Module quang SFP Singlemode 1.25Gb/s, 1 sợi SC, 20km DDM

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  • Mã SPNF-3000-C20A/B
  • Hãng sản xuấtNUFIBER
  • Số lượng đã bán203
  • Phí vận chuyểnFREESHIP
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Detailed Product Description
Speed: 1.25Gb/s Wavelength: 1310nm/1550nm
Distance: 20KM Connector: SC
DDM: Support Fiber Type: Single Fiber Singlemode
Power Supply: 3.3V Compatibility: Cisco, Huawei, HP…
Manufacturer: Yes Working Temp.: 0~70℃
Warranty: 1 Years

1.25Gb/s SFP Transceiver single fiber singlemode 20km 1310nm/1550nm SC DDM


NuFiber’s GE-BX20-SM1310S and GE-BX20-SM1550STransceivers are a high performance, cost effective module which have a single SC optics interface. They are compatible with the Small Form Factor Pluggable Multi-Sourcing Agreement (MSA) and Digital diagnostics functions are available via the 2-wire serial bus specified in SFF-8472. The receiver section uses a PIN receiver and the transmitter uses a 1310 nm FP laser, up to 14dB link budge ensure this module 1000Base-LX Ethernet 20km application.




  • Up to 1.25Gb/s Data Links
  • Hot-Pluggable
  • Single SC connector
  • Up to 20 km on 9/125μm SMF
  • 1310nm FP laser transmitter
  • 1550nm PIN photo-detector
  • Single +3.3V Power Supply
  • Monitoring Interface Compliant with SFF-8472
  • Maximum Power <1W
  • Industrial /Extended/ Commercial operating temperature range: -40°C to 85°C/-5°C to 85°C/-0°C to 70°C Version available
  • RoHS compliant and Lead Free



  • 1000Base-LX Ethernet
  • Metro/Access Networks
  • 1×Fiber Channel
  • Other Optical Links


Optical Parameters(TOP = -40 to 85°C, VCC = 3.135 to 3.465 Volts)

Parameter Symbol Min. Typical Max. Unit Note
Transmitter Section:
Center Wavelength λc 1270 1310 1600 nm
Spectral Width(RMS) σRMS 4 nm
Optical Output Power Pout -9 -3 dBm 1
Extinction Ratio ER 9 dB
Optical Rise/Fall Time tr / tf 260 ps 2
Relative Intensity Noise RIN -120 dB/Hz
Total Jitter Contribution TX Δ TJ 0.284 UI 3
Eye Mask for Optical Output Compliant with IEEE802.3 z (class 1 laser safety)
Receiver Section:
Optical Input Wavelength λc 1530 1550 1570 nm
Receiver Overload Pol -3 dBm 4
RX Sensitivity Sen -24 dBm 4
RX_LOS Assert LOS A -40 dBm
RX_LOS De-assert LOS D -25 dBm
RX_LOS Hysteresis LOS H 0.5 dB
General Specifications:
Data Rate BR 1.25 Gb/s
Bit Error Rate BER 10-12
Max. Supported Link Length on 9/125μm SMF@1.25Gb/s LMAX 20 km
Total System Budget LB 14 dB

Địa chỉ: Tầng 4 tòa nhà HUD3 Tower, số 121-123 đường Tô Hiệu, Phường Nguyễn Trãi, Quận Hà Đông, Thành Phố Hà Nội
Tel: 024 6673 5252
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