Instruction manual

Safety Information
Safety - 2
If any problem occurs, immediately turn off the device.
z In the case of smoke, a bad smell or an intrusion of substances or water into the device, follow the
instructions below to turn off the device. Continuous use might cause a fire or an electric shock.
Countermeasures Against Problems
Do not put any foreign substances into the device.
z Do not insert or drop metal objects or flammable materials through the air vents into the device. A fire or
an electric shock might be caused.
When attempting to push the RESET switch, do not use a tool with a fragile tip, a pin
or a paper clip, which can be caught or dropped inside the switch and will not be taken
out.
z When attempting to push the RESET switch, do not use a tool with a fragile tip, a pin or a paper clip, which
can be caught or dropped inside the switch and will not be taken out. A fire or an electric shock might be
caused.
Do not modify the device.
z Do not modify the device. A fire or an electric shock might be caused.
Do not make bump or drop the switch.
z In case that the device is dropped or a component is damaged, turn off the device, disconnect the power
supply cable from the outlet and contact the maintenance staff. Continuous use might cause a fire or an
electric shock.
Do not put any objects on the device.
z Do not put metal objects including pins and paper clips or containers with water such as vases and plant
pots on the device. If such objects get into the device, a fire or an electric shock might be caused.
Faulty device Actions
AC power model
AC (PoE) model
Without the external power
unit (EPU)
Turn off the main device and disconnect the power supply
cable.
With the external power unit
(EPU)
Turn off the main device and the power supply module, which
outputs power to the device, and disconnect the power supply
cable.
DC power model Turn off the main device and open the circuit breaker for the
electrical power equipment.
Power redundancy model
With AC power supplies
Turn off all power supplies installed the device and disconnect
the power supply cable.
With DC power supplies
Turn off all power supplies installed the device and the circuit
breaker for the electrical power equipment.
EPU Turn off the EPU and disconnect the power supply cable.