Key facts
- Manuals
- 1
- Languages
- EN
- Last added
- 2026-09-29
Featured Quatech manuals
Quatech QSC(LP)-200/300 User Manual
This manual describes the Quatech QSC(LP)-200/300, a four‑channel RS‑422/485 asynchronous communications adapter for PCI‑bus PCs. It outlines the device features, hardware configuration options, jumper settings, and the automatic BIOS/OS configuration. Detailed sections cover signal connections, optional surge‑suppression upgrades, and high‑speed UART clock options.
Installation steps, resource mapping, technical specifications, and troubleshooting guidance are provided. The document also includes warranty information, compliance declarations, and contact details for technical support.
Covers: General Information · Hardware Configuration · Hardware Installation · PCI Resource Map · Specifications · Troubleshooting
Latest Quatech manuals
Quatech QSC(LP)-200/300 User Manual
User Manual 34 pages · 522 KB · ENThe Quatech QSC(LP)-200/300 User Manual provides installation, configuration, and operation instructions for the four‑channel RS‑422/485 PCI communications…
Which document do I need?
User Manual
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in Quatech manuals
What is the warranty period for the QSC(LP)-200/300?
Quatech, Inc. warrants the QSC(LP)-200/300 to be free of defects for five (5) years from the date of purchase.
How can I increase the UART clock speed for higher baud rates?
Install the jumper on pins 17 and 18 (Force High‑Speed UART Clock) to multiply the UART input clock frequency by eight.