
Section 4 – Module Operation
This section describes the operating modes of the module. It includes fault
conditions, indicators, and troubleshooting information.
4.1 Normal Operations
The Transmit (Green) LED will flash when the SEM sends data to external devices.
The Receive (Red) LED will flash when data is received from external devices.
The Transmit (Green) LED, and the Receive (Red) LED, indicators will vary in intensity
depending on the data being transmitted or received.
4.2 Fault Conditions
The Communications LED (Green) is OFF, or ON Solid.
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