Carrier Access Network Device Axxius 800 Manual De Usuario

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Release 1.0 or higher is required for the POTS Service cards

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Return Loss: ERL > 28 dB, SRL > 20 dB with respect to 900

Ω + 2.16µ

F

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Transhybrid Loss: ERL > 28 dB, SRL > 20 dB with respect to 900

Ω + 2.16µ

F

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Idle Noise: A/D < 25 dBrnC0

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Signal/Distortion: > 45 dB with 1004 Hz, 0 dBm0 input

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Terminating Impedance: 900

Ω

 + 

2.16µ

F 

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Transmit Gain/Loss: +4 to -12 dB (in .25 increments)

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Receive Gain/Loss: +4 to -12 dB (in .25 increments)

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Overload: +3.0 dBm0

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Frequency Response: +0 dB -1.0 dB from 300 to 3400 Hz

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Longitudinal Balance: >50 dB

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Modem support: full compatibility with V.90 modems

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The Single Channel POTS card modem is registered for direct connection to the 
PSTN

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DC Loop Range: 512 

Ω

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Loop Feed: Nominal -48 VDC with 26mA current limit 

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Ringing Voltage: 40 V rms, 20 Hz

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Maximum Ringers: 2 REN, FCC Class B ringers

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FXS Signaling: FXS loop start