Nortel Networks 311 사용자 설명서
Operation
587
Figure 147
Loop start call states - incoming call from CO/FX/WATS
Loop start call states - incoming call from CO/FX/WATS
The alerting signal into the Meridian 1 is 20 Hz (nominal) ringing sent by
the CO. When an incoming call is answered, ringing is tripped when the
Meridian 1 places a low-resistance dc loop across the tip and ring leads
toward the CO. See
the CO. When an incoming call is answered, ringing is tripped when the
Meridian 1 places a low-resistance dc loop across the tip and ring leads
toward the CO. See
and
.
The alerting signal into the CS 1000 is 20 Hz (nominal) ringing sent by
the CO. When an incoming call is answered, ringing is tripped when the
CS 1000 places a low-resistance dc loop across the tip and ring leads
toward the CO. See
the CO. When an incoming call is answered, ringing is tripped when the
CS 1000 places a low-resistance dc loop across the tip and ring leads
toward the CO. See
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311
01.04
Standard
Release 5.0
23 May 2008
Copyright © 2003-2008, Nortel Networks
.