Appendix A — Specifications

USB Port Pin Assignments (continued)

Pin

Signal

Description

 

 

 

8

USB1_VBUS

USB host 1 ( 5 V output power)

 

 

 

9

GND

Common ground

 

 

 

10

GND11USB2_VBUS

USB host 2 ( 5 V output power)

 

 

 

11

GND

Common ground

 

 

 

12

USB2_D-

USB client data signal

 

 

 

13

USB2_D+

USB client data signal

 

 

 

14

GND

Common ground

 

 

 

15

GND

Common ground

 

 

 

Power Connector

To connect to a regulated external AC/DC or DC/DC supply, apply power to DC+. To connect directly to an unregulated 9 to 36 VDC source, connect power to V In+.

45

3

6

 

21

Power Connector Pin Assignments

Pin

Signal

Description

 

 

 

1

GND

Chassis ground

 

 

 

2

DC+

12 V regulated DC+ input

 

 

 

3

VIn-

DC- power return

 

 

 

4

Not connected

 

 

 

5

Ignition

Ignition sensing input

 

 

 

6

VIn+

9 to 36 V non-regulated DC+ input

 

 

 

70

Thor CV31 Vehicle-Mount Computer User Manual

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Image 78
Honeywell CV31 user manual Power Connector Pin Assignments