Compact User Manual
Page 6 of
18
21005 V3
4 Installation
4.1 Microphone
Input #
Scr
+
-
1
2
3
led
0V
Call zone
Standard cabling requirements:-
Microphone Type
Cable Requirement
Belden
Equivalen
t
Compact 3ZM
1 off 0.5mm² screened, twisted pair.
3 off 0.5mm² screened pair
(up to 100M).
8778
Wire each microphone connector as follows;
Scr
Mic line screen
+
Mic line white
-
Mic line Blue
Call Zone
1
Purple
2
Green
3
Yellow
LED
Red
0V
Black
4.2 Battery/Volume Restore
Batt
mf
-
+
1
2
3
Vol Restore
+
4.3 Battery Backup
The COMPACT can be supplied by a battery (22 - 28V DC) which automatically cuts
in when the mains fails.
Connect the terminals of the battery to the + and -.
4.4 Mains Fail Indicator
The COMPACT can provide a supply for a Mains Fail buzzer of indicator