©
National Instruments Corporation
4-1
PCI-6023E/6024E/6025E User Manual
4
Signal Connections
This chapter describes how to make input and output signal connections to
your board via the I/O connector.
The I/O connector for the PCI-6023 and PCI-6024E has 68 pins that you
can connect to 68-pin accessories with the SH6868 shielded cable or the
R6868 ribbon cable. You can connect your board to 50-pin signal
accessories with the SH6850 shielded cable or R6850 ribbon cable.
The I/O connector for the PCI-6025E has 100 pins that you can connect
to 100-pin accessories with the SH100100 shielded cable. You can connect
your board to 68-pin accessories with the SH1006868 shielded cable, or to
50-pin accessories with the R1005050 ribbon cable.
I/O Connector
Figure 4-1 shows the pin assignments for the 68-pin I/O connector on the
PCI-6023 and PCI-6024E. Figure 4-2 shows the pin assignments for the
100-pin I/O connector on the PCI-6025E. Refer to Appendix B,
Cabling and Optional Connectors
, for pin assignments of the optional
50- and 68-pin connectors. A signal description follows the figures.
Caution
Connections that exceed any of the maximum ratings of input or output signals
on the boards can damage the board and the computer. Maximum input ratings
for each signal are given in the Protection column of Table 4-2. National
Instruments is
NOT
liable for any damages resulting from such signal connections.
!
PCI.book Page 1 Wednesday, September 16, 1998 9:09 AM