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Power Cable and Grounding Requirements
On the GPIB connector, pin 12 and pins 18 through 24 are tied to chassis
ground and the GPIB cable shield. The instrument frame, chassis, covers,
and all exposed metal surfaces including the connectors’ outer shell are
connected to chassis ground. However, if channel 2 in the IF section is
not installed, the channel 2 BNC connector’s outer shell is not connected
to chassis ground.
Warning DO NOT interrupt the protective earth ground or ‘’float’’ the analyzer.
This action could expose the operator to potentially hazardous
voltages.
The analyzer is equipped with two three-conductor power cords which
ground the analyzer when plugged into appropriate receptacles. The
type of power cable plug shipped with each analyzer depends on the
country of destination. The following figure shows available power cables
and plug configurations.
Preparing the Analyzer for Use
7-3