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1550nm Gigabit SFP Module Transceiver , SFP Copper Module BiDi WDM 20km

1550nm Gigabit SFP Module Transceiver , SFP Copper Module BiDi WDM 20km
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Product Name: Industrial Gigabit SFP Fiber Transceiver
Wavelength: 1310nm/1550nm, WDM
Distance: 20Km, Single Mode
Port: LC Fiber
Rate: 1.25Gb/s, Gigabit
Working Temp: -40°~85°C
Application: 1000Base-LX Ethernet, Metro/Access Networks
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1550nm Gigabit SFP Module Transceiver


WDM SFP Module Transceiver


WDM SFP Copper Module

Basic Infomation
Place of Origin: Shenzhen, China
Brand Name: Olycom
Certification: CE RoHS FCC
Model Number: OSBL1G20D-35
Payment & Shipping Terms
Packaging Details: 1 piece in 1 carton. 0.2KG/pcs
Delivery Time: 3~7 working days
Payment Terms: T/T, Paypal
Supply Ability: 3000Pcs per week
Product Description

Gigabit Industrial LC Fiber Module SFP Transceiver BiDi WDM 20km 1310nm




  • OLYCOM OSBL1G20D-35 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 1310 nm FP laser, up to 14dB link budge ensure this module 1000Base-LX Ethernet 20km application.




  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. -40°C to 85°C/-5°C to 85°C/-0°C to 70°C Version available
  11. RoHS compliant and Lead Free


Optical Parameters


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  



  • 1×Fibre Channel
  • Other Optical Links

1550nm Gigabit SFP Module Transceiver , SFP Copper Module BiDi WDM 20km 0

1550nm Gigabit SFP Module Transceiver , SFP Copper Module BiDi WDM 20km 1







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Contact Person : Simon
Tel : 86-152 3714 9683
Fax : 86-755-83129773
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