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CA8500B
Control
Board
Cut View
-
TAMPER TB3
SWITCH
CTS
DTR
DCD
RD
TD
GND
RS-232 (COM4)
Ensure all lock
hardware complies
with federal, state/
provincial, and
municipal fire codes.
KI-00128E-07-11
Keyscan Technical Guide (PC109x - 04.12)
Figure 25 – Terminate Lock Wiring CA8500B
OCB-8
Normal
J1
OCB-8 ribbon cable
to
J8
connects to CONTROL 1
terminal.
Reversed
ACU EXT
PWR
red stripe
GND
12V
OCB-8 powered
through ribbon
cable with J9 set
to ACU PWR.
Door # 1
Door Strike
- Fail Secure -
to N.O.
+
Diode
1N4004
-
Com
K8
K7
K6
K5
Door
Door
Door
Output
Output
Output
8
7
6
J7
J6
J8
J1
J2
J3
Door
Door
Door
J9
Output
Output
Output
1
2
3
K1
K2
K3
K4
-
Ground
DC
Lug
Supply
Door
Output
5
J5
J4
Door
Output
4
12 VDC+
37
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