User's Manual

Unison Expansion Hub PRELIMINARY
4-6 InterReach Unison User Guide and Reference Manual
PN 8700-10
620003-0 Rev. A
Port LEDs
The Expansion Hub has one pair of port LEDs for each of the eight RJ-45 ports. The
port LEDs can be in one of four states, as shown in the following table. These LEDs
can be:
off
steady green
steady red
Table 4-2 Expansion Hub Port LED States
LED State Indicates
Off
Off
• RAU is not connected
Green
Green
• RAU is connected
• No faults from RAU
Red
Off
• Loss of communications to RAU
Green
Red
• RAU is connected
• Fault/lockout condition reported by RAU
LINK
RAU
LINK
RAU
LINK
RAU
LINK
RAU