Model No.:ONV-M277-M
Product Origin:China
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Description:Specification and function: 1) The distance is 2km (multi-stand module) 2) Designed to provide the most versatile connection possible between any asynchronous serial equipment using fiber optic cable 3) Supports RS-232 data signal and RS-485 data signal 4) Duplex and semi-duplex RS-485 working way is available 5) The point to lop connecting is available