Cisco 4948-10GE Installation Guide - Page 56
AC Power Supply, Step 3
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Connecting AC Power to the Switch Figure 3-5 AC Power Supply On/off switch Chapter 3 Installing the Switch AC power plug Handle 120696 Status LEDs Step 3 Step 4 Step 5 Connect the other end of the power cords to an AC-power input source. If both power supplies will be used, make sure they are on different circuits. Turn the power switches to the ON position. Verify power supply operation by looking at the front panel power supply LEDs: • The PS1 or PS2 LED is green when the power supply and fans are functioning normally. • The PS1 or PS2 LED is red when the power supply is not functioning normally. The on/off switch may be set to off while the power supply is plugged in, or the power supply may be defective and not providing DC power to the switch. There may also be a fan failure. • The PS1 or PS2 LED is off when there is no power supply installed. 3-10 Catalyst 4900 Series Switch Installation Guide 78-18039-02
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