Unitech Hand Held Scanner Manual de usuario descargar pdf (Pagina 13)

Chapter 3

RS232 Serial Interface

Installation

To use the scanner as a RS232 serial interface, a RS232 interface cable and

a power adapter are required. See chapter 1 for cable pinout and

adapter specification. Figure 2 shows an installation diagram for your

reference.

Installation procedures:

1) Make sure the scanner's cable has the right connector and pinout for the

RS232 port of the host device. If the pinout is different from device,

swapping pins is necessary to achieve proper communication.

2) If the host device has power output at RS232 interface port, the scanner

can be powered by connecting that power line to pin 9 of the scanner

connector. If there is no power at RS232 port, adapter is needed Plug the

adapter into the DB type connector at the end of the interface cable.

Installed as a Serial Interface

3) Plug the DB type connector the interface cable into host's RS232 port and

power up the device.

4) When the scanner is powered, a long beep sound indicates the scanner is

ready to use.

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Unitech Hand Held Scanner Manual de usuario Pagina 13