CPF121F データシートの表示（PDF） - YCL Electronics

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CPF121F

Asymmetric Digital Subscriber Line

YCL Electronics  

Product Specification

CPF121F

4.3. Electrical specification : 1

Item

Splitter parameter

Electrical requirements

Range

values

Frequency range

Splitter bandwidth

DC to 3.4KHz

Nominal voice band

0.3KHz to 3.4KHz

Ringing frequency

25Hz to 50Hz

ADSL band

30KHz to 1104KHz

Line Impedance ZL

270ohm + (750ohm || 150nF)

CO impedance ZTc

270ohm + (750ohm || 150nF)

RT impedance ZTr

270ohm + (750ohm || 150nF)

Modem impedance

30KHz< f< 1104KHz 100 ohm

Operation voltage voice band

Nominal signal

21mVpp to 5.4 Vpp

Billing tone

10Vpp to 30.2Vpp

Ringing signal

25Hz

100Vrms

DC voltage

45V to 52V

Max. AC voltage

150Vrms with -105VDC offset

Current voice band

Loop current

<=80mA

All other electrical performance

1 Polarity independence

All

requirements shall be met for both

DC polarities

Shunt capacitance between A-

2

DC or low freq.<=50Hz <=150nF

wire and B-wire terminals

Resistance between each line

3

DC

terminal and earth at 250 V DC

>=10Megohm

Resistance between A-wire and

4

DC

B-wire terminals at 250V DC

>=10Megohm

Series resistance at POTS port

5 with line port S/C (Clause 6.2.3 DC

<=50ohm

Ref. 5)

Data sheet subject to change without notice

RDPS-POTS438(R1)12/25/2002

SHEET 6 OF 14

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