No or improper grounding may cause instability in operation as well as decrease in
lightning resistance.
z
As the device will gradually heat up while being used, please maintain good ventilation to
prevent sudden failure, ensuring that the ventilation holes (see Figure 1-4) are never
jammed.
z
During runtime, if the alarm indicator lights up or flashes, it indicates that the device goes
abnormal. If you cannot figure out and solve the problem by yourself, please contact our
technicians for help. Otherwise it may lead to a drop in performance or unexpected
errors.
C
UMG Gateway User Manual (Version 1.6.3)
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