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FRM220-FXO-FXS-SC02B POTS (RJ11) over multimode single strand fiber converter, telephone line extender, SC 2Km, B type

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MSRP: $699.00
Price: $499.00
In stock. 1 units available for immediate delivery.
Manufacturer: CTCUnion
Manufacturer Part No: FRM220-FXO-FXS-SC02B
Interface Type: POTS line
Management: web-managed, SNMP
Wavelength: 1310nm
Tx Distance: 2Km
Connectors: SC, RJ11
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-FXO-FXS-SC02B
FRM220-FXO-FXS-SC02BFRM220-FXO-FXS-SC02B
Product description
The FRM220-FXO-FXS-SC02B is a POTS (RJ11) port over fiber optic media converter. The PSTN two-wire POTS telephone port can be configured either as an FXO (PBX trunk) or FXS (telephone set/fax machine/dial-up modem) device just by a simple DIP switch setting. Using a pair of converters, a telephone line can be extended over a fiber optic circuit, providing full service and features like Caller ID. The converter can be used in service mode, alowing connection of 2 telephone sets in between. FRM220-FXO-FXS-SC02B operates on multimode fiber up to 2Km (1.3mi) distance and it is using a SINGLE STRAND of multi-mode fiber, either 62.5/125um or 50/125um. The fiber media converter has only one SC type optical connector and does the BiDirectional communication using Tx: 1310nm and Rx: 850nm wavelengths.

An FRM220-FXO-FXS-SC02B must be paired with FRM220-FXO-FXS-SC02A model, which is acting complementary over the fiber, using Tx: 850nm and Rx: 1310nm.
The BiDirectional model is saving precious strands of fiber for very little price difference. When fiber is scarce, using a BiDirectional model will halve the fiber requirements while providing absolutely same performance as a dual strand model.

When the FRM220-FXO-FXS-SC02A (or B) POTS over fiber converter is placed in the FRM220 rack with in-band and SNMP management, the converters status, type, version, fiber link status, POTS RJ11 port status and alarms can all be displayed. Configuration is also available to enable or disable the port, reset the port, do far end fault setting, and initiate local or far end loop-back tests.

Technical specifications
POTS Line: FXO (Impedance:600ohms, REN:0.4), FXS (Feedback Voltage: 48VDC, Ring: 90Vp-p)
Interfaces: RJ11 port 600Ohms and single SC BiDirectional 155M fiber port
Operating wavelength: Tx: 1310nm / Rx:850nm multimode
Operating distance: 2Km on 62.5/125um or 50/125um fiber
Optical connector: SC single connector
Front LEDs: Power, Fiber Link, Di/Do, Test mode
Power: External 90-260V AC switching adapter 9VDC@1A with NEMA1-15(2 blades only), US type main plug
Temperature: 0 50°C (Operating); 0 70°C (Storage)
Humidity: 20 80% non condensing (Operating); 0 90% (Storage)
Consumption: less than 5W
Dimensions(WxDxH): 88mm x 155mm x 23mm
Weight: 330g (without AC adapter)
Compliance: CE, FCC Class A
MTBF: 65,000 hours


Fiber power budget for multimode BiDIrectional models
Model Distance Lambda Min. Output (dBm) Sensitivity (dBm) Power Budget (dB)
FRM220-FXO-FXS-SC02A 2Km T:850/R:1310nm -20 -31 11
FRM220-FXO-FXS-SC02B 2Km T:1310/R:850nm -20 -31 11


Additional information on FRM220-FXO-FXS-SC02B: PDF datasheet; PDF Installation Manual.

Note: Versions of FRM220-FXO-FXS converters 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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