Karel MS224, Инструкция по установке и обслуживанию, Страница: 78 / 81

Karel MS224 Installation & Maintenance Guide
Edition 3.2
75
Figure B-29
MS224 is enhanced with a facility to provide the efficient use of the music
source by way of its external relay (see section III.11.). When the power switch
of the music source is connected to the relay on the MS224 CPUKON card and
the necessary programming is carried on, the music source is automatically
activated when an external party is parked or put on hold or a user activates
Background Music facility. Hence, the music source remains on only while a call
is parked or put on hold or when a user is listening to music on the handsfree
telephone.
III.11. EXTERNAL RELAY
The external relay on the MS224 CPUKON card can be used to switch one of the
following equipments provided that the relay is programmed accordingly:
1) Door Opener
2) External Ringer (to ring for the incoming external calls)
3) External Announcement System (see section III.4.)
4) External Music Source (see section III.10.)