![](/images/backgrounds/160496/160496-270137x1.png)
Start > Settings > Control Panel > Data Collection > COM1 tab
This panel sets communication parameters for any device connected to the external port.
Adjust the settings and click the OK button to save the changes. Any changes take effect immediately.
This panel does not configure the connected device. Please refer to the documentation for the external connected or wireless device for information on configuring the device.
Note: COM default values are restored after a cold boot or operating system upgrade. COM1 supports 5V switchable power on Pin 9 for tethered scanners.
Power on Pin 9
To configure the COM port to supply power to an external scanner tethered to the COM1 port, check the checkbox for Power on Pin 9 (+5V). The default is On (enabled).
Wireless external scanners use their own power source.
COM2Start > Settings > Control Panel > Data Collection > COM2 tab
This panel sets communication parameters for any device connected to the external port.
Adjust the settings and click the OK button to save the changes. Any changes take effect immediately.
This panel does not configure the connected device. Please refer to the documentation for the external connected or wireless device for information on configuring the device.
Note: COM default values are restored after a cold boot or operating system upgrade. COM2 supports 5V switchable power on Pin 9 for tethered scanners.
Power on Pin 9
To configure the COM port to supply power to an external scanner tethered to the COM2 port, check the checkbox for Power on Pin 9 (+5V). The default is On (enabled).
Wireless external scanners use their own power source.
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