Thor VM3 with Microsoft Windows Embedded Compact 7 User Guide 305
COM1 and COM2 Connector
VMXD Enhanced Dock only: Because the power supply connector port for the VMXD
Enhanced Dock contains COM1 RTS and CTS signals, the COM1 port on the dock
should not be used when the power cable is used for screen blanking to avoid port con-
flicts.
USB and USB1 Connector
The Standard Dock has a USB connector. The Enhanced Dock has a USB1 connector.
Pin Signal Description
1 DCD Data Carrier Detect – Input
2RXDReceive Data – Input
3 TXD Transmit Data – Output
4 DTR Data Terminal Ready – Output
5 GND Signal/Power Ground
6 DSR Data Set Ready – Input
7 RTS Request to Send – Output
8 CTS Clear to Send – Input
9 +5VDC Bar Code Scanner Power - 500mA max
Shell CGND Chassis Ground
Pin Signal Description
1 GND Common ground
2 USBC_D+ USB client data signal (not used)
3 USBC_D- USB client data signal (not used)
4 USB_H1_PWR USB host 1; 5V output power
5 GND Common ground
6 GND Common ground
7 USB_H1_D+ USB host 1 data signal
8 USB_H1_D- USB host 1 data signal
9 USBC_VBUS USB client 5V detect from attached host
PIN 6PIN 9
PIN 1
PIN 5