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Install the 1145B1 Power Supply
Issue 1 September 1995
9-31
Power Up and Test
Powering up and testing should be performed only after all the hardware is
properly mounted. The following table describes the meaning of the Power
Supply light emitting diodes when lit.
1. Connect the AC power cord to Power Supply and route the cord to an
appropriate AC outlet using the clips provided on the unit.
NOTE:
A maximum of four Power Supplies can be powered from one
dedicated 110VAC, 20A feeder. Use only unswitched receptacles.
2. Plug the cord into the outlet. This powers up the Power Supply (no
ON/OFF switch).
3. Check AC operation of the 1145B1 Power Supply by monitoring the light
emitting diodes (LED):
PASS: Green and yellow light emitting diodes (LED) at front of the unit
should be lit together. Green means the Power Supply is providing power.
Yellow means the battery is being charged. After the battery reaches full
charge (maximum of twenty hours), the yellow light emitting diode (LED)
should go out.
FAIL: If either green or yellow light emitting diode (LED) is not lit after
powering up, check the connections. Test the AC outlet. If power is
available to the Power Unit and the AC power cord and connections are
good, replace the power unit.
4. Disconnect the AC plug on the Power Supply, this activates the DC
supply.
5. Check DC (battery back-up) operation of the 1145B1 Power Supply by
monitoring the light emitting diodes (LED):
PASS: The red and green light emitting diodes (LED) should be lit
together. Red means the Power Supply is on battery back-up.
FAIL: If either green or red light emitting diode (LED) is not lit after
disconnecting AC power, check the connections. If the connections are
good, replace the power unit or batteries.
6. Reconnect AC power to the Power Supply. The green and yellow light
emitting diodes (LED) should light as described before.
Light Emitting
Diode Colour Meaning
Green Power Supply is providing power
Yellow Battery is charging
Red Power Supply is on battery reserve