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Installation Procedure for the Upgrade
The network analyzer must be in proper working condition prior to installing this option. Any necessary repairs
must be made before proceeding with this installation.
This installation requires the removal of the analyzer's protective outer covers. The analyzer
WARNING
must be powered down and disconnected from the mains supply before performing this
procedure.
Electrostatic Discharge Protection
Protection against electrostatic discharge (ESD) is essential while removing or connecting cables or assemblies
within the network analyzer.
Static electricity can build up on your body and can easily damage sensitive internal circuit elements when
discharged. Static discharges too small to be felt can cause permanent damage. To prevent damage to the
instrument:
• always have a grounded, conductive table mat in front of your test equipment.
• always wear a grounded wrist strap, connected to a grounded conductive table mat, having a 1 MΩ resistor
in series with it, when handling components and assemblies or when making connections.
• always wear a heel strap when working in an area with a conductive floor. If you are uncertain about the
conductivity of your floor, wear a heel strap.
• always ground yourself before you clean, inspect, or make a connection to a static-sensitive device or test
port. You can, for example, grasp the grounded outer shell of the test port or cable connector briefly.
Figure 1
shows a typical ESD protection setup using a grounded mat and wrist strap. Refer to
Equipment Required for the Installation" on page 7
Figure 1
ESD Protection Setup
6
for part numbers.
"Tools and
Installation Note N5242-90005
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