss test for POTS port

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8

4.3.3.Filter Return Loss test for POTS port

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9

5 Environmental condition

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10

5.1. Resistibility to overvoltage and

overcurrents

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10

5.2. Climatic condition

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10

5.2.1. Operating temperature

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10

5.2.2. Storage and transport

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5.2.3. Operating humidity

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10

6 Reliability conditions

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10

6.1.Thermal shock

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6.2. Temperature humidity exposure

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10

6.3. Vibration test

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10

7 Mechanical design

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7.1. PCB dimension

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Product Specification

CPF104IG

Data sheet subject to change without notice RDPS-POTS434(R0)10/16/2002

SHEET 3 OF 11

1. Introduction:

The CPF104IG is a splitter module that has been specifically designed to implement the
functionality of low pass filter in ISDN over ADSL application. The CPF104IG integrate low
pass filter that block the high frequency energy from reaching the ISDN device and provide
isolation from impedance effects of the ISDN 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. This splitter mainly consist of one low pass filter which provide ISDN and POTS solution
respectively

2. Reference:

Ref. 1 : ETSI TS 101 388 Asymmetric Digital Subscriber Line European specific
requirements

Ref. 2 : ANSI T1.413 Network and customer installation interface.
Ref. 3 : ITU G.992.1 Annex B
Ref. 4 : ITU-T K.21 Resistibility of telecommunication switching equipment to
Overvoltages and overcurrents .

3. Abbreviations:

ADSL Asymmetric Digital Subscriber Line
ISDN Integrated Service Digital Network

CO Central Office
CPE Customer Premise Equipment.
POTS Plain Old Telephone Service
RT Remote Terminal

Z

ADSL

Network termination of ADSL

Product Specification

CPF104IG

Data sheet subject to change without notice RDPS-POTS434(R0)10/16/2002

SHEET 4 OF 11

4. Technical requirements:

4.1. Schematic :

A block diagram of this product is graphically illustrated as below.

CB
27nF x 2