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- Manuals
- 1
- Languages
- ZH
- Last added
- 2012-03-16
Featured DOTEK manuals
DOTEK UT-820E USB to RS-485/RS-422 Optical Isolation Interface Converter User Manual
The UT-820E is a universal USB to RS-485/RS-422 converter with built‑in optical isolation, offering up to 2500 Vrms isolation voltage and 1500 W surge protection. It supports point‑to‑point and multi‑point communication, full‑duplex (RS‑422) and half‑duplex (RS‑485) modes, and provides LED indicators for power, transmit and receive signals.
This manual covers the hardware installation, connector pin assignments, supported communication configurations, performance parameters, and a troubleshooting guide. It also lists the physical dimensions, operating temperature range, and compatible operating systems such as Windows and Linux. This manual is written in Chinese.
Covers: Performance Parameters · Hardware Installation · Communication Connection Diagram · Interface Pin Assignment · Fault Diagnosis and Troubleshooting
Latest DOTEK manuals
DOTEK UT-820E USB to RS-485/RS-422 Optical Isolation Interface Converter User Manual
User Manual 2 pages · 54 KB · ZHThe DOTEK UT-820E manual provides specifications, installation steps, communication modes, and troubleshooting for the USB to RS-485/RS-422 optical…
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 DOTEK manuals
What communication modes does the UT-820E support?
It supports point‑to‑point and multi‑point connections, half‑duplex (RS‑485) and full‑duplex (RS‑422) modes.
From: DOTEK UT-820E USB to RS-485/RS-422 Optical Isolation Interface Converter User Manual
How many devices can be connected in a multi‑point RS‑422/RS‑485 network?
Up to 128 devices can be connected in a multi‑point configuration.
From: DOTEK UT-820E USB to RS-485/RS-422 Optical Isolation Interface Converter User Manual