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Section 2 — Installation
Redundant Power Supply Voltage Adjustments
If you ordered a redundant Frame Power Supply with the Model 2200, it
was tested and adjusted with the system before leaving the factory. In this
case, it is not necessary to perform the following procedure.
If a redundant Frame Power Supply is ordered after the Model 2200, the
following procedure should be performed to ensure that the Primary and
Redundant supplies are working properly together.
NOTE:
This procedure describes the adjustment of output voltages in power
supplies using power units manufactured by Todd Products Corporation (the
present supplier). For information on older power supplies manufactured by
Pioneer Magnetics, refer to the Maintenance section of this manual.
WARNING
Dangerous voltages are present inside the Signal Processor Frame Power
Supply. Do not perform any servicing of this equipment unless you are
qualified to do so. Remove all rings, wrist watches, etc., before working
inside the equipment.
1. Remove the rear access panels of both power supplies if they have not
already been removed.
2. With power to the Redundant Frame Power Supply turned off, turn on
the power switch on the front of the Primary Frame Power Supply.
3. Record the following measurements on paper. Measure the Multi-
Output supply voltages (–5.2, +13, –13, and +48 Vdc, referenced to the
COM test point) at the test points inside the left rear compartment of
the power supply frame. See Table 2-39. Measure the +5 Vdc supply
voltage between the power lugs in the right rear compartment.