Keyscan Technical Guide (PC109x - 04.12)
181
Table 38 – CA8500B Quick Reference
Function Location Instructions/Notes Additional
Reference
Power & Grounding PSC1
or
TB1 Power Terminal Block -
Control board power (+) and
(-) 12VDC - ACU PWR.
Reader power (+) and (-)
12VDC - READER PWR.
Connect to DPS15 power
supply
See Figure 83.
Readers 1 to 8 Data 0, Data 1 Wiegand signal See Figure 35.
Jumper Functions J16 – System Configuration For communication and system
settings
See page 53.
J1 – Clear ACU Memory Resets control board to factory
defaults
See page 66.
J6 – System Reset Re-boots the control board to
affect communication or
jumper changes
J17 – System Mode Sets system software/PROM
versions
See page 56.
J3 – Reader Configuration Sets system to specific reader
format/type
See page 57.
J18 – Address/External
Settings
Sets the input supervision type See page 65.
Wiegand LED bit counters 10s, 1s 10s counts first binary digit
1s counts the second binary
digit
See page 61.
Relay Status Jumpers
(OCB -8 Circuit Board)
JR1 – JR8 Right side – Normal
Left side – Reversed
See page 33.
Communication RS-232 (COM4) Direct RS-232 serial
connection (J16 – jumper OFF
pins F & G)
CPB/CB MODULE (COM4) For connecting CB-485 or CPB-
10-2 boards (J16 – jumper ON
pin G to activate terminal)
ECM/GCM MODULE (COM2 &
COM3)
Reserved
M1 For network communication
with NETCOMP (J16 – jumper
ON pin F to activate terminal)
For programming NETCOMP
(J16 – jumper ON pins F & G)
IOCB (COM1) IOCB1616 communication with
ACU
Refer to IOCB1616
documentation
Control Board Test Voltages See page 111.
Communication Test
Voltages
See page 113.
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