CPF127F 查看數據表（PDF） - YCL Electronics

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产品描述 (功能)

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CPF127F

Asymmetric Digital Subscriber Line

YCL Electronics  

Product Specification

4.2. Electrical specification:

4.2.1. ISDN requirement :

CPF127F

Splitter parameter

Electrical requirements

Range

values

ISDN band(3dB bandwidth)

DC to 94KHz

ADSL band

138KHz –2208KHz

Nominal impedance

Line impedance ZL

150 ohm

CO impedance ZTc

150 ohm

RT impedance ZTr

150 ohm

Modem impedance

Current voice band

100 ohm

Loop current

DC resistance

80mA

DC resistance

<=12.5 ohm

Isolation resistance tip/ring 100 Vac

>5 M ohm

ISDN band characteristic

Delay distortion

300Hz<f<80KHz

<=20 µs

300Hz<f<30KHz

>40 dB

Longitudinal balance

30KHz<f<1104KHz

>50 dB

1104KHz<f<5MHz

>30 dB

Splitter parameter

Range

Value

Port

Modem ISDN/POTS Line

Insertion Loss

1KHz<f<60KHz

<1.2dB

ZADSL 150

150

60KHz<f<80KHz

<2.0 dB

ZADSL 150

150

1KHz<f<60KHz

<1.5dB

NA 150

150

60KHz<f<80KHz

<2.5 dB NA 150

150

Return Loss

1KHz<f<60KHz

≥16 dB

ZADSL 150

150

60KHz<f<80KHz

≥14 dB

ZADSL 150

150

1KHz<f<60KHz

≥16 dB

NA 150

150

60KHz<f<80KHz

≥14 dB

NA 150

150

138KHz<f<2208KHz >55 dB

ZADSL

ZRHF

100

Stop Band Attenuation

138KHz<f<150KHz >55 dB

ZADSL

ZISDN

100

150KHz<f<1104KHz >65 dB

ZADSL

ZISDN

100

1104KHz<f<2208KHz >55 dB

ZADSL

ZISDN

100

120KHz<f<170KHz <3 dB

ADSL insertion loss

170KHz<f<1104KHz <1 dB

100 NA

100

Data sheet subject to change without notice

RDPS-POTS485(R0)03/28/2003

SHEET 5 OF 10

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