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1780R-Series Service Manual
Rack Mounting The 1780R-Series
The 1780R-Series rack-mounting cabinet is designed for permanent mounting.
The instrument slides in and out of the cabinet with relative ease. The instrument
is secured in the cabinet with four 6–32 TORXR drive screws. See Figure 2–8.
Figure 2–8: Location of the four screws that secure the instrument to rack
mounting cabinet or portable case
WARNING. Do not attempt to carry a cabinetized instrument without installing
the rear-panel mounting screws. There is nothing to hold the instrument in the
cabinet if it is tipped forward.
The 1780R-Series is a three rack-unit (5.25 inch) high, 19 inch wide unit. It
requires no vertical rack space above or below the unit. A front clearance, for
removal from the rack, of at least 18 inches is required. BNC connectors, on the
rear panel, extend approximately 0.6 inches, making it necessary to have 1 inch
or more of rear clearance to have enough room to cable the instrument. See
Figure 2–9 for rack mounting dimensions.
NOTE. For ease of installation, place the nut bars to the outside of the adjustable
brackets and drive the screws from the center into the nut bars.
Rack Installation