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FRM220-SERIAL-SC20A - RS-232, RS-485, RS-422 over single strand fiber WDM BiDi media converter, 20Km, A type

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MSRP: $275.00
Price: $195.00
In stock. 8 units available for immediate delivery.
Manufacturer: CTCUnion
Manufacturer Part No: FRM220-SERIAL-SC20A
Interface Type: RS-232, RS-485
Management: web-managed, SNMP
Wavelength: T1310/R1550nm
Tx Distance: 20Km
Connectors: SC, screw block
Ships same day for orders placed before 3:30PM PST

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No casing - card only (-$10.00)
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FRM220-SERIAL-SC20A
AC adapter is included in the package. The A model MUST be paired with the B ending model for a BiDirectional fiber link to operate properly.

Product description

The FRM220-SERIAL-SC20A 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:1310/Rx:1550nm with the complementary FRM220-SERIAL-SC20B model having Tx:1550nm and Rx:1310nm 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 the FRM220 series chassis equipped with FRM220-NMC management 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:1310nm / Rx:1550nm
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 - 60°C (Operating); -10 - 85°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


Fiber power budget according to available models
Model Distance Lambda Min. Output (dBm) Sensitivity (dBm) Power Budget (dB)
FRM220-SERIAL-SC002 2Km 1310nm -20 -31 11
FRM220-SERIAL-SC015 15Km 1310nm -24 -35 11
FRM220-SERIAL-SC030 30Km 1310nm -15 -35 20
FRM220-SERIAL-SC050 50Km 1310nm -8 -36 28
FRM220-SERIAL-SC080 80Km 1550nm -5 -34 29
FRM220-SERIAL-SC120 120Km 1550nm 0 -35 35
FRM220-SERIAL-SC20AF 20Km Tx:1310nm Rx:1550nm -15 -32 17
FRM220-SERIAL-SC20BF 20Km Tx:1550nm Rx:1310nm -18 -32 14
FRM220-SERIAL-SC40AF 40Km Tx:1310nm Rx:1550nm -7 -32 25
FRM220-SERIAL-SC40BF 40Km Tx:1550nm Rx:1310nm -8 -32 24
FRM220-SERIAL-SC60AF 60Km Tx:1310nm Rx:1550nm -5 -34 29
FRM220-SERIAL-SC60BF 60Km Tx:1550nm Rx:1310nm -5 -34 29
FRM220-SERIAL-SC80AF 80Km Tx:1310nm Rx:1550nm -2 -34 32
FRM220-SERIAL-SC80BF 80Km Tx:1550nm Rx:1310nm -2 -34 32


Additional information on FRM220-SERIAL: PDF datasheet; PDF Installation Manual.

Note: Currently only some of the FRM220-SERIAL models are always available on stock, equipped with SC or ST type optical connectors. These models are: Multimode 1310nm - 2Km SC and ST based, Singlemode 1310nm - 15Km SC and ST based and 50Km SC based only and WDM BiDirectional A and B type - 20Km SC based. On special request of customer, based on manufacturer confirmation, all other FRM220-SERIAL media converters can be provided, manufacturing lead time averaging 15 days. Versions of FRM220-SERIAL with ST or FC optical connectors are available on request. For such converters, please contact our sales department by e-mail or call us.

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