SMF LC Connector 1.25G SFP Module , Single Fiber Transceiver 1310nm / 1550nm 20km

Brand Name:Olycom
Certification:CE RoHS FCC
Model Number:OSBL1G20D-35
Minimum Order Quantity:1Pcs
Delivery Time:3~7 working days
Payment Terms:T/T, Paypal
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Location: Shenzhen China
Address: 4/F, 2-3 Building, Tongfuyu Industrial Zone, Aiqun Rd, Shiyan, Baoan District, Shenzhen, China
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Product Details Company Profile
Product Details

One Pair 1.25G SFP Module Single Fiber Transceiver 1310nm/1550nm SMF 20km


Introduction of SFP Transceiver


OLYCOM’s OSBL1G20D-53 Transceivers are a high performance, cost effective module which have a single LC 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 1550 nm DFB laser, up to 14dB link budge ensure this module 1000Base-LX Ethernet 20km application.

Features of SFP Transceiver


  1. Up to 1.25Gb/s Data Links
  2. Hot-Pluggable
  3. Single LC connector
  4. Up to 20 km on 9/125μm SMF
  5. 1310nm FP laser transmitter
  6. 1550nm PIN photo-detector
  7. Single +3.3V Power Supply
  8. Monitoring Interface Compliant with SFF-8472
  9. Maximum Power <1W
  10. Commercial operating temperature range: --0°C to 70°C
  11. RoHS compliant and Lead Free

Optical Parameters of SFP Transceiver


ParameterSymbolMin.TypicalMax.UnitNote
Transmitter Section:
Center Wavelengthλc127013101600nm
Spectral Width(RMS)σRMS4nm
Optical Output PowerPout-9-3dBm1
Extinction RatioER9dB
Optical Rise/Fall Timetr / tf260ps2
Relative Intensity NoiseRIN-120dB/Hz
Total Jitter ContributionTX Δ TJ0.284UI3
Eye Mask for Optical OutputCompliant with IEEE802.3 z (class 1 laser safety)
Receiver Section:
Optical Input Wavelengthλc153015501570nm
Receiver OverloadPol-3dBm4
RX SensitivitySen-24dBm4
RX_LOS AssertLOS A-40dBm
RX_LOS De-assertLOS D-25dBm
RX_LOS HysteresisLOS H0.5dB
General Specifications:
Data RateBR1.25Gb/s
Bit Error RateBER10-12
Max. Supported Link Length on 9/125μm SMF@1.25Gb/sLMAX20km
Total System BudgetLB14dB

Application of SFP Transceiver


  • 1000Base-LX Ethernet

  • Metro/Access Networks

  • 1×Fibre Channel
  • Other Optical Links






Shenzhen OLYCOM Technology Co., Ltd. was established in 2005. It is a national high-tech enterprise specializing in the R&D, production, and sales of fiber optic transmission equipment.


The main products are industrial fiber switches, industrial POE switches, industrial managed switches, WDM/OTN transmission series, optical cable detection series, fiber media converters, fiber optic switches, POE switches, video optical converters, etc. OEM/ODM service is available since OLYCOM has strong R&D and service capabilities.


China SMF LC Connector 1.25G SFP Module , Single Fiber Transceiver 1310nm / 1550nm 20km supplier

SMF LC Connector 1.25G SFP Module , Single Fiber Transceiver 1310nm / 1550nm 20km

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