Transmitter Accessories; Customized Rack Integration; Ac Distribution & Signal Monitor Chassis; Directional Coupler Or Wattmeter - Harris ZX2500 Technical Manual

Section 1 Introduction
1.9

Transmitter Accessories

The exciter and one or more ZX amplifier chassis form the basic ZX transmitter. In
addition to these devices, various add-on options are available and may be present in a
ZX transmitter system. Inasmuch as these accessories do not significantly change the
functioning of the core transmitter itself, it is understood that this manual addresses
customized transmitter configurations that may contain one or more of these options.
In the case of a relatively high level of customization, this manual may also be
accompanied by a supplemental "customer-special" manual. In the case where
conflicting information is presented in the two manuals, the information given by the
customer-special manual supersedes any information contained in this manual.
1.9.1

Customized Rack Integration

ZX transmitters up to the 5000W power level are often purchased as stand-alone units
and mounted in an equipment rack provided by the customer. Alternatively, Harris
sometimes provides a complete rack integration package, especially for customers
requiring ducted output and/or input air. Transmitters at the 7.5kW level and above are
furnished with racks as part of an integrated system.
1.9.2 AC Distribution & Signal Monitor Chassis
A customized AC distribution chassis is sometimes supplied to provide in-rack AC
mains distribution with front panel circuit breaker switching. This chassis may also
feature a set of front-panel SMA connectors for signal monitoring and/or an emergency
off button. One or more AC distribution chassis (as required) are provided as standard
equipment for transmitters at the 7.5kW level and above.
1.9.3

Directional Coupler or Wattmeter

Each amplifier chassis features a precision on-board directional coupler, which may be
used to calibrate power meters with an average power meter. Alternately, a through-line
wattmeter capable of measuring the output power directly may be supplied as an option.
Optional external couplers may also be provided to provide additional sample ports for
test and monitoring equipment.
1-18
WARNING: Disconnect primary power prior to servicing.
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ZX Series
12/20/11