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DUST COVER
The design of an enclosure should incorporate a means
to prevent contamination from loose items (e. g., dust,
lint, and paper chad) since the drive does not have a
dust cover.
FREE AIR FLOW
When the drive is mounted so the components have
access to a free flow of air,. normal convection cool-
ing allows operation over the specified temperature
range (see Table 2-3).
CONFINED ENVIRONMENT
When the drive is mounted in a confined environment,
0.400
(10.2
#
t '
±
0.010 IN.
±
0.25 MM)
+
"""
i\
lr
0.36
±
0.004 IN.
(0.91
±
0.1 MM)
2
4
,-.
-
,-.
t
0.45 IN. (11.4 MM)
-
If
~
I--
0.050 IN.
(1.27 MM)
-
sufficient air flow must be provided to maintain
specified air temperatures in the vicinity of the motor
and the circuit board.
3.5
INTERFACE CONNECTORS
The electrical interface between the drive and the host
system is via three connectors.
J
1 provides control
signals for the drive (see Figure 3-3). J2 provides for
the radial connection of read/write data signals (see
Figure 3-4). J3 provides for D. C. power (see Figure
3-5). Figure 3-6 shows the locations of these
connectors.
Table 3-1 contains interface lines. The interface
description of the connectors, and the location of each,
is contained in this section.
-
- - -
/'
1 [
0.063IN.
(1.6 MM)
34
I
~
I
~
I
I~
/1
I
0.050 IN. (1.27 MM)
0.100 IN. (2.54 MM)
-
1.775
±
0.010 IN.
. 1
-
45.1
+
0.25 MM
FIGURE 3-3
J1 EDGE CONNECTOR DIMENSIONS
3-5
BOARD THICKNESS
0.062
±
0.007 IN.
(1.59 MM
±
0.18 MM)
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