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17 Powering On the System(DC-powered
device + ETP4860 power system)
• The cabinet must be powered on within seven days after installation.
During the power-on, before and after turning on each of the MCBs for the first time, you need to use a
•
multimeter to check the input and output voltages and ensure that the voltages are normal (AC ranges: 200
VAC to 240 VAC; DC range: -42 VDC to -58 VDC).
• After installing the cabinet and powering on the device, ensure that the battery switch is in the ON state. If the
device needs to be powered off, you must first turn off the battery switch and then turn off the AC switch.
Use the multimeter to test the input voltage for the
device.
Turn on the switches of the AC PDU.
Turn on the switches of the ETP4860 power system.
Check whether the status of the power, fan,
monitoring, and board indicators on the DC main
device is normal. The following figure shows the
position and status of the running indicator.
Indicators on the MA5818 fan tray
53
Green: On for 1s and
off for 1s repeatedly
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