NEAX2000 IVS
2
General Description
NDA-24293, Issue 2
Page 79
Chapter 8
System Performance
Operating Conditions
Ambient Temperature: 32°F ~ 104°F (0°C ~ 40°C)
Relative Humidity:
90% max (non-condensing)
Transmission Characteristics
a.) Cross Talk Attenuation: More than 70 dB at 1000 Hz
b.) Idle Circuit Noise: Less than -65 dBm
c.) Insertion Loss (relative to 1KHz-10 dBm):
•
Station-to-Station -
Typical
6
dB
•
Station-to-Trunk -
Typical
0.5
dB
•
Trunk-to-Trunk
- Typical 0.5 dB at 0 dB PAD control
d.) Longitudinal Balance
Trunk Side: Better than 58 dB
e.) PCM Characteristics:
•
Line Rate - 1.544 Mbps
•
µ-Law
•
Meets North America TI-04 Standards
f.) Return Loss: More than 15 dB (300 ~ 3,400 Hz)
•
Line Impedance:
Station: 600
Ω
Trunk:
600 or 900
Ω
g.) Leakage Resistance: More than 20,000
Ω
