Tait TB8100 Service Manual

222 Power Management Unit Fault Finding TB8100 Service Manual
© Tait Electronics Limited September 2006
13.6 Initial Checks
You can use the TB8100 Service Kit to check the basic operation of the
PMU without removing the covers.
■ To check whether the PMU powers up correctly, produces the correct
output power, or generates any alarms, carry out Task 1
to Task 4.
■ To carry out additional checks using the Service Kit, go to Task 5.
Note If you are testing an AC and DC PMU, carry out these checks for
both supplies.
In this section voltages are given first for a 12V PMU, followed by voltages
in brackets for a 24V PMU ( ) and a 48V PMU [ ].
Figure 13.2 Recommended test equipment set-up for initial and DC checks
PMU PA
PC
Reciter
Control
Panel
DCDC
RS-232
system control bus
connected within subrack
Subrack
Interconnect
Board
DC AC

Tait TB8100 Specifications

General

Brand	Tait
Model	TB8100
Category	Accessories
Language	English