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Serial Connector – COM2
COM2 provides +12v on pin 9 when enabled.
Do not connect a serial bar code scanner to COM2 as this may damage the scanner, the Thor VX9 or both.
The COM2 serial connector is an industry-standard RS-232 9-pin “D” connector. The connector and its pin assignments are
shown below.
Pinout
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
RI
or
+12VDC
Ring Indicator – Input (default)
or
Power – 400mA max
Note: Pin 9 of the COM port can be switched between +12V and RI. See VMT Manager.
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