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Installing a Serial Communications Board Section 3-1
3-1 Installing a Serial Communications Board
Installation Procedure This section describes how to install a Serial Communications Board in the
option slot of a CPU Unit. Only one Serial Communications Board can be
installed in each CPU Unit.
Note 1. Always turn OFF the power before installing or removing the Serial Com-
munications Board. Installing or removing the Serial Communications
Board with the power ON can cause the CPU Unit to malfunction, damage
internal components, or cause communications errors.
2. Before handling the Serial Communications Board, touch a grounded me-
tallic object in order to discharge any static build-up from your body.
1,2,3... 1. Press the catches at the top and bottom of the Inner Board compartment
cover.
2. Remove the Inner Board compartment cover.
3. Insert the Serial Communications Board.
Press the top catch. Press the bottom catch.
Inner Board Connector
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