Honeywell VX3Plus, Справочное руководство, Страница: 27 / 282

External Connectors
Most external connectors for the VX3Plus are located on the top of the unit.
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The RS-232 port, if present, (COM1 or COM3) connects to a serial barcode scanner, PC or printer.
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The USB-C port, if present, provides a USB Client connection.
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The USB-H port, if present, provides a USB Host connection.
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Audio connects to a mono or stereo telephone headset/microphone.
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An optional connector for a remote mount antenna.
When the remote antenna mount is ordered, the VX3Plus does not have an audio connector.
RS-232 Connector (COM1 or COM3)
When present, the serial connector, labeled “RS-232”, (configured as COM1 or COM3 depending on endcap option selected) is
industry-standard RS-232. The connector includes a PC/AT standard 9–pin “D” male connector. By default, Pin 9 to provide RI.
Pin 9 of
COM1 or COM 3 may also be configured to 5 VDC at 0.4A (max) for an external bar code scanner.
Power the VX3Plus off before attaching a cable or device to the COM1 or COM3 serial port.
Pin Signal Description
1 DCD Data Carrier Detect - Input
2 RXD Receive Data - Input
3 TXD Transmit Data - Input
4 DTR Data Terminal Ready - Input
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 - 400mA max (default)
RI Ring Indicator
Shell CGND Chassis Ground
Technical Specifications - Connection Cable
The exact serial cable is crucial. Many commercial null modem cables will not work. The following cable is recommended:
Serial Cable - 9000060CABLE
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