220V - 230V
240V
127V
110V
RED
GRN
BLK
YEL
BLUE
BRN
RED
GRN
BLK
YEL
BLUE
BRN
RED
RED
GRN
GRN
BLK
BLK
YEL
YEL
BLUE
BLUE
BRN
BRN
0V + 48 V DC Emergency
battery supply
Remote switch
Open = DC power ON
Closed = DC power OFF
CALL
MUSIC
1
2
3
4
5
100V
70V
50V
0V
0V
0V
TEST INPUT
TEST INPUT
3 5
2
4
1
|
|
| |
| | | |
|
|
1
2
3
4
48V
MAINS
DC
POWER
+
-
Fig. 4 - Mains connections
Fig. 5 - Battery supply
Fig. 6 - SQ45 Block diagram