Industrial RS232/RS485 to Ethernet Converter, EU head
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RS232 to RS485 Communication Data Converter Adapter with a Terminal Board 53926157860 | eBay
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8 Port Serial Hub USB to RS232 Adapter - Serial Cards & Adapters | StarTech.com
RS232 to RS485
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PSM-ME-RS232/RS485-P | RS232 to RS485 Converter | Perle EU
Serial Adapter (RS232 to RS485) - Micro Connectors, Inc.
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DIGITUS by ASSMANN Shop | RS-232 to RS-485 Adapter
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Buy Wholesale China Rs232 To Rs485 Serial Passive Converter Db9 Female Data Transmitter Screw Terminal Connector & Rs232 To Rs485 Converter at USD 7.5 | Global Sources