Heartbeat
LED
Diagnostic
LED
Cache
active
LED
Service
action
required
LED
Service
action
allowed
LED
Hostchannel
speed- L1 LED
Drivechannel
port bypassLED
Drivechannel
speedLED
Ethernetlink
activityLED
Ethernetlink
speedLED
Hostchannel
speed- L2 LED
Figure69. LEDs, controls, and connectors of controllers with two standard Fibre Channelhost expansion channels
Heartbeat
LED
Diagnostic
LED
Cache
active
LED
Service
action
required
LED
Service
action
allowed
LED
Hostchannel
speed- L1 LED
Drivechannel
port bypassLED
Drivechannel
speedLED
Ethernetlink
activityLED
Ethernetlink
speedLED
Hostchannel
speed- L2 LED
Figure70. LEDs, controls, and connectors of controllers with two standard and two optionalFibre Channel host expansion channels
Chapter4. Operating the storage subsystem 105