Power On Sequence; Initial Check, High Voltage Off - CPI T04CO Installation & Operation Manual

Mpa hub mount
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• If the system includes a Remote Control Unit, the optional RCU
• The optional Remote Control Unit is connected to a single-phase
• There is at least 2 inches of clearance at the front and rear of the
3.6 Power-On Sequence
Initial power on should not be attempted until all pre-power
procedures (Section 3.5) have been successfully completed.
3.6.1

Initial Check, High Voltage OFF

Each time the MPA Hub Mount power is switched on, the
microprocessor controller performs a series of self-tests to ensure
that it has the ability to control and monitor the MPA Hub Mount.
Once the initial tests (POST) are successfully completed, the
amplifier initiates a heater time delay cycle of about three minutes
to allow the TWT (traveling wave tube) heater to warm up.
Proceed as follows:
a.
b.
c.
Doc. 01031254 Rev. 1
Remote Control Unit is connected to serial interface port (J6).
100 - 240 +/- 10% VAC 47-63 Hz prime power source.
amplifier. (The fan and exhaust areas are not blocked.)
Temporarily disconnect the remote/CIF connector at J6 (if
used).
Turn on the prime power distribution system so that AC
power is applied at J1.
Verify that the following sequence occurs after AC power is
applied:
PWR ON LED lights.
The cooling fan comes on.
All front panel LEDs light momentarily
After three minutes, the STBY LED lights.
M P A H U B M O U N T
3-11

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