Fujitsu M10-4 Service Manual page 321

The backplane of the SPARC M10-4/M10-4S is shown below.
PSU backplane (A in the figure)
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Figure B-1 Location of backplane of SPARC M10-4/M10-4S
The PSU backplane is installed on the PSU backplane unit. The PSU backplane alone
cannot be replaced. Replace it together with the PSU backplane unit.
Table B-7 lists the specifications of the PSU backplane unit.
Table B-7 Specifications of PSU backplane unit (SPARC M10-4/M10-4S)
Item
Number of PSU
backplane units
Location
Type of maintenance
Maintenance category
Description
1
Inside of chassis
Active/cold, inactive/cold, and system-stopped/cold
Replacement
Appendix B Component Specifications
A
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