9 - 5
Port and Connector Pinouts
Power Supply Connector
VM1D Standard Dock and VM3D Enhanced Dock
VMXD Enhanced Dock
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 conflicts.
Pin Signal Description
1 V In+ 10-60V DC input +
2 V In+ 10-60V DC input +
3 V In- input -
4 V In- input -
5 GND Chassis ground
6 Ignition +0V to 60V to start terminal
Pin Signal Description
1 V In+ 13.2V DC Input + provided by DC/DC power supply
2 V In+ 13.2V DC Input + provided by DC/DC power supply
3 V In- Input -
4 V In- Input -
5COM1
RTS
Screen Blanking Box + The green wire in the power cable must
be connected to the switched side of the screen blanking box.
See the applicable wiring diagram below.
6COM1
CTS
Screen Blanking Box - The white wire in the power cable must
be connected to the unswitched side of the screen blanking box.
See applicable wiring diagram below.
Cable shell provides chassis ground connection.
Pin Signal Description
1 DCD Data Carrier Detect – Input
2 RXD Receive 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