Key facts
- Manuals
- 1
- Languages
- ZH
- Last added
- 2012-01-17
Featured TH-4558 manuals
Tianhong TH-4558 Intelligent Isolation Communication Hub User Manual
The TH-4558 is a high‑performance RS232/RS485 eight‑port hub with one RS232 and one RS485 host ports and four RS485 branch ports. It offers optical isolation, built‑in surge protection up to 15 kV, and can communicate over distances exceeding 1.2 km.
The manual covers product overview, key features such as fault detection and signal‑synchronization technology, detailed interface definitions, installation wiring, usage precautions, and troubleshooting steps for reliable operation in industrial automation, parking, banking, and access‑control systems. This manual is written in Chinese.
Covers: 产品概述 · 特点及应用 · 主要性能 · 外观及定义 · 连接及使用 · 使用注意事项
Latest TH-4558 manuals
Tianhong TH-4558 Intelligent Isolation Communication Hub User Manual
User Manual 7 pages · 155 KB · ZHThe Tianhong TH-4558 manual provides specifications, wiring diagrams, and operation instructions for the RS232/RS485 8‑port isolation hub.
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 TH-4558 manuals
How many RS485 ports does the TH-4558 have?
The TH-4558 has eight RS485 branch ports plus one RS485 bus port, for a total of nine RS485 ports.
From: Tianhong TH-4558 Intelligent Isolation Communication Hub User Manual
What is the maximum communication distance of the hub?
The device can communicate up to 2 km, and up to 1.2 km at the highest baud rate of 115.2 kbps.
From: Tianhong TH-4558 Intelligent Isolation Communication Hub User Manual