Mechanical, Main connector and pinout – Measurement Computing USB-DIO24/37 User Manual
Page 17
USB-DIO24/37 User's Guide
Specifications
17
Mechanical
Table 7. Mechanical specifications
Dimensions
119 mm (L) x 84 mm (W) x 14 mm (H)
USB cable length
3 meters max
USB cable type
A-B cable, UL type AWM 2527 or equivalent. (min 24 AWG VBUS/GND,
min 28 AWG D+/D-)
User connection length
3 meters max
Main connector and pinout
Table 8. Connector specifications
Connector type
37-pin D-type
Compatible cables
C37FF-x unshielded ribbon cable. x = length in feet.
C37FFS-x cable shielded round cable. x = length in feet.
Compatible accessory products (with the
C37FFS-x and C37FF-x cables)
SCB-37
CIO-MINI37
CIO-MINI37-VERT
CIO-ERB08
CIO-SERB08
CIO-ERB24
CIO-SPADE50
SSR-RACK08
SSR-RACK24
Table 9. Connector pinout
Pin
Signal Name
Pin
Signal Name
1
CTR
20
+5
2
NC
21
GND
3
Port B Bit 7
22
Port C Bit 7
4
Port B Bit 6
23
Port C Bit 6
5
Port B Bit 5
24
Port C Bit 5
6
Port B Bit 4
25
Port C Bit 4
7
Port B Bit 3
26
Port C Bit 3
8
Port B Bit 2
27
Port C Bit 2
9
Port B Bit 1
28
Port C Bit 1
10
Port B Bit 0
29
Port C Bit 0
11
GND
30
Port A Bit 7
12
NC
31
Port A Bit 6
13
GND
32
Port A Bit 5
14
NC
33
Port A Bit 4
15
GND
34
Port A Bit 3
16
NC
35
Port A Bit 2
17
GND
36
Port A Bit 1
18
+5
37
Port A Bit 0
19
GND