Measurement Computing CIO-DIO24/CTR3 - Manual (Page 13)

CIO-DIO24/CTR3 User's Guide Installing the CIO-DIO24/CTR3
Connecting the board for I/O operations
Connectors, cables – main I/O connector
The table below lists the board connector, applicable cables, and compatible accessory products.
Board connector, cables, and accessory equipment
Connector type 37-pin male "D" connector
Compatible cables C37FF-x
C37-FFS-x
DFCON-37 (D-connector, D-shell, and termination pins to construct your own cable)
Compatible accessory products
with the C37FF-x cable and
C37FFS-x cable
CIO-MINI37
CIO-SPADE50
SSR-RACK08
SSR-RACK24
CIO-ERB08
CIO-ERB24
The CIO-DIO24/CTR3 connector is a 37-pin D-type male connector that is accessible through the computer's
expansion bracket (see ). The signals available are direct connections to the 82C55 digital I/O chip as
well as the PC’s internal power supplies.
Figure 6
Figure 6. I/O connector pin-out
CLK 0 19
GATE 0 18
OUT 0 17
CLK 1 16
GATE 1 15
OUT 1 14
CLK 2 13
GATE 2 12
OUT 2 11
FIRSTPORTB Bit 0 10
FIRSTPORTB Bit 1 9
FIRSTPORTB Bit 2 8
FIRSTPORTB Bit 3 7
FIRSTPORTB Bit 4 6
FIRSTPORTB Bit 5 5
FIRSTPORTB Bit 6 4
FIRSTPORTB Bit 7 3
IR Enable 2
IR Input 1
37 FIRSTPORTA Bit 0
36 FIRSTPORTA Bit 1
35 FIRSTPORTA Bit 2
34 FIRSTPORTA Bit 3
33 FIRSTPORTA Bit 4
32 FIRSTPORTA Bit 5
31 FIRSTPORTA Bit 6
30 FIRSTPORTA Bit 7
29 FIRSTPORTC Bit 0
28 FIRSTPORTC Bit 1
27 FIRSTPORTC Bit 2
26 FIRSTPORTC Bit 3
25 FIRSTPORTC Bit 4
24 FIRSTPORTC Bit 5
23 FIRSTPORTC Bit 6
22 FIRSTPORTC Bit 7
21 GND
20 +5V
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