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4
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10
11
12
7
1.
DS8 “POWER ON” LED:
Indicates the unit has
12 Vac power.
2.
VR1 “SPEAKER LEVEL”:
Used to adjust
speaker volume.
3.
KEYPAD Connector:
Connects internal keypad
to circuit board.
4.
VR2 “FEEDBACK”:
Used to adjust audio
feedback.
5.
“MIC” Connection:
Connects microphone to
circuit board.
6.
“EARTH GND”:
Used to ground the unit. The
unit MUST be grounded properly. Refer to
Grounding the Unit.
7.
TB3 “PHONE LINE” Connector:
TIP and Ring
connections.
8.
TB5 “EXIT REQUEST” Connector:
Connects
REX device to the unit.
9.
EXTERNAL KEYPAD Connector:
Connects an
external keypad to the unit.
10.
“PWR IN” Connector:
12 Vac power input for
the unit.
11.
“RELAY 2” Connector:
Connects control access
devices to the unit.
12.
“RELAY 1” Connector:
Connects control access
devices to the unit.
DESCRIPTION OF CIRCUIT BOARD
Summary of Contents for Crown Jewel
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