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tDS-725(i)-UL-(UTA)、tDS-735(i)-UL-(UTA):Tiny Serial-to-Ethernet Device Server with PoE
New Products
2026-09-14

Introduction:
The tDS-700-UL series is a tiny Serial-to-Ethernet device server that converts RS-232/422/485 serial communication to Ethernet, enabling devices without connectivity to connect to an Ethernet network. After configuration using the VxComm Driver/Utility, the module’s built-in COM Port can be virtualized as a standard local COM port on a Windows host. This allows the module to be quickly deployed in various network applications without requiring software modification.
With its space-saving design, the tDS-700-UL can be directly connected to serial devices or embedded in machines for flexible and convenient installation. It supports both IEEE 802.3af PoE (Class 1) and DC power input and features an ultra-low power design to minimize power consumption. In addition, the module provides 3000 VDC isolation and +/-4 kV ESD protection to help protect equipment against electrical disturbances.
The module is UL certified and complies with stringent safety requirements for fire resistance, protection against electric shock, and durability, helping ensure stable and safe operation in a variety of environments.
The UTA version features a conformal-coated PCB that provides excellent protection against moisture, salt spray, and corrosion, making it particularly suitable for coastal, high-humidity, and other harsh environments.
With its space-saving design, the tDS-700-UL can be directly connected to serial devices or embedded in machines for flexible and convenient installation. It supports both IEEE 802.3af PoE (Class 1) and DC power input and features an ultra-low power design to minimize power consumption. In addition, the module provides 3000 VDC isolation and +/-4 kV ESD protection to help protect equipment against electrical disturbances.
The module is UL certified and complies with stringent safety requirements for fire resistance, protection against electric shock, and durability, helping ensure stable and safe operation in a variety of environments.
The UTA version features a conformal-coated PCB that provides excellent protection against moisture, salt spray, and corrosion, making it particularly suitable for coastal, high-humidity, and other harsh environments.
Features:
- Integrates RS-232/422/485 serial devices into Ethernet networks
- Supports Virtual COM, TCP Server, and TCP Client modes
- VxComm Utility supports 32- and 64-bit versions of Windows 7/8/10/11/2012/2016
- Maximum connections: 1 socket connection per serial port is recommended
- Supports pair-connection (serial-bridge and serial-tunnel) applications
- Supports UDP responder for device discovery (UDP Search)
- Built-in lightweight Web server for configuration (HTTP)
- Supports automatic RS-485 direction control
| Model Comparison Table | ||||||
|---|---|---|---|---|---|---|
| Model (Non-Isolated) | Model (Isolated) | RS-485 | COM1 | COM2 | COM3 | Operating Temperature |
| tDS-725-UL | tDS-725i-UL | 2 | 2-wire RS-485 | 2-wire RS-485 | - | -25 ~ +70 °C |
| tDS-725-UL-UTA | tDS-725i-UL-UTA | 2 | 2-wire RS-485 | 2-wire RS-485 | - | -40 ~ +70 °CC |
| tDS-735-UL | tDS-735i-UL | 3 | 2-wire RS-485 | 2-wire RS-485 | 2-wire RS-485 | -25 ~ +70 °C |
| tDS-735-UL-UTA | tDS-735i-UL-UTA | 3 | 2-wire RS-485 | 2-wire RS-485 | 2-wire RS-485 | -40 ~ +70 °C |
| Note: The UTA version features a conformal-coated PCB that provides protection against humidity, dust, and corrosion, making it particularly suitable for high-humidity and high-salinity environments such as coastal areas, ships, and water treatment facilities. Even when the device is installed inside a waterproof enclosure, the conformal-coated version is still recommended for more comprehensive protection. | ||||||
For more information, visit:
https://www.icpdas.com/en/product/guide+Industrial__Communication+Serial__Communication+Serial-to-Ethernet__Device__Server#3274
