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Endcaps and COM Ports
The MX3Plus supports three COM port options. Two external serial ports are dependent on the end cap chosen. A third serial
port is used to support an infrared transceiver (bar code reader). An additional endcap configuration supports serial and USB
slave input/output at 1.5 MBps.
Caution: Do not use the RS232 labeled port for cables with USB Plugs/Receptacles.
Caution: Do not use the USB-C or USB-H labeled port for serial tethered scanners.
The COM 2 port is always the
be accessed when a tethered scanner is connected to the RS232 port on the cradle, and the MX3Plus is in the cradle. The
cradle does not need to be powered by a AC or DC power source. Tethered scanners receive power from the MX3Plus main
battery.
On the Standard Range Scanner / Serial Port endcap COM 3 is the Integrated Scanner port. The integrated bar code scanner
scans only when either MX3Plus Scan button is pressed. To edit Scanner Com Port parameters, select Start > Settings >
Control Panel > Scanner. Change the parameter values and tap OK to save the changes.
On the
Dual Serial Port endcap
Seat the connector firmly over the pins and turn the thumbscrews in a clockwise direction. Do not overtighten.
Note:
When the MX3Plus has a remote antenna connector, it does not have an audio jack.
Endcap Combinations
Left Port
Serial COM3
Serial COM3
USB Host
USB Host
Scanner
Scanner
Serial COM3
Serial COM3
USB Host
USB Host
Bar code scanners, tethered to the serial port on a cradle, send ASCII data to the MX3Plus in the cradle through the COM2
Port.
2-4
IR port
on the back of the MX3Plus, regardless of the type of
the COM1 port is the serial port on the right side of the endcap when the display is facing you.
Serial COM1
USB Client
Serial COM1
USB Client
Serial COM1
USB Client
Serial COM1
USB Client
Serial COM1
USB Client
Right Port
endcap
installed. COM 2 can only
Audio Jack
Audio Jack
Audio Jack
Audio Jack
Audio Jack
Audio Jack
Antenna
Antenna
Antenna
Antenna
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