Chapter 7 Installation
Chapter 7 Contents
118 Operating and Programming Manual
Chapter 7 Contents
This chapter provides information to inspect, install, commission, and
maintain the 5071A Primary Frequency Standard. Installation
information is also provided for external-DC operation and rack
mounting.
The chapter is organized as follows:
• Initial Inspection page 119
• Preparation for Use page 120
– Power Requirements page 120
– Selecting Line Voltage and Fuse page 121
– AC Power Cabling page 122
– Operating Environment page 123
– Bench Operation page 123
– Installing Options 908 and 913 page 123
• Returning the 5071A to Symmetricom page 124
• Operator‘s Maintenance page 126
• Operating the 5071A From External-DC Power page 126
– Preparing the 5071A For External-DC Operation page 127
– Replacing the External DC Input Power Fuse page 128
• Internal Standby Battery Maintenance page 129
– Battery Shelf Life and Storage page 129
– Battery Operating Temperatures page 129
– Battery Charging page 130
– Battery Disposal page 131
– Using the Battery Disconnect Switch page 131
– Removing and Replacing the Internal Battery page 132
• Cesium Beam Tube Replacement page 133
• Long-Term Storage page 133
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