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2-2SectionInstallation
14
2-2 Installation
2-2-1 Mounting the Board
This section describes how to mount a Serial Communications Board in Inner
Board slot 1 of a CPU Unit. Slot 1 is the slot on the left. Only one Serial Commu-
nications Board can be installed in each CPU Unit.
Note 1. The Serial Communications Board cannot be mounted in Inner Board slot 2.
2. Always turn OFF the power before installing or removing the Serial Commu-
nications 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.
3. 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 slot 1 compart-
ment cover.
Press the top catch. Press the bottom catch.
2. Remove the compartment cover.
Inner Board Connector
3. Insert the Serial Communications Board.