APC 15000 RAID User Manual

Drive Enclosure

007-5510-002

  99

I

 defines the LED indicators incorporated on the I/O module.

Figure 5–5 I/O Module

Host Port 1       Expansion Port 1         Host Port 2         Expansion Port 2

I/O Module LEDs

Host Port 1

Expansion Port 1

Host Port 2

Expansion Port 2

ON
OFF 

•Incoming  signal is

GOOD

•No connection or

incorrect connection

•Off

Host Port 1

Expansion Port 1

Host Port 2

Expansion Port 2

ON
OFF 

•Fault

•No faults

•Off

I/O Module

OK

ON
OFF

•properly booted and
functioning correctly

internal fault

•Off