Control Unit Leds - Pliant Crewcom CCU-22 Operating Manual

Control Unit LEDs

Each LED on the rear of the Control Unit (CU) indicates a particular condition or status for the device. See the table
below for details about each meaning.
Control Unit's LEDs
Port/LED Description
CrewNet Left Green
LEDs
Off – No CrewNet connection detected.
Right On (Green) – 1000 Mbps link is detected.
Blinking (Green) – Activity is detected.
Off – No CrewNet connection detected.
LAN LEDs Left Blinking (Green) – LAN link is connected.
Green
Right Off – LAN activity is detected.
Amber
Sync LEDs Left Green
Red – Sync connection has a problem (e.g., when a CrewNet connection is made to the sync
port of a secondary or tertiary CU).
Off – No Sync connection detected.
Right On (Green) – 1000 Mbps link is detected.
Off – No Sync connection detected.
– CrewNet connection is good.
– No LAN connection detected.
– No LAN activity detected.
– Sync connection is good.
Operation - 45