SST SST-PFB-SLC - Comm Led

Installation and Wiring
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4.3.2 COMM LED
The COMM LED indicates errors on the network. The following table
provides a description of the status of the LEDs.
If you are using the scanner as a passive DP slave only, this LED will
normally be off.
Color Indication
Red a network error has occurred. the LED flashes red at one second
intervals.
Green no network errors exist.