CPF107J 查看數據表（PDF） - YCL Electronics

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CPF107J

Asymmetric Digital Subscriber Line, POTS Splitter For ADSL CPE side

YCL Electronics  

4.2. ZHP-r Definition :

Product Specification

CPF107J

ZHP-r is defined to be the impedance presented to the POTS connection by an ATU-R. The

equivalent circuit of ZHP-r is showing below. The ZHP-r is valid only for voice band

frequencies. The combination of capacitors in the ZHP-r is only representative.

4.3. DC characteristic :

All requirement of this specification can be met in the presence of all POTS loop currents

from 0mA to 130mA. This in line filter can pass POTS tip-to-ring dc voltages of 0V to 60V

and ringing signals of maximum 100Vrms at any frequency from15Hz to 30Hz with a dc

component in the range from 0V to 60V. The dc resistance from tip-to-ring at the line port

interface with the phone interface shorted, shall be less than or equal to 40 ohms for one

splitter.

The DC resistance from tip-to-ground and from ring-to-ground at the POTS interface with

the U-R interface open shall be greater than or equal to 10 Megohms. The ground point

shall be local building or green wire ground. As an objective , the dc resistance should

exceed 10MΩ.

4.4. Test loops :

This test loop model is valid only for voiceband frequencies.

140ohms

140ohms

140ohms

100nF

140ohms

Data sheet subject to change without notice

RDPS-POTS415(R1)09/19/2002

SHEET 5 OF 10

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