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2-2SectionInstallation
16
2-2-4 Precautions in Handling the Board
Turn OFF the power supply to the CPU Unit before mounting or removing the
Board.
Turn OFF the power supply to the CPU Unit before before connecting or dis-
connecting Board connectors or wiring.
Separate the port connector lines from the high-tension or power lines to re-
duce external noise.
Leave the port cover attached when not using a communications port.
Port cover