GV75WUserManual
TRACGV75WUM001
‐8‐
2.3. InterfaceDefinition
GV75Whas11interfaceswhichincludetheconnectionforpower,ignitioninput,digitalinput,digital
output,USB,TXDandRXD,etc.Theusercableinfoisshowninthefollowingtable.
Table4:DescriptionofGV75WInterface
Table5:DescriptionofGV75WExtensionCable
Index Colour Description Comment
1 Red Power ExternalDCpowerinput,8‐32V
2 Black Ground Systemground(connectedtothevehicle’sframedirectly)
3 Yellow Digitalinput Digitalinput,negativetrigger
4 White Ignition Ignitioninput,positivetrigger
5 Green Digitaloutput2 Digitaloutput,lowside150mAmax
6 Blue Digitaloutput1 Digitaloutput,lowside150mAmaxwithlatch
7 Purple TXD UARTTXD,RS232
8 Gray RXD UARTRXD,RS232
9 Orange USB_VBUS USBpowerconnector
10 Brown USB_DM USBdigitalnegative
11 Pink RXD_DP USBdigitalpositive
Index Colour Description Comment
1 Red Power ExternalDCpowerinput,8‐32V
2 Black Ground Systemground(connectedtothevehicle’sframedirectly)
3 Yellow Digitalinput Digitalinput,negativetrigger
4 White Ignition Ignitioninput,positivetrigger
5 Green Digitaloutput2 Digitaloutput,lowside150mAmax
6 Blue Digitaloutput1 Digitaloutput,lowside150mAmaxwithlatch
7 Purple TXD UARTTXD,RS232
8
Gray
RXD UARTRXD,RS232