15247-201 Rev. B
– April 2009
6502B RF Distribution User Guide
5
Introduction
Overview
This manual contains procedures and descriptive information for proper installation
and operation of the Symmetricom 6502B RF Distribution Module.
The 6502B RF Distribution Module takes a single output signal of a frequency
source, like a cesium frequency standard, and provides additional buffered outputs,
ten per module. this manual contains the information needed to install, configure,
and use the 6502B.
Purpose of Equipment
The Symmetricom 6502B RF Distribution Module uses Symmetricom’s high
performance distribution technology created for it’s line of cesium standards. The
1U (1.75" high) chassis houses a set of very low noise and high isolation RF
amplifiers. Up to ten Symmetricom 6502B RF Distribution Modules may be daisy
chained to provide up to 100 independently buffered outputs of the common input.
The level of the input signal and all ten output signals are monitored, providing a
visual indicator of signal presence as well as a summary fault (form-C relay) for
each module.
A complete list of performance characteristics is provided in Chapter Four.
Instrument Identification
The model number 6502B may be followed by a slash (/) and a three-digit number
to indicate an option that is supplied within the instrument.
Preparation for Shipment
To turn off the Symmetricom 6502B prior to shipment, remove the AC power from
the plug on the rear panel. Package the instrument in its original packing if possible.
If the original packing materials are not available, pack in a reinforced cardboard
carton using foam to take up any space inside the carton. Do not use foam popcorn
or crushed paper for packing.
If the instrument is being returned to Symmetricom, contact the Service Department
at (978) 927-8220 to advise of the product return.
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