Co Loop Specification; Table 3.1.3.4-1 Co Loop Specifications - LG-Nortel ipecs Installation Manual

IPECS Release 5
Hardware Description & Installation
3.1.3.4

CO loop specification

Note 1 Ring sensitivity on Analogue CO lines will vary from one regulatory region to another.

Table 3.1.3.4-1 CO Loop Specifications

ITEM
Ring Detect Sensitivity
DTMF Dialing
- Frequency Deviation
- Signal Rise Time
- Tone Duration, on time
- Inter-digit Time
Pulse Dialing
- Pulse Rate
- Break/Make Ratio
SPECIFICATION
40 Vrms @ 16~30 Hz
30 Vrms @ 30~37 Hz
Less than +/-1.8%
Max. 5ms
Min. 50ms
Min. 30ms
10 pps
60/40% or 67/33%
46
Issue 5.0