RS-232 to RS-422 conversion! Compact model with port power supply support.
The ULI-223D is an industrial converter that converts RS-232 signals (TD/RD) into balanced RS-422 signals, extending communication distances up to 1.2 km. It adopts a port-powered method, obtaining power from the RS-232 handshake lines (DTR/RTS), eliminating the need for an external power supply. It supports bidirectional communication and a maximum data rate of 115.2 kbps. With its compact inline design, it is ideal for space-saving installation in control panels and on-site. It is compatible with Windows and serial communication devices, making it useful for field service and testing equipment.
![ULI-223D_01--20231107172129[1].jpg](https://image.mono.ipros.com/public/product/image/245492/IPROS16110123083619964862.jpg?w=280&h=280)
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basic information
- Conversion: RS-232 ⇔ RS-422 (bidirectional) - Communication distance: Up to 1.2 km - Data rate: Up to 115.2 kbps - Power supply method: Powered by RS-232 port (handshake line) - RS-232 connector: DB9 female - RS-422 connector: DB9 female - Bias resistance: 4.7 kΩ - Operating temperature: 0 to 70°C - Size/Weight: 61 × 33.3 × 17.4 mm, approximately 45 g - Certification: CE, FCC, RoHS
Price information
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Delivery Time
※The delivery date may vary depending on the quantity, so please feel free to contact us.
Applications/Examples of results
- Connection of industrial PCs and RS-422 devices - Long-distance serial communication (up to 1.2 km) - Space-saving installation within control panels - RS-232 to RS-422 conversion for testing equipment and lab devices
Line up（1）
| Model number | overview |
|---|---|
| ULI-223D（BB-422PP9R） | RS-232 DB9F ⇔ RS-422 DB9F, supports port power supply. |
catalog（3）
Download All Catalogs![[Case Studies Included] Serial/USB Communication Devices Product Guide](https://image.mono.ipros.com/public/catalog/image/245492/IPROS12540462012250341345.jpeg?w=120&h=170)
Company information
In 1983, Advantech (Advantech Co., Ltd.) was founded in Taiwan. For over 40 years, we have been developing high-quality and high-performance computers for industrial applications. As of 2024, we offer a lineup of over 3,000 various IoT devices. As the world's No. 1 manufacturer in the industrial computer market, with a presence in 95 cities across 26 countries, we aim to cultivate a prosperous future by solving social issues through AI × IoT platform services. *Source: OMDIA - No. 1 in global market share for industrial PCs, 42.5% (2023 edition)* In Japan, we established Advantech Co., Ltd. in 1997. In 2018, we formed a capital and business alliance with Omron Nogata Co., Ltd. to further expand sales and to quickly respond to market demands by offering design to production (DMS/ODM) services. By merging Taiwan's speed with the technological expertise we have cultivated over the years, we will establish a brand that meets the needs of our partners.
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