Carrier Access Network Device Axxius 800 - Manual (Page 387)

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