HP Cluster Platform Interconnects v2010 Gigabit Ethernet Interconnect Guide - Page 40
Replacing or Removing a Switch Module, 5.5 Installing a Second Power Supply
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5. Repeat as necessary. 6. If the switch is not already installed in the rack, connect the switch to a power source. Check the Self Test LED to verify that the switch and module passes self test. (See Section 5.1.3.) If you hot swap a module into the switch, the Self Test LED comes on briefly and the module is automatically self tested. If the module is installed when the switch already has power, the Module Status LED goes on as soon as the module is installed and stays on steadily. Note: The switch self test and initialization begin after you power cycle or reset the switch. The switch is not operational until the Self Test LED goes off. 5.4 Replacing or Removing a Switch Module Follow these procedures to replace one module with another, or to remove a module without replacing it: 1. Remove any network cables from the ports on the module. 2. On the module you want to remove from the switch, unscrew the retaining screws enough to disconnect them from the threaded holes in the switch. 3. Grab the screws and pull the module out from the slot. It may help to brace your hands against the face of the switch and lever the module out from the switch slot. 4. Do one of the following: • If you will be installing another module in the slot, see Section 5.3. • If you will not be installing another module in the slot, reinstall a slot cover plate over the empty slot opening. Note: For proper cooling and reduction of electromagnetic emissions, ensure a slot cover is installed on any unused slot. 5.5 Installing a Second Power Supply You can add an optional HP Procurve Switch xl Redundant Power Supply to the ProCurve 5308xl to provide additional reliability. The redundant power supply is identical to the power unit that is preinstalled in the HP ProCurve 5308xl, and has the following features: • Power redundancy - If either one of the power supplies should fail, the remaining supply provides the power to continue running a fully loaded switch. • Power load sharing - With two supplies installed, each shares the power load, which increases the life of both of the power supplies. • Hot swap operation - You can add or replace one of the power supplies without having to shut down or reboot the switch. • Automatic fault detection - If the power supply encounters a problem, the switch can immediately detect the condition and report it via the Power Status and Fault LEDs. Event messages will also be displayed in the switch console event log and the web browser interface Alert log. 5.5.1 Installation Precautions Make sure that the power source circuits are properly grounded, then use the power cord supplied with the power supply to connect it to the power source. If your installation requires a different power cord from the one supplied with the power supply, be sure the cord is adequately sized for the switch's current requirements. In addition, be sure to use a power cord displaying the 40 HP ProCurve 5308xl