User's Manual

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If multiple ROUs connected to BIU share the same ID, the screen will fail to read status
information on the ROUs with the same IDs. Therefore, make sure not to redundantly set ROU
ID.
Checking Communication LED of
RCPU
Check if TXD and RXD LEDs in RCPU make communication. Receiving FSK signals from BIU,
ROU sends requessted status value to BIU. During reception, RXD LED flicks. During