Table of Contents
Advertisement
Chapter 10 — NTMW06 Analog Line Card
Table 35
NTMW06 Analog Line Card technical summary
Impedance
Loop limit (excluding
set)
Leakage resistance
Ring trip
Ringing voltage
Signaling
Supervision
Power input from
backplane
Insertion loss
Meridian 1 Option 11C Compact
600 ohms
1000 ohms at nominal -48 V (excluding set)
30,000 ohms
During silent or ringing intervals
86 V AC
Loop start
Normal battery conditions are continuously
applied (approximately -44.5 V on ring and -2.5
V on tip at nominal -48 V battery)
-48 (minimum -42), +15, -15, +8.5 V and ringing
voltage; also -150 V on analog message
waiting line card.
6 dB + 1 dB at 1020 Hz
3.5 dB loss for analog to PCM,
2.5 dB loss for PCM to analog
Page 101 of 136
Technical Reference Guide
Advertisement
Table of Contents
