National Instruments 3.22E+04 用户手册

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Chapter 2
Installation and Verification
© National Instruments Corporation
2-11
Figure 2-8 shows how to connect the cables when you install a four-port 
PCI serial board.
Figure 2-8.  Connecting the Cables to Your Four-Port PCI Serial Board
Serial Board
Additional 
Serial Cable
Additional 
Serial Cable
10-Position Modular Jack 
to DB-9 Cable
10-Position Modular Jack
 to DB-25 Cable
485 Terminator
(485 Boards Only)