PerkinElmer Photovac 2020, Руководство пользователя

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2020 Software Manual
150
2 RXD RXD TXD
3 TXD TXD RXD
Table 10 Serial Port Pin Definitions
Pins 2 and 3 should be mismatched between 2020 and
the computer. Ensure this is the case. It is also possible
that the cable being used may switch pins 2 and 3, even
if it is not necessary. The cable may be a null modem.
Computer with
25 Pin, Male,
Serial Port
2020
Printer Cable
2020
Gender
Changer
Figure 28 Connecting 2020 Using the Gender Changer
3. Ensure all hardware is working properly.
Use a printer to test both 2020 and the computer.
Connect 2020 to the printer and ensure that this
arrangement produces the desired results. If the correct
printout is obtained, then the 2020 and the printer cable
are okay.
Now connect the computer to the printer and ensure
this works. If the desired printout is obtained this
ensures the computer parts are handling data correctly.