Product data
2104 Enclosure Services ....................30
Service Inspection Guide ....................31
Inspection Checklist .....................31
Checking the Grounding of the 2104 ................32
Grounding Check (2104 Model DU3) ...............32
Grounding Check (2104 Model TU3) ...............35
Chapter 2. Problem Determination Procedures ............37
Disk Drive Module Power-On Self-Tests (POSTs) ............37
SCSI Interface Card Power-On Self-Tests (POSTs) ............38
Service Request Numbers (SRNs) .................38
The SRN Table.......................38
Using the SRN Table .....................39
FRU Names Used in the SRN Table................39
The SRNs ........................40
Maintenance Analysis Procedures (MAPs)...............43
How to Use these MAPs ....................43
MAP 2010: 2104 – START....................44
MAP 2020: 2104 – Power ....................49
MAP 2022: 2104 – Power-On ...................52
MAP 2030: 2104 – Power Control .................57
MAP 2340: 2104 – SCSI Bus ...................59
MAP 2410: 2104 – Repair Verification ................65
Chapter 3. Removal and Replacement Procedures ...........67
Concurrent Maintenance ....................67
Cover ...........................68
All Power..........................71
Power (2104 Model DU3) ...................71
Power (2104 Model TU3) ...................73
Disk Drive Modules and Dummy Disk Drive Modules ...........75
Removing a Module .....................75
Installing a Module .....................80
SCSI Bus Bridge Card Assembly ..................85
Removing the SCSI Bus Bridge Card Assembly ............85
Installing the SCSI Bus Bridge Card Assembly ............87
Fan-and-Power-Supply Assemblies .................89
Fan Assembly ........................94
SCSI Interface Card Assembly ..................97
Switch Card Assembly .....................102
Frame Assembly .......................106
2104 Model DU3......................107
2104 Model TU3 ......................112
Removing a 2104 Model DU3 from a Rack ..............115
Support Rails ........................120
Chapter 4. Parts Catalog....................123
Conventions ........................123
Assembly 1: 2104 Model DU3 ..................124
Assembly 2: 2104 Model TU3 ..................126
iv 2104 Service Guide