- 20 -GA-8LD533 Series Motherboard
English
15) COM B
1
NDCDB-
NRTSB-
NSOUTB
GND
NRIB-
NSINB
NDTRB-
NDSRB-
NCTSB-
NC
Be careful with the polarity of the IR
connectorwhile you connect the IR. Please
contact you nearest dealer for optional IR
device.
16)IR
VCC(+5V)
IR Data Input
GND
IR Data Output
1
Be careful with the polarity of the COMB
connector. Check the pin assignment
while you connect the COMB cable.
Please contact your nearest dealer for optional
COMB cable.
17) CI (CASE OPEN)
This 2 pin connector allows your system to
enable or disable the system alarm if the sys
tem case begin remove.
1
Signal
GND
18) CLR_CMOS (Clear CMOS)
1-2 close: Clear CMOS
2-3 close: Normal
1
1
You may clear the CMOS data to its default
values by this jumper. Default doesn’t include the
"Shunter" to prevent from improper use this jumper.
To clear CMOS, temporarily short 1-2 pin.
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