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2-4
Output Connections
GUARD banana jack
The GUARD available at the banana jack is different from CABLE GUARD that
can be accessed at the triax cable. See "Guards" on page 2-8 for more informa-
tion.
INTERLOCK
The Model 622x is equipped with an INTERLOCK that is to be connected to an
interlock switch (see
of the Model 622x is disabled and cannot be turned on. If the OUTPUT is already
on, opening the interlock switch will turn the OUTPUT off. When the interlock
switch is closed, the OUTPUT is enabled and can be turned on.
Figure 2-3
screw-terminal block. Pull the terminal block off the rear panel to connect the inter-
lock switch.
The interlock switch is mounted on a test fixture such that the switch will open
(disable the OUTPUT) when the test fixture lid is opened. The switch will close
(enable the OUTPUT) when the test fixture lid is closed. See
page 2-12 for details on using INTERLOCK with a test fixture.
Figure 2-3
INTERLOCK
WARNING
Figure
2-3). When the interlock switch is open, the OUTPUT
shows the connector for INTERLOCK. It is a quick-disconnect
NOTE
An open INTERLOCK only disables the output from the Model
622x. If an external source is being used in the test circuit, its
voltage will be present in the test circuit. A hazardous voltage
from an external source could be connected directly to the
OUTPUT connector of the Model 622x.
As a general rule of safety, always turn off all external sources
before making or breaking connections to the test circuit.
Return to
Section 2 topics
Model 6220/6221 User's Manual
"Using a test
W
fixture"
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