Removing the power cable: 2145 UPS-1U

You can remove the power cable from the 2145 UPS-1U if you are having problems with the power supply and suspect that the power cable is defective.

1. Remove the power from each SAN Volume Controller node. See MAP 5350: Powering off a node for information about removing the power cable from the SAN Volume Controller .
2. Press and hold the on/off button ( 2 ) until the power light ( 1 ) is extinguished (approximately 5 seconds). On some versions of the 2145 UPS-1U , you need a pointed device, such as a screwdriver, to press the on/off button. The 2145 UPS-1U enters standby mode, with all indicators off. Figure 1 illustrates the front and rear views of the 2145 UPS-1U .
   Figure 1. Front and back panels for the 2145 UPS-1U

   
   •  1  Power on indicator
   •  2  On/off button
   •  3  Power cable
3. Disconnect the power cable ( 3 ) from the main power source.
4. Replace the power cable and make sure it is seated. The 2145 UPS-1U enters standby mode. All indicators are off and power is not available to the SAN Volume Controller . The battery recharges when necessary.
5. To turn on the 2145 UPS-1U , press and hold the on/off button ( 2 ) until the 2145 UPS-1U power button ( 1 ) is illuminated (approximately 5 seconds).

   On some versions of the 2145 UPS-1U , you need a pointed device, such as a screwdriver, to press the on/off button. The front panel indicators then cycle through a startup sequence while the 2145 UPS-1U conducts a self-test. When the self-test completes, the power-on indicator and the load indicators illuminate to show that the 2145 UPS-1U is supplying power. The 2145 UPS-1U resumes service in normal mode.