[SUNIX] Low-cost & flexible, RS-232 to RS-422/485 industrial converter module.
SUNIX, Taiwan, 28.10.2025 - The STD1109S / STD1105S are compact internal modules that convert onboard RS-232 signals to RS-422 or RS-485. They can be installed directly inside the chassis to enable stable long-distance and multi-drop serial communication, while keeping the original RS-232 port available and reducing the number of motherboard SKUs required.
1 motherboard for 3 interface options!
- Single design, flexible fulfillment: Reduce SKU complexity and lower inventory cost
- Higher cost-efficiency than expansion cards: Simple module upgrade, no expensive add-on card needed
- No PCIe / M.2 slot required: Directly connects to the motherboard’s RS-232 header
- Industrial-grade electrical protection: ESD ±15 kV Air / ±8 kV Contact, 2 kV Surge protection
Perfect for small form-factor IPCS and embedded computers.
- Traffic control / tolling / access control systems
- Smart energy / building management systems
- Industrial automation controllers
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STD1109S / STD1105S - One Solution for Diverse Industrial Interface Demands -
STD1109S & STD1105S - 1 motherboard for 3 interface options! -
STD1109S & STD1105S - Product Family
Publisher of the message (text / image): SUNIX CO.,Ltd , www.sunix.com
