NI SMB-2163 User Guide
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Note
For additional shielding, you can connect the shield ground connector on the
NI SMB-2163 to earth/hard ground. This terminal is connected to the shielded enclosure
ground. The shield ground lug is shown in Figure 1.
Cleaning the Accessory
Disconnect all cables to the NI SMB-2163 before cleaning. To remove
light dust, use a soft, nonmetallic brush. To remove other contaminants, use
alcohol wipes. The unit must be completely dry and free from contaminants
before returning to service.
Table 1.
DDC Connector Pinout Descriptions
DDC Pin
Signal Description
DIO <0..31>
Bidirectional digital data channels 0 though 31.
STROBE
External Sample clock source for pattern
acquisition.
DDC CLK OUT
Exported Sample clock signal.
PFI <1..3>
Programmable function interface channels
1 through 3.
GND
Ground reference for signals.
RESERVED
These channels are reserved for system use.
Do not connect signals to these channels.
