深圳市代码网益熙电子有限公司销售部

General conditions Splitter bandwidth DC to 17.3 kHz Nominal voice band 300 Hz to 3.4 kHz Billing tone 12/16 kHz ± 1 % Ringing frequency 25 Hz to 50 Hz ADSL band 25 kHz to 2208 kHz Line Impedance Zreal(1) 200 Hz to 4 kHz 600 ohms CO impedance ZTc 200 Hz to 4 kHz 600 ohms RT impedance ZTr 200 Hz to 4 kHz 600 ohms Modem impedance 32 kHz to 2208 kHz 100 ohms Operation voltage voice band Nominal signal 21 mVp-p to 5.4 Vp-p Billing tone 10 Vp-p to 30.2 Vp-p Ringing signal 100 Vrms DC voltage 100 V Max. AC voltage 100 Vrms with 100 VDC offset Max. differential 250 V Operation current voice band DC Loop current < 100 mA DC requirements DC resistance The sum of A-wire and B-wire resistances from the LINE to the TELE port; term = 0 Ω < 25 ohms Isolation resistance, branch-earth 100 VDC; term = ∞ Ω > 20 Mohms Isolation resistance, branch-branch 100 VDC; term = ∞ Ω > 5 Mohms Voice band requirements Insertion loss (Zreal(1)) @ 1 kHz < 0.3 dB Splitter parameter Electrical requirements Rang... [详细介绍]