Keyscan Technical Guide (PC109x - 04.12)
189
Table 40 – EC2500B 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 and 2 Data 0, Data 1 Wiegand signal See Figure 35.
Setting Jumpers J16 – System Configuration For communication and system
settings
See page 53.
J1 – Clear ACU Memory Resets board to factory
defaults
See page 66.
J6 – System Reset Re-boots 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.
Wiegand LED card 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)
IOCB1616 IOCB1616 communication with
ACU
Refer to IOCB1616
documentation
Control Board Test Voltages See page 111
Communication Test
Voltages
See page 113
Ribbon Cable Connection to
OCB 8
1
st
OCB 8
Elevator 1
Floors 1 to 8
H1 on OCB 8 to Control 1 -
EC2500B
(red stripe on bottom)
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