HP Surestore Disk Array 12h and FC60 - Manual (Page 152)

152 Power Distribution Units (PDU/PDRU)
Installing PDUs
Choose PDU/PDRU locations with the following guidelines in mind:
• Place PDU/PDRUs within the reach of power cords.
• Place PDUs vertically whenever possible. See sample installations in Figure 52 and
Figure 53 . Installing PDUs horizontally can interfere with accessibility to units behind
the PDU. (PDRUs must be installed vertically, as per the installation instructions.)
• Place vertical PDU/PDRUs on each side of the cabinet so that the two power cords from
the enclosure’s redundant power supplies do not have to cross over replaceable
components in the middle of the product.
• Thirty-amp PDRUs must be installed directly behind the disk enclosure to achieve the
highest densities in 2-meter racks. Hinged brackets allow HP’s 30-amp PDRUs (HP
E7681A and E7682A) to swing aside for servicing the disk enclosures (see
Figure 53 ).
Refer to the documentation supplied with the PDU/PDRU for installation instructions.
Recommended UPS Models
The following Hewlett-Packard Power Trust models are recommended for use with the HP
SureStore E Disk Array FC60. Each UPS supplies up to 15 minutes of standby power.
Table 20 Recommended UPSs
Disk Array Configuration
UPS Product
Number
Output Power Package
Controller enclosure and up
to two disk enclosures A2998B 3.0 kVA (3.0 kW) Rackmount
Controller enclosure and up
to four disk enclosures A3589B 5.5 kVA (5.5 kW) Rackmount
Controller enclosure and up
to six disk enclosures A1350A 8.0 kVA (8.0 kW) Standalone