User's Manual Part 2

6-5
Expansion Hub LEDs
There are two sets of LEDs on the front panel
• Expansion Hub
UTP/STP Ports
• Expansion Hub Functionality
•
UTP/STP Ports LEDs
Provides status on each of the Expansion Hub’s four UTP/STP ports.
•
Expansion Hub Functionality LEDs
Provides diagnostic information on the Expansion Hub’s functionality.
LED Color Indication
LINK STATUS
Green
Red
Indicates good connection to the RAU.
Connection problem between Expansion Hub and the RAU
plugged into that port.
SYNC
Green
Red
Indicates RAU connected to it is operating properly.
Problem with the RAU plugged into that port.
LED Color Indication
SYNC
Green Indicates Expansion Hub is receiving the synchronization
signal from Main Hub.
POWER
Green Turns green when Expansion Hub has power.