HP LH4r HP Netserver LXr 8500 Rack Cabling Guide - Page 22

Power Distribution Units

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Chapter 2 Rack Cabling References Power Distribution Units Two types of Power Distribution Units (PDU) are currently available for the LXr 8500, as follows: ◊ The wide-range 200/240 VAC PDU (HP product number E7671A) fits either horizontally between the columns of the rack or vertically along the outside edge of the vertical column. See Figure 2-2.This PDU is rated 16 amps and has six available C-13 receptacles and two C-19 receptacles. ◊ A wide-range 200/240 VAC, 10-amp extension (HP product number E7670A) can be plugged into the 16-amp unit to extend the number of C-13 receptacles by an additional 10. This accessory also allows positioning of receptacles at various levels in the rack. (To order the 16-amp unit with its 10-amp extension and jumper cable, order HP part number E7672A.) NOTE The extension PDU (E7670A) only increases the number of available receptacles. The total current carrying capacity still is limited to 16 amps for the two PDUs, when daisy chained. In addition, the extension PDU is limited to carrying only 10 amps. Placement of PDU To determine where the PDU mounts, eliminate positions directly behind equipment listed in Table 2-3. (PDUs conflict with these units when mounted in the same space). Then decide the most convenient location. The PDU can be mounted vertically using the non-EIA mounting holes on the outer edges of the vertical columns. Or it can be mounted horizontally between the columns. When monitor and UPS units are present, the PDU can be horizontally mounted across the rack opening, behind one of these units. However, PDUs can also be mounted vertically on the opposite side of the rack from the door hinges. 18

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Chapter 2
Rack Cabling References
18
Power Distribution Units
Two types of Power Distribution Units (PDU) are currently available for the LXr
8500, as follows:
◊
The wide-range 200/240 VAC PDU (HP product number E7671A) fits
either horizontally between the columns of the rack or vertically along
the outside edge of the vertical column. See Figure 2-2.This PDU is
rated 16 amps and has six available C-13 receptacles and two C-19
receptacles.
◊
A wide-range 200/240 VAC, 10-amp extension (HP product number
E7670A) can be plugged into the 16-amp unit to extend the number of
C-13 receptacles by an additional 10. This accessory also allows
positioning of receptacles at various levels in the rack. (To order the
16-amp unit with its 10-amp extension and jumper cable, order HP part
number E7672A.)
NOTE
The extension PDU (E7670A) only increases the number of
available receptacles. The total current carrying capacity still is
limited to 16 amps for the two PDUs, when daisy chained. In
addition, the extension PDU is limited to carrying only 10
amps.
Placement of PDU
To determine where the PDU mounts, eliminate positions directly behind
equipment listed in Table 2-3. (PDUs conflict with these units when mounted in
the same space). Then decide the most convenient location. The PDU can be
mounted vertically using the non-EIA mounting holes on the outer edges of the
vertical columns. Or it can be mounted horizontally between the columns.
When monitor and UPS units are present, the PDU can be horizontally mounted
across the rack opening, behind one of these units. However, PDUs can also be
mounted vertically on the opposite side of the rack from the door hinges.