XLR BAL
1-GND
2-HOT+
3-COLD-
CHIME
ACTIVE
+48V PHANTOM
ON OFF
ON OFF
ON OFF
ON OFF
PRIORITY
MIC 1
GAIN
CHIME
2 TONE
4 TONE
REMOTE
~ 230V 50Hz
T3.15AL 250V
MIC 2
GAIN
+48V PHANTOM
MIC 3
GAIN
+48V PHANTOM
MIC 4
GAIN
+48V PHANTOM
TEL
VOLUME
INPUT
LINE 1
OUT
LINE 2
LINE
TEL
EMC
INPUT
OUTPUT
ZONE 5
ZONE 4
ZONE 3
ZONE 2
ZONE 1
COM 100V
COM 100V
COM 100V
COM 100V
COM 100V
100V
4
8
70V
COM
BATT SUPPLY
24V
8A
NOMENCLATURE AND FUCTIONS
4.2 REAR PANEL
22.DC INPUT TERMINALS
These terminals are provided for the conne-
ction of backup battery.Connect a 24VDC 50A
battery source to these terminals.Make certain
the red terminal is connected to the battery's
positive (+) side,and the black terminal to the
battery's negative (-) side.
23.INPUT GAIN CONTROLS(TRIM VR)
These knobs provide continuous control of the
input levels for each of the six input channels.
When adjusting the input gain, make certain
that the levels are not set too high, or distortion
will result.
NOTE:
It is safe to connect most modern dynamic
microphones or line level devices to the
channel Inputs when phantom power is
activated. However, some older ribbon
microphones may be damaged by phan-
tom power, and certain unbalanced line
level devices maymalfunction or produce
an Audible hum when phantom power is
active.
24.MIC INPUT CHANNEL 1~4
This is a special connector which will accept
either a 3-conductor XLR or a 3-conductor 1/3
jack.These inputs are suitable to receive signal
from microphones level devices.
+24V
+24V
(3)COLD
(2)HOT
(1)GNO
0V
25.LINE INPUT CHANNEL 1~2
This line-level input is an extra stereo input for a
stereo source such as a tape deck or CD player.
26.LINE OUTPUT
(Connection for power amplifier or recording equi-
pment)
27.EMC INPUT
When EM switch is connected and pressed in fire
or other emergencies, EM broadcasting stored in
voice ic is outputted. When selected, these sw-
hes will give priority to over all other signals inputs.
28.TEL AUDIO INPUT
Remote telephone paging and announcement
29.TEL AUDIO VOLUME
30.CHIME
2 Tone/4 Tone chime switch
31.FANNER
32.REMOTE CONTROL INPUT
By connecting a 15-pin D-SUB connector, it is po-
ssible to control speaker zone selection and activ-
ate the chime via wired remote. connection term-
inals for the remote are shown below.
MIC JACK (XLR JACK)
Pin 1:GROUND
Pin 2:HOT(+)
Pin 3:COLD(-)
LINE JACK (TRS PHONE JACK)
Sleeve:GROUND
Tip:HOT(+)
Ring:COLD(-)
GROUND
2.HOT
3.COLD
1.
1
3
2
HOT
COLD
GROUND
32
31
22
23
24
25 26 27 28 29 30
34
37
36
35
33
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