5
FRU Removal and Replacement Procedures
5.1 In This Chapter
This chapter includes:
•
Field replaceable unit list
•
Before you begin
•
FRU removal and replacement
5.2 Field Replaceable Unit List
A complete list of field replaceable units (FRUs) is given in Table 5–1.
Table 5–1 Model 810 FRUs
FRU
Part Number
Modules:
CPU
54-21075-01
Memory mother board (MMB)
54-21085-01
Single-sided SIMMs (4 Mbytes per SIMM)
54-21139-CA
Double-sided SIMMs (8 Mbytes per SIMM)
54-21139-DA
I/O attachment module (ATM)
54-21083-01
Zone control panel
54-22130-01
Fan current sense board (FCSB)
54-22126-01
Console extender module
54-21067-01
Cross-link assembly
70-03710-01
Fan
12-27848-01
Power:
AC front end unit (FEU)
H7884-AA
5V regulator (DC5)
H7179-AA
3.3V regulator (DC3)
H7178-AA
Power system controller (PSC)
H7851-AA
Domestic power distribution box
BA22J-AE
International power distribution box
BA22J-AJ
(continued on next page)
Error Handling and Analysis 5–1