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I/O Configuration
COM1 Setting
RS232 (COM1) supports 5V or 12V power output for users to easily connect with barcode
scanner or other equipment. The maximum current is up to 5V/600mA & 12V/300mA.
If you don’t need the power output, just select 0V output to avoid the equipment damage.
Please note if system power source is from backup battery (no DC input available), COM1
will stop supplying the power output.