HP 50 StorageWorks Modular Smart Array 50 Storage Enclosure Maintenance and Se - Page 3

3 Contents Illustrated parts catalog 5 Customer self repair ...5 System components...6 Removal and replacement procedures 7 Safety considerations ...7 Preventing electrostatic discharge 7 Rack warnings ...8 Power down the storage enclosure...8 Access panel...9 Hard drive blank ...10 Hot-plug SAS or SATA hard drive ...10 Hot-plug power supply...12 Hot-plug fan ...13 I/O module ...14 Midplane and backplane ...15 Fan board ...17 Rear panel LED board...18 Power button/LED board ...19 Diagnostic tools 21 Integrated Management Log ...21 Array Diagnostic Utility...21 Component identification 23 Front panel LEDs and buttons...23 Rear panel components ...24 Rear panel LEDs and buttons...25 SAS and SATA drive numbers ...26 SAS and SATA hard drive LEDs...27 SAS and SATA hard drive LED combinations 27 T-15 Torx screwdriver ...29 Specifications 31 Environmental specifications ...31 Storage enclosure specifications ...31