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DDM Optical Fiber Transceiver

Shenzhen Nufiber Systems Technology Co., Ltd.

DDM Optical Fiber Transceiver

Brand Name : NuFiber

Model Number : GE-BX20-SM1310/1550

Certification : CE FCC

Place of Origin : China

MOQ : 1 piece

Payment Terms : L/C, T/T, Western Union

Supply Ability : 100,000 pcs per month

Delivery Time : 1-3 work days

Packaging Details : 10pcs/plastic bag, 200pcs/carton

Speed : 1.25Gbs

Wavelength : Tx1310nmRx1550nm

Distance : 20KM

Connector : LC

DDM : Support

Fiber Type : single fiber Singlemode

Power Supply : 3.3V

Compatibility : Cisco, Huawei, HP...

Manufacturer : Yes

Working Temp. : 0~70℃

Warranty : 1 years

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1.25Gb SFP bidi LC 20km 1310/1550nm DDM optical fiber transceiver module compatible Cisco,huawei,HP,Aruba etc.


NuFiber’s GE-BX20-SM1310 and GE-BX20-SM1550 Transceiver 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.


  • Up to 1.25Gb/s Data Links
  • Hot-Pluggable
  • Single LC connector
  • Up to 20km on 9/125μm MMF
  • 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


  • Metro/Access Networks
  • 1.25 Gb/s 1000Base-LX Ethernet
  • 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 1360 nm
Spectral Width(RMS) σRMS 3 nm
Optical Output Power Pout -9 -3 dBm 1
Extinction Ratio ER 8.2 dB
Optical Rise/Fall Time tr / tf 260 ps 2
Relative Intensity Noise RIN -120 dB/Hz
Output Eye Mask Compliant with IEEE802.3 z (class 1 laser safety)
Receiver Section:
Optical Input Wavelength λc 1260 1360 nm
Receiver Overload Pol -3 dBm 4
RX Sensitivity Sen -24 dBm 4
RX_LOS Assert LOS A -35 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 15 dB

Ordering information

1.25G SFP Dual fiber
GE-SX-MM850 1.25Gbps, 850nm MM 500m Dual LC, DDM 0°C~+70°C
GE-SX-MM1310 1.25gbps, 1310nm MM 2km Dual LC, DDM 0°C~+70°C
GE-LX20-SM1310 1.25Gbps, 1310nm SM 20km Dual LC, DDM 0°C~+70°C
GE-LX40-SM1310 1.25Gbps, 1310nm SM 40km Dual LC, DDM 0°C~+70°C
GE-LX60-SM1550 1.25Gbps, 1550nm SM 60km Dual LC, DDM 0°C~+70°C
GE-LX80-SM1550 1.25Gbps, 1550nm SM 80km Dual LC, DDM 0°C~+70°C
GE-LX120-SM1550 1.25Gbps, 1550nm SM 120km Dual LC, DDM 0°C~+70°C
1.25G SFP Single fiber
GE-BX10-SM1310/1550 1.25Gbps, BiDi 1310nm/1550nm SM 10km LC,DDM 0°C~+70°C
GE-BX20-SM1310/1550 1.25Gbps, BiDi 1310nm/1550nm SM 20km LC, DDM 0°C~+70°C
GE-BX40-SM1310/1550 1.25Gbps, BiDi 1310nm/1550nm SM 40km LC, DDM 0°C~+70°C
GE-BX60-SM1310/1550 1.25Gbps, BiDi 1310nm/1550nm SM 60km LC, DDM 0°C~+70°C
GE-BX80-SM1310/1550 1.25Gbps, BiDi 1310nm/1550nm SM 80km LC, DDM 0°C~+70°C
GE-BX100-SM1310/1550 1.25Gbps, BiDi 1310nm/1550nm SM 120km LC, DDM 0°C~+70°C
SFP-GE-CW40-xx 1470-1610nm CWDM 40km DDM 1.25G
SFP-GE-CW60-xx 1470-1610nm CWDM 86km DDM 1.25G
SFP-GE-CW80-xx 1470-1610nm CWDM 80km DDM 1.25G
SFP-GE-CW120-xx 1470-1610nm CWDM 120km DDM 1.25G
SFP-GE-CW160-xx 1470-1610nm CWDM 160km DDM 1.25G
SFP-GE-DW40-CHxx DWDM SFP 40km DDM 1.25G
SFP-GE-DW80-CHxx DWDM SFP 80km DDM 1.25G
SFP-GE-DW120-CHxx DWDM SFP 120km DDM 1.25G
SFP-GE-DW160-CHxx DWDM SFP 160km DDM 1.25G

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DDM Optical Fiber Transceiver

DDM Optical Fiber Transceiver

DDM Optical Fiber Transceiver

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DDM Optical Fiber Transceiver

DDM Optical Fiber Transceiver

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DDM Optical Fiber Transceiver


DDM Optical Fiber Transceiver

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