1 Pair Industrial RS232/485/422 Interface Asynchronous Fiber MODEM SM FC 20KMDescription:
Single-mode optical fiber 20 km FC interface wavelength: 1310 nmRS-232/RS-485/422 Interface Optical Fiber MODEM
I. overview
RS-232/RS-485/RS-422 interface optical fiber MODEM is a controller connecting remote terminal unit (RTU) to host (HOST) or distributed data acquisition system (SCADA). The product uses optical fiber as transmission medium, which improves the transmission performance of the system and effectively avoids the threat of lightning, surge and electromagnetic interference to communication equipment in harsh environment.
II. Functions and Characteristics
A) Support RS-232/RS-485/RS-422 interfaceB) Asynchronous transmission, point-to-point operation, at a rate of 120 KbpsC) Support 9V-40V wide power input, power consumption 2.D) 1500W Surge Protection and 15KV Electrostatic ProtectionE) RS-485/422 supports 32 nodes (128 customizable)Node)F) Single-mode or multi-mode MODEL
(customized to users)G) Working wavelength: 1310 nm (multi-mode), 1310 nm (single-mode)H) Automatic detection of signal rate, zero delay automatic forwarding
III. PERFORMANCE PARAMETERS
Interface: conform to EIA RS-232, RS-485, RS-422 standardsTransmission rate: 0-500 KbpsTransmission distance: RS-232 port 15 meters, RS-485/422 port 1200 metersOptical multi-mode 2 km, single-mode 40 kmWorking environment: - 25 C to 70 C
IV. Appearance Instructions
Interface form: 8-bit terminal (port), multi-mode optional ST/SC/FC interface.Single mode adopts FC/SC/ST interfaceLength * width * height: 100mm * 69mm * 22mmShell: Iron ShellColor: Computer WhiteWeight: 230g
V. Pin Definition
Power Interface Optical Fiber InterfaceGND-In of Power Source-Optical Fiber InputDCIN-9-40V Positive Power Supply Input OUT-Optical Fiber OutputRS-485/422 interfaceT+/D+-RS-422 Sends Positive/RS-485 Signal PositiveT-/D--RS-422 Sends Negative RS-485 SignalR+-RS-422 Receiving PositiveR--RS-422 Receives NegativeGND - Signal GroundRS-232 interfaceIN-RS-232 InputOUT-RS-232 OutputGND - Signal Ground
VI. Illustration of Indicators
Power: Power IndicatorRxD: Fiber Optic Interface Receives Data IndicatorsTxD: Optical Fiber Interface Sends Data Indicators
VII. Indications for Product ApplicationAccording to the needs of users, the point-to-point communication between RS-232/RS-485/RS-422 interfaces can be completed arbitrarily.

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