Alaxala AX6300S Series Instruction Manual page 138

4. Installing a Switch
(2) Disconnecting the DC power cable
Reverse the steps described in (1) Connecting the DC power cable to remove the
power cable.
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After connecting the DC power cable, attach the terminal board cover.
Using the power supply unit without the cover could result in electric
shock.
Connecting and disconnecting a DC power cable must be performed
by a trained technician or maintenance personnel. The DC power
cable is connected to the terminal board. For this reason, incorrect
handling of the DC power cable could result in fire or electric shock.
Make sure the circuit breaker of the power supply facility is set to OFF
before connecting or disconnecting the DC power cable. Connecting
or disconnecting the cable with the circuit breaker of the power supply
facility set to ON could result in fire or electric shock.