SN.:
485 INPUT
485 OUTPUT
NC
ALARM
PAGING
INPUT
AMP
CH1
CH2
CH3
CH4
+
-
+
-
+
-
+
-
CH9
CH10
CH11
CH12
+
-
+
-
+
-
+
-
CH5
CH6
CH7
CH8
+
-
+
-
+
-
+
-
CH13
CH14
CH15
CH16
+
-
+
-
+
-
+
-
AMP2
AMP3
+
-
+
-
AMP1
AMP4
+
-
+
-
6
7
1. RS-485 CONTROL PORT
Connect to a Emergency panel or Alarm matrix to trigger a paing.
2. NOT USED
3.
16CH SPEAKER OUTPUT TERMINALS
These terminals are for connection of 16 channels speaker lines to deliver power output to speakers.
Be careful not to change the “+” and “-” lines. The capacity of each zone is 20A
/
150V
.
4
.
4CH NORMAL AMPLIFIER INPUT PORTS
Usually connect to the output (100V or 70V line) of a background music amplifier.
Be careful not to change the “+” and “-” lines.
Description of corresponding zones:
5
.
EMERGENCY AMPLIFIER INPUT PORT
Usually connect to the output (100V or 70V line) of a emergency amplifier (like fire alarm amplifier etc.)
Be careful not to change the “+” and “-” lines.
Description of corresponding zones: E: CH1~CH16;
6
.
AC POWER INPUT PORT
Connect the supplied standard AC input cable here.
7
.
AC FUSE HOLDER
The fuse holder contains the AC overload protection fuse. If the fuse has blown out, replace it with a fuse of
the same specifications. If the fuse continues to blow, refer servicing to a qualified service technician.
Rear
Panel
SS-6255A 16CH Normal/Paging Speaker Selector
www.thinuna.com Page 5 Version A
AMP1
INPUT
OUTPUT
AMP2
AMP3
AMP4
CH1
、
CH2
、
CH3
、
CH4
CH5
、
CH6
、
Ch7
、
Ch8
CH9
、
CH10
、
CH11
、
CH12
CH13
、
CH14
、
CH15
、
CH16
