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applicable only to a single port, but not to a port group consisting of more than one port. Refer to
3.5.1 Port
for detailed instructions.
Special Instructions:
z
The chassis of the SMG analog gateway must be grounded for safety reasons,
according to standard industry requirements. A simple way is earthing with the third pin
on the plug or the grounding studs on the machine. 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.
SMG Series Analog Gateway User Manual (Version 1.0)
Page 9