Carrier Access Network Device Axxius 800 Manual De Usuario
Axxius 800 - Release 2.2
8-3
FXO
Voice
Card
Features
Features
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Delivers FXO or DID telephone services from T1 access circuits
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Supports CLASS services including caller ID, calling party disconnect and
distinctive ringing
distinctive ringing
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Provides up to 64 FXO or DPT voice lines in one Axxius 800 chassis, occupying
just two rack units of equipment space (19 or 23- inch rack)
just two rack units of equipment space (19 or 23- inch rack)
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Complies with NEBS Level 3 standards for loop range and ringing protection for
end office and customer premises
end office and customer premises
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Offers fuseless overvoltage and overcurrent protection to minimize service calls
from lightning and power cross incidents
from lightning and power cross incidents
Technical Specifications
Controller Software and Hardware Required
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Release 1.1 or higher is required for the FXO Service card
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-48V NI48V Power Supply (P/N 740-0084) is required for this card
FXO Transmission Performance
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Return Loss: ERL > 26 dB, SRL > 18 dB with respect to 900
Ω + 2.16µ
F
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Transhybrid Loss: ERL > 26 dB, SRL > 18 dB with respect to 900
Ω + 2.16µ
F
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Idle Noise: A/D < 16 dBrnC0, D/A, 12 dBrnC0
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Crosstalk Coupling: < 70 dB at 0 dBrn0
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Signal/Distortion: > 35 dB with 1004 Hz, 0 dBm0 input
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Overload: +3.0 dBm/900
Ω
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Frequency Response: +0.3 dB -1.0 dB from 300 to 3400 Hz
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Encoding:
µ
-law 255 for U.S. and Canada as defined in CCITT G.711 and G.712
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Terminating Impedance: 900
Ω
+
2.16µ
F
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Transmit Gain/Loss: +7 to -9 dB, CLI selectable
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Receive Gain/Loss: +7 to -9 dB, CLI selectable
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Modem Support: Full compatibility with V.90 modems