Tektronix 7844, Инструкция по эксплуатации

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Section 3-7844/R7844 Operators
RACKMOUNTING INSTRUCTIONS
INTRODUCTION
The R 7 844 is designed to be installed in a standard 1 9-inch
rack with Universal hole spacing. ( I f a rack with other than
Universal hole spacing is used, additional mounting holes may
need to be drilled . 1
WARN ING
During rackmount installation, interchanging the
left and right slide-out track assemblies defeats
the extension stop (safety latch) feature of the
tracks. Equipment could, when extended, come
out of the slides and fall from the rack, possiblV
causing personal injury and equipment damage.
When mounting the supplies slide-out tracks,
inspect both assemblies to fin d the L H (left
hand) and RH (right hand) designations to
determine correct placement. Install the L H
assembly to your left side as you face the
front of the rack and install the R H assemblv
to your right side. Refer to the rackmounting
instructions in this manual for complete
information.
INSTRUM ENT D I M ENSI ONS
A drawing showing the major dimensions of the R 7 844 is
shown in Fig. 3-6.
STATIONA R Y S E CTION
IMOUNTEO TO RACKI
12 EACHI
RACK D I M ENSIONS
Height
At l east 7 inches of vertical space are required to mount this
instrument in a rack. This gives enough clearance for adjacent
instruments and panels. (Additional height may be required
if an oscill oscope camera is to be used with this i nstrument . )
Width
Minimum space between the front rails of the rack is 1 7.625
inches. This space allows the slide-out tracks to operate
freely, permitting the R7844 to move in and out of the rack.
Depth
Total depth required to mount this instrument in an enclosed
cabinet rack is approximately 24 inches. This allows enough
space for air circulation, signal connections, and the power
cord.
The rear mounting brackets allow this instrument to be
mounted in racks with 1 4.625 to 28.5 inches bf:tween the
front and rear rails. The R7844 must be properly supported
at the rear. Improper support may result in instrument
I N T E RMEDIATE SECTION
(SLIDES BETWEEN STATIONARY
SECTION ANO CHASSIS SECTION)
(2
FLAT BAR
NUT
(6 EACHI
•
/ \
CHASSIS SECTION
{MOUNTED TO !NSTRUMENT}
12 EACHI
R EA R MOUNTING B R AC K E T
1 2 EACHI
1 0/32 PHS
SCREW
1 1 2 EACHI
10/32 FHS
SCREW
14 EACH)
1675·1
Fig. 3·1. Slide·out track assembly.
REV NOV 1981
3-1