
3-17
SIO
P4
P3
P2
P1
P4
SLC
LOOP
P3
P2
P1
LAN
110-240VAC
1.4A 50/60Hz
I(ON)
O(OFF)
Connecting Power Cable
Before connecting the power cable to the SMG-400, you have to be aware of the following
guidelines.
y
Do not connect other equipment to the AC outlet connected to the system to avoid
malfunction or fire of the system due to electrical noise and low voltage.
y
The AC power source to supply power must be stable and uninterruptible, since power
outages during the night can cause malfunctioning of the system.
After checking the above guidelines, connect the power cable to the system as follows.
1. There is a power connector on the rear side of the SMG-400.
2. Connect grounded outlet and the power connector on the rear side of the system with the power
cable.