Chapter 10
Installation and Operation
10-4
©
National Instruments Corporation
SC-2056
The SC-2056 has one jumper, W1, shown in Figure 10-5. Jumper W1
connects the shield of the SH100100 cable to the mounting rack or the
digital ground of the AT-MIO-64E-3 to the mounting rack.
Figure 10-5.
SC-2056 Shield Jumper Location
Setting jumper W1 to the position between the two labels SH100100
CABLE SHIELD and CHASSIS GROUND connects the shield of the
SH100100 cable to the four metal standoffs. If the adapter is installed in the
19-in. rack, this setting grounds the shield of the SH100100 to the rack. If
jumper W1 is positioned between the two labels CHASSIS GROUND and
MIO DIGITAL GROUND, the digital ground of the AT-MIO-64 E-3 is
connected to the four metal standoffs. If the adapter is installed in the 19-in.
rack, this setting grounds the digital ground of the AT-MIO-64 E-3 to the
rack. If the jumper W1 is removed, the shield of the SH100100 and the
digital ground of the AT-MIO-64 E-3 from the rack are isolated.
The SC-2056 is shipped from the factory with jumper W1 set to the position
between the MIO DIGITAL GROUND and CHASSIS GROUND.
Figure 10-6 shows the ground settings for SC-2056 jumper W1.
Figure 10-6.
Ground Settings for SC-2056 Jumper W1
Shield Jumper
SH100100 Cable Shield
Chassis Ground
MIO Digital Ground
Factory Default
SH100100 Cable Shield
Chassis Ground
MIO Digital Ground
