2.4 Rack Expansion Interface Unit
Indicators
2-16
Indicators
These indicators show the operating status of the Rack Expansion Interface Unit, the communications sta-
tus of the cable, and the error status.
For Main Rack For Expansion Rack
Indicator
Name
Color Status When Lit, Flashing, or Not Lit
LKP1 Green
Lit
Communications are active with the Rack Expansion Interface Unit connected to
port 1.
Not lit
• Consecutive communications errors occurred and communications cannot be
recovered automatically.
• The cable was disconnected or was not connected to the port.
• The current Rack Expansion Interface Unit or another Rack Expansion Inter-
face Unit connected to it has a hardware failure.
LKP2 Green
Lit
Communications are active with the Rack Expansion Interface Unit connected to
port 2.
Not lit Same as LKP1.
LKP3 Green
Lit
Communications are active with the Rack Expansion Interface Unit connected to
port 3.
Not lit Same as LKP1.
ERR Red Lit
• Consecutive communications errors occurred on one of the ports and communi-
cations cannot be recovered automatically.
• The cable was disconnected or was not connected. These errors are not shown
on the Main Rack Expansion Interface Unit before the connection is estab-
lished.
• The current Rack Expansion Interface Unit or another Rack Expansion Inter-
face Unit connected to it has a hardware failure.
If communications errors occur consecutively during operation, communications between the Main
Rack and Expansion Rack will stop.
To Next Page
Loading...
