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.
|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|
Fiber power budget for multimode BiDIrectional models
|Model||Distance||Lambda||Min. Output (dBm)||Sensitivity (dBm)||Power Budget (dB)|
|Dimensions||8 × 6 × 4 in|