TableB-4 Specificationsof XS CF unit (crossbar box) (continue d)
Item Description
Maintenancecategory Replacement
TableB-5 Specificationsof t he power supply unit (SPARC M10-4/M10-4S)
Item Description
Numberof po wer supply
units
2
Location Frontof chassis
Typeof m aintenance Active/hot,active/ cold, inactive/hot, inactive/cold, and system
stopped
Maintenancecategory Replacement
TableB-6 Specificationsof po wer supply unit (crossbar box)
Item Description
Numberof po wer supply
units
2
Location Rear of chassis
Typeof m aintenance Active/hot,inactive/h ot, and system stopped
Maintenancecategory Replacement
Forthe maintenance procedure, see "Chapter 17 Maintaining the XSCF Unit of the
Crossbar Box."
B.4 Power Supply Unit
Thepower supply units of the SPARC M10-4/M10-4S and the crossbar box take
powerfrom the input power and supply it to the system. The redundant configuration
ofthe power supply units allows the system to co ntinue operating even if one of the
unitsfails during operation.
TableB-5 and Table B-6 list the specifications of the power supply units of the
SPARCM10-4/M10-4S and the crossbar box, respectively.
Seethe follo wing chapters for details of the maintenance procedures:
SPARCM10-4/M10-4S: Chapter 10 Maintaining the Power Supply Units
Crossbar box: Chapter 18 Maintainingthe Power Supply Units of the Crossbar Box
FujitsuM10-4/Fujitsu M10-4S/SPARC M10-4/SPARC M10-4S Service Manual ･December 2013470