
Page F-2
LiQuilaz II E and S Operations Manual
Appendix F Serial Communications Overview
Adapters and Cables
Several hardware items are needed for attaching PCs to various Particle Measuring
Systems instruments. Not all the items are required all the time; however, having all
the items shown will provide a reasonably complete serial connection tool suite.
USB Serial Port Adapter
Newer computers (especially laptops) no longer include a serial port.
USB to Serial adapters are available to resolve this issue. Particle Measuring Systems
has P/N 1000023262 (see
Figure F-1
USB serial adaptor
USB driver for Windows
Windows machines will require a driver to be installed for the USB serial adaptor. The
drivers are specific to the model of adaptor used and operating system installed.
Incorrect drivers can occasionally be a problem. If the adaptor does not operate
correctly, the driver is usually at fault.