User Manual

Chapter 4 ● Installing the cabinet, power, and ground
70 Release 2.0, 910056 Rev01d
3. Ensure the power supply at the power terminal is as the correct voltage level.
a. Connect a volt meter to the power terminal by connecting the positive volt meter lead to the
positive cabinet power terminal and the negative lead to the negative terminal.
b. The volt meter should show voltage at 27 V DC nominal.
c. Disconnect the volt meter.
4. Locate the Power Distribution Unit (PDU).
5. Ensure all power switches on the PDU panel are set to
OFF (flipped to the right).
6. Close the external circuit breaker to apply power to the IP-RN 8000.
7. Flip the Main Power switch on the PDU to the left to enable main power.
The PDU’s Main Power Status
LED lights green indicating power flow. If the LED does not light green,
open the external circuit breaker to disable power application to the cabinet and contact Airvana.
For information about the PDU, see Understanding the Power Distribution Unit
on page 27.
NOTE
This circuit breaker is external equipment that is not provided by
Airvana.
Main Power
Chassis power (CHAS)
Heat exchanger (HXCH)
Alarms (ALRM)
USR1
Heater (HEAT)
Fans (FANS)
USR2