10–4 Replacing a Host I/O Board or Host I/O Module
Hitachi Unified Storage Hardware Service Guide
Figure 10-1: Replacing a Host I/O Board
on a CBXSS/CBXSL/CBSS/CBSL
Figure 10-2: Controller LEDs on a CBXSS/CBXSL/CBSS/CBSL
with a Fibre Channel Host I/O Board installed
Controller #1
ALM LED
RST SW
UPS
Main SW
RST SW
UPS
Main SW
STATUS LED
STATUS LED
ALM LED