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The FRM220-Serial RS-232/485 Fiber Converter Card is a high-performance solution designed to extend serial communication over long distances using fiber optic technology. This compact, reliable card supports both RS-232 and RS-485 standards, enabling seamless and robust data transmission in industrial, networking, and telecommunication applications. By converting serial signals to optical signals, the FRM220 provides excellent noise immunity and eliminates the signal degradation typically associated with long-distance copper wiring. It supports data rates of up to 115.2 Kbps, ensuring efficient communication over distances of up to 20 kilometers (12.4 miles) via single-mode fiber or up to 2 kilometers (1.24 miles) via multimode fiber. The card is designed for easy integration with existing serial-based devices, offering a cost-effective solution for extending serial communication in harsh environments or across vast infrastructure networks. The FRM220-Serial is ideal for applications such as remote monitoring, automation, and control systems, where reliable, long-distance data transmission is crucial.
Specifications
Optical
Connector         FRM220-Serial: Fixed SC, ST, FC
Electrical
Connector       6 pins Terminal block
Interface
                         FRM220-Serial-SFP: SFP LC                  Â
Data rate           36.864Mbps
Interface
Data Signal Formats
 RS-485 2-wire                                    Â
 RS-232 RTS/CTS 5-wire                       Â
 Line coding       Scrambled NRZ                                 Â
 Bit Error Rate Less than 10-10                              Fiber    MM 62.2/125μm, 50/125μm       Â
                         SM 9/125μm                                   Distance MM 2km, SM 15/30/50km       Â
                         WDM 20/40km                               Â
Power Consumption
                         RS-232 3-wire                                 Baud Rate        RS-422, RS-485 up to 1024kbps  Â
                         RS-232 up to 256kbps                     Bit Error Rate  Less than 10-10
< 6W
Wavelength     MM 1310nm, SM 1310, 1550nm            Â
 WDM 1310Tx/1550Rx (type A)              Â
                                                           1550Tx/1310Rx (type B)             Â
Standards        EIA/TIA RS-485, RS-232
LEDs                 Power, FX Link, DI, DO, Test
 Power Input     12VDC                                                                       Â
Application
Dimensions   159.5 × 20.8 × 88mm (D×W×H)
Weight           130g
Temperature 0 ~ 50°C (Operating), -10 ~ 70°C (Storage)
Humidity        10 ~ 90% non-condensing
Certification     CE, FCC
MTBFÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 65,000 hrs
Ordering Information
| ModelName | Description | |
| FRM220-Serial | RS-232/485 fiber converter card |
| ConnectorType | ConnectivityDistance | |||
| SC,ST,FC | 002: 2km 015: 15km 030: 30km 050: 50km | |||
| (Not Applicable for SFP Type) | 20A: WDM 20km A type 20B: WDM 20km B type    40A: WDM 40km A type    40B: WDM 40km B type | |||
Enjoy:
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RS232/485 Over Fiber Card FRM220-Serial
Israel's Leading Businesses Choose DCT
DCT’s Skilled Management Team has more than twenty-five years of experience and expertise in the local business environment, coupled with a highly motivated group of employees, positions us as the preferred supplier among the major customers in the industry.
DCT Competitive Edge is the prompt response to our customer needs, the online and on-site direct technical support, professional consulting for the best cost/performance solution, on-time delivery, long-term maintenance, and support.
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