StorCase Technology 14-Bay 3U Fibre - Manual (Page 21)

12 Fibre Channel Configurations
StorCase Technology, Inc. InfoStation 14-Bay FC User's Guide - Rev. B00
PBP Module LEDs
DIAG ON = Communication link to UI has failed
OFF = Normal operation
All Bypass ON = All drives are forced into bypass
Loop A ON = Error detected in the Loop A data input
Data In Error
Loop A ON = Error detected in the Loop A data output
Data Out Error
Loop B ON = Error detected in the Loop B data input
Data In Error
Loop B ON = Error detected in the Loop B data output
Data Out Error
DIAG
Loop A
Data In Error
Loop B
Data In Error
All Bypass
Loop A
Data Out Error
Loop B
Data Out Error
Figure 8: PBP Module LEDs