Trigger Input Termination (Vxipc 600 Series Only); Figure 3-8. Smb Clk10 Polarity; Smb Trigger Input Termination - National Instruments VXIpc 600 Series User Manual

Trigger Input Termination (VXIpc 600 Series Only)

© National Instruments Corporation
You can use an additional switch, W7, to control the polarity of the external
CLK SMB signal when W4 is configured to drive it. W7 is unused—its
setting does not matter—when W4 is configured to receive the external
CLK SMB signal.
W4 W5 W6 W7
a. Noninverted CLK10
Output from SMB
(Default)
You can use jumper W2 to terminate the external trigger input SMB
with 50 Ω to ground. Figure 3-9a shows the default setting for a
non-terminated trigger input SMB. Use the setting of Figure 3-9b to
terminate the trigger input SMB.
a. Does Not Terminate
Trigger Input (Default)
Figure 3-9. SMB Trigger Input Termination
Chapter 3
b. Inverted CLK10
Output from SMB

Figure 3-8. SMB CLK10 Polarity

W2
3-9
Configuration and Installation
W2
b. Terminate
Trigger Input
VXI/VMEpc 600 Series User Manual