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B.6 Backplanes


B.6 Backplanes
There are the following two types of backplane:
  1. HDDBP (A in Figure B-1)
  2. PSUBP (B in Figure B-1)
The backplane is a unit with connectors for mounting replaceable units in the SPARC M12-1. The PSUBP houses memory that stores identification information and user setting information.
Figure B-1  Locations of the Backplanes
Figure B-1  Locations of the Backplanes
Table B-5 lists the specifications of the HDDBP. Table B-6 lists the specifications of the PSUBP.
Table B-5  HDDBP Specifications
Item Description
Number of HDDBPs 1
Location Inside SPARC M12-1
Active/Hot maintenance Unsupported
System-stopped (inactive)/Hot maintenance Unsupported
System-stopped (inactive)/Cold maintenance Supported
Table B-6  PSUBP Specifications
Item Description
Number of PSUBPs 1
Location Inside SPARC M12-1
Active/Hot maintenance Unsupported
System-stopped (inactive)/Hot maintenance Unsupported
System-stopped (inactive)/Cold maintenance Supported