Cisco 7000 Hardware Installation And Maintenance page 278

Interface Processor LEDs
LED Pattern
1. For the LED patterns, "–" means off, "O" means on, and "X" means does not apply.
B-274 Cisco 7000 Hardware Installation and Maintenance
1
State
– O B off and A on
X X
X X
B A SAS
X X
– – Both LEDs off
X X
X X
O – B on and A off
X X
X X
– O B off and A on
X X
B A Dual Homed
X X
X X
– – Both B and A off
X X
X O Single attachment A on
O O plus both B and A on
X X
O X Single attachment B on
O O plus both B and A on plus
X X
O X Single attachment B on
O X plus B on
X X
X O Single attachment A on
X O plus A on
Indication
Wrap A
Not connected
Single attachment B (PHY A shut down)
Single attachment A (PHY B shut down)
Not connected
Dual homed with A active; not a normal
condition; indicates potential problem on B
Dual homed with B active, which is a
normal condition
Single attachment B, Dual homed A failed
Single attachment A, Dual homed B failed