NEC N8551-28F Instruction Manual page 7

Attention to Installing, Moving, Storing, Connection
Caution
Do not close the ventilation hole.
Do not close the ventilation hole in the front side of the Built-in
AIT. Otherwise, Its internal temperature will rise to cause
malfunctions or a fire.
Do not connect/disconnect the interface cables before
unplugging the power plug.
Before connecting/disconnecting the interface cables, disconnect
the power plug of the main power unit from the outlet. If the
power is off but the power plug is still connected, you may get an
electric shock.
Do not use the unspecified interface cables.
Use only the cable authorized by NEC and locate the device and
connector before connection. Use of an unauthorized cable or
displaced connection may cause a short circuit, resulting in a
fire.
When handling or connecting the interface cables, keep the
notes as follows:
• Do not tread on cables.
• Do not load on the cable.
• Insert the cable connector as far as it goes.
• Do not use damaged cables.
• Do not use damaged connectors.
• Make sure that screwing or the like be done firmly.
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