HP LH4r HP Netserver LPr Rack Cabling Guide - Page 53

Component, Receptacles Required

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Chapter 3 Cabling Reference Information Table 3-3. Receptacles Needed for Different Units Component Receptacles Required HP NetServer LPr one C13, NEMA 5-15R HP NetServer LH 3r one or two C13 HP NetServer Pro8 one C19 HP Rack Storage/8 All other devices two C13 or use Y-Cable* one C13 * Two Y-Cables may be used to connect two HP Rack Storage/8 units to two C13 receptacles. 3. The total power drawn by all components in the rack is accumulated by rack configuration tools, and a second UPS is recommended if wattage of the first is exceeded. 4. The nominal current draw of all components is accumulated, and a second or larger UPS is recommended if wattage of the first is exceeded. 5. The first configuration in the list in Table 3-2 that meets receptacle count, current requirements, and power requirements is recommended by rack configuration tools and supplied, unless the purchaser has over-ridden this choice. 6. (a) When several HP Rack Storage/8 units are in the same rack, use of two wide-ranging 16-amp and one wide-ranging 10-amp PDU (the maximum possible) may not provide sufficient receptacles. In this case, use the Y-cable to connect HP Rack Storage/8 units to the PDUs. (b) When required, a pair of Y-cables are supplied per pair of Rack Storage/8 units. That is, two Y-cables are supplied for two units. (c) Each Y cable connects either the two right power receptacles or the two left power receptacles of a pair of HP Rack Storage/8 units to one receptacle on the PDU. 7. Power cords of 4.5 meters (170 inches) length are available. When plugging devices into a PDU, it is important to make sure that the current capacity of the PDU is not exceeded. Table 3-4 shows the current requirements of the common rack mounted devices. 49

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Chapter 3
Cabling Reference Information
49
Table 3-3. Receptacles Needed for Different Units
Component
Receptacles Required
HP NetServer LPr
one C13, NEMA 5-15R
HP NetServer LH 3r
one or two C13
HP NetServer Pro8
one C19
HP Rack Storage/8
two C13 or use Y-Cable*
All other devices
one C13
*
Two Y-Cables may be used to connect two HP Rack Storage/8 units
to two C13 receptacles.
3.
The total power drawn by all components in the rack is accumulated
by rack configuration tools, and a second UPS is recommended if
wattage of the first is exceeded.
4.
The nominal current draw of all components is accumulated, and a
second or larger UPS is recommended if wattage of the first is
exceeded.
5.
The first configuration in the list in Table 3-2 that meets receptacle
count, current requirements, and power requirements is recommended
by rack configuration tools and supplied, unless the purchaser has
over-ridden this choice.
6.
(a) When several HP Rack Storage/8 units are in the same rack, use of
two wide-ranging 16-amp and one wide-ranging 10-amp PDU (the
maximum possible) may not provide sufficient receptacles. In this
case, use the Y-cable to connect HP Rack Storage/8 units to the PDUs.
(b) When required, a pair of Y-cables are supplied per pair of Rack
Storage/8 units. That is, two Y-cables are supplied for two units.
(c) Each Y cable connects either the two right power receptacles or the
two left power receptacles of a pair of HP Rack Storage/8 units to one
receptacle on the PDU.
7.
Power cords of 4.5 meters (170 inches) length are available.
When plugging devices into a PDU, it is important to make sure that the current
capacity of the PDU is not exceeded. Table 3-4 shows the current requirements of
the common rack mounted devices.