HP Cluster Platform Interconnects v2010 Gigabit Ethernet Interconnect Guide - Page 41

Installation Steps

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mark of the safety agency that defines the regulations for power cords in your country. The mark is your assurance that the power cord can be used safely with the power supply. Ensure that the power supply does not overload the power circuits, wiring, and over-current protection. To determine the possibility of overloading the supply circuits, add together the ampere ratings of all devices installed on the same circuit as the switch with this power supply and compare the total with the rating limit for the circuit. The maximum ampere ratings are usually printed on the devices near their AC power connectors. Do not install the power supply into a switch that is in an environment where the operating ambient temperature might exceed 55°C (131°F). Make sure the air flow around the sides and back of the switch is not restricted. Make sure that for any switch power supply slot into which a power supply is not installed the cover plate is installed to cover the slot. A cover plate is required for safe operation, and to ensure proper switch cooling. 5.5.2 Installation Steps Follow these steps to install the power supply into the back of the switch: 1. Make sure that AC power is not connected to the power supply being installed before installing the it into the switch. The switch can be receiving power from the other power supply during the installation of the second unit. 2. Remove the four screws from the power supply slot cover with either a flat-bladed or Torx T-10 screwdriver, as shown in Figure 5-4. Retain the slot cover for future use. Figure 5-4 Power supply slot cover 1 Item Description 1 Redundant power supply slot cover and screw locations 5.5 Installing a Second Power Supply 41

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mark of the safety agency that defines the regulations for power cords in your country. The mark
is your assurance that the power cord can be used safely with the power supply.
Ensure that the power supply does not overload the power circuits, wiring, and over-current
protection. To determine the possibility of overloading the supply circuits, add together the
ampere ratings of all devices installed on the same circuit as the switch with this power supply
and compare the total with the rating limit for the circuit. The maximum ampere ratings are
usually printed on the devices near their AC power connectors.
Do not install the power supply into a switch that is in an environment where the operating
ambient temperature might exceed 55°C (131°F).
Make sure the air flow around the sides and back of the switch is not restricted. Make sure that
for any switch power supply slot into which a power supply is not installed the cover plate is
installed to cover the slot. A cover plate is required for safe operation, and to ensure proper
switch cooling.
5.5.2 Installation Steps
Follow these steps to install the power supply into the back of the switch:
1.
Make sure that AC power is not connected to the power supply being installed before
installing the it into the switch. The switch can be receiving power from the other power
supply during the installation of the second unit.
2.
Remove the four screws from the power supply slot cover with either a flat-bladed or Torx
T-10 screwdriver, as shown in
Figure 5-4
. Retain the slot cover for future use.
Figure 5-4 Power supply slot cover
1
Description
Item
Redundant power supply slot cover and screw locations
1
5.5 Installing a Second Power Supply
41