Panasonic DBS 824 Manual page 241

CO Ring Cycle Detection Timer
Software Version CPC-S and CPC-M, Version 1 0 and higher
A d d r e s s
Description
This timer determines how long the DBS 824 attempts to detect an incoming
CO ring cycle To ensure that the DBS 824 can recognize incoming trunk
calls, set this timer to equal the duration of the ring cycle including thefirst
on
For example if the ring cycle for an incoming trunk is 2 seconds on/ 4
seconds off, this parameter should be set to at least 6 seconds to detect the full
cycle
ring signals
See Figure l-2 below for an example of proper CO ring cycle detection
timing for an incoming pattern of 2 seconds on/4 seconds off
2 seconds on
4
Length of CO Ri
Detection
Timer- seconds
Issued 3/l /95
period and the first of period
2 seconds on
seconds off
Cycle
DBS 824-l O-400
. Incoming
Ring Cycle
Detection
Timer
l-93