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RS-232, RS-485, RS-422 over single strand fiber BiDi media converter, 20Km, B type
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RS-232, RS-485, RS-422 over single strand fiber BiDi media converter, 20Km, B type

CTC Union Part No.: FRM220-SERIAL-SC20B

  • $ 195.00 or


The FRM220-SERIAL-SC20B provides a fiber converter solution to extend RS-232 or RS-485/422 transmission distance up to 20km over a single strand of single mode 9/125um fiber. You must pair the A model using Tx:1550/Rx:1310nm with the complementaryFRM220-SERIAL-SC20Amodel having Tx:1310nm and Rx:1550nm instead. The converter is equipped with multiple interface circuits, for connection to RS-232, RS-423, or RS-485/422 (2 or 4 wire). The FRM220-SERIAL secures data transmission over EMI resistant fiber at speeds up to 256kbps for RS-232 or up to 1024kbps for RS-422/485. When the FRM220-SERIAL is linked to theFRM220series chassis equipped withFRM220-NMCmanagement card , it allows network administrators/engineers to get greater functionality through advanced SNMP/Web/In-band management features. The network administrator can manage any converter module from anywhere on the network, detect any link loss and maintain each loop.

The uniqueness of FRM220 series is given by the ability to convert from standalone media converters to cards for FRM220 chassis, in matter of minutes. In an always changing and growing networking environment, such a versatile feature allows network operators to switch to higher density and aggregation hubs without the need to purchase new fiber optic converters. This simple, but so reliable idea, made the FRM220 series media converters the perfect choice of media converters by data carriers and service providers.

There is only one product (media converter) that does support all three mentioned serial data interfaces. This provides customers with an extra level of flexibility when investing in their network infrastructure.

Technical specifications

Interfaces: 6 pin screw block connector for RS-485/RS-232/RS-422 serial asynchronous port and SC, ST or FC 155M fiber port
Operating wavelength: Tx:1550nm / Rx:1310nm
Operating distance: up to 20Km on a single strand of 9/125um SM fiber
Optical connector: single SC (ST or FC available on request)
Front LEDs: PWR, DI, DO, Test, FX Link
Power: External 90-260V AC switching adapter 12VDC@1A with NEMA1-15(2 blades only), US type main plug
Temperature: 0 ~ 6°C (Operating); -10 ~ 8°C (Storage)
Humidity: 10 90% non condensing (Operating); 0 90% (Storage)
Consumption: less than 5W
Dimensions(WxDxH): 85.6mm x 122.6mm x 20mm
Weight: 330g (without AC adapter)
Compliance: CE, FCC Class A
MTBF: 65,000 hours

Product Sheet:

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