Chapter 3
Signal Connections
PCI-DIO-96/PXI-6508/PCI-6503 User Manual
3-4
ni.com
I/O Connector Signal Descriptions
Table 3-1 lists the signal descriptions for the PCI-DIO-96 and PXI-6508
I/O connector pins.
Table 3-1.
Signal Descriptions for PCI-DIO-96 and PXI-6508 I/O Connectors
Pin
Signal Name
Alternate
Port ID
†
Description
1, 3, 5, 7, 9, 11, 13, 15
APC<7..0>
2
Bidirectional data lines for port C
of PPI A—APC7 is the MSB,
APC0 is the LSB.
2, 4, 6, 8, 10, 12, 14, 16
BPC<7..0>
5
Bidirectional data lines for port C
of PPI B—BPC7 is the MSB,
BPC0 is the LSB.
17, 19, 21, 23, 25, 27,
29, 31
APB<7..0>
1
Bidirectional data lines for port B
of PPI A—APB7 is the MSB,
APB0 is the LSB.
18, 20, 22, 24, 26, 28,
30, 32
BPB<7..0>
4
Bidirectional data lines for port B
of PPI B—BPB7 is the MSB,
BPB0 is the LSB.
33, 35, 37, 39, 41, 43,
45, 47
APA<7..0>
0
Bidirectional data lines for port A
of PPI A—APA7 is the MSB,
APA0 is the LSB.
34, 36, 38, 40, 42, 44,
46, 48
BPA<7..0>
3
Bidirectional data lines for port A
of PPI B—BPA7 is the MSB,
BPA0 is the LSB.
49, 99
+5 V supply
—
+5 Volts—These pins are fused
for up to 1 A total of +4.65 to
+5.25 V.
50, 100
GND
—
Ground—These pins are
connected to the computer
ground signal.
51, 53, 55, 57, 59, 61,
63, 65
CPC<7..0>
8
Bidirectional data lines for port C
of PPI C—CPC7 is the MSB,
CPC0 is the LSB.
52, 54, 56, 58, 60, 62,
64, 66
DPC<7..0>
11
Bidirectional data lines for port C
of PPI D—DPC7 is the MSB,
DPC0 is the LSB.
