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I
OPERATION
1. Before installing
the card, make sure the access door on
top of the Model 707 is fully closed and secured. The
access door contains tracks for the card slots and must
be in place to properly
install the card.
2. With one hand grasping
the handle,
and the other
holding
the bottom of the card, line up the card with
the tracks in the desired slot. Make certain that the com-
ponent
side of the card is facing
the fan on the
mainframe.
CAUTION
CAUTION
Do not touch the card surfaces or any com-
Do not touch the card surfaces or any com-
ponents to avoid contamination
that could
ponents to avoid contamination
that could
degrade card performance.
degrade card performance.
3. Slide the card into the mainframe
until it is properly
seated in the edge connectors at the back of the slot.
Once the card is properly
seated, secure it to the main-
frame by finger tightening
the spring-loaded
screws.
WARNING
The mounting screws must be secured to en-
sure a proper chassis ground connection
be-
tween the card and the mainframe. Failure to
properly secure this ground connection
may
-
result in personal injury or death due to elec-
tric shock.
4. To remove a card, first turn off the power and discon-
nect the line cord from the mainframe.
Disconnect
all
external
and internal
cables (internal
cables can be
reached through the access door). Loosen the mounting
screws, then pull the card out of the mainframe by the
handle. When the back edge of the card clears the main-
frame, support it by grasping the bottom edge near the
back edge.
2.5 CONNECTIONS
Card connectors, recommended
cables and adapters, and
typical connections to test instruments
are discussed in the
following
paragraphs.
2.5.1 Card Connectors
The card connectors are shown in Figure 2-2. Each row and
column is equipped
with a 3-lug female triax connector.
As shown in Figure 2-3, the center conductor is SIGNAL,
the inner shield is GUARD, and the outer shield, or shell
is chassis ground. Note that 3-lug connectors are used to
avoid possible damage from inadvertently
attempting
to
connect BNC cables.
Mounilng
screw
A-H
3
@j,
LOW - current
Rows
@)2
B@
@3
@4
@5
@6
carrying
Handle
Mountlng
SCPW
-Columns
i-12
Figure 2-2. Card Connectors
2-3
I
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