TP-LINK TL-SM312LS-40KM Gigabit Single Mode Dual Fiber SFP Optical Module

Brand: TP-LINK
Model: TL-SM312LS-40KM

Use hot-swappable SFP package Full-duplex optical transceiver module Complies with SFP MSA, IEEE 802.3z standards Up to 1.25Gbps Single-mode fiber transmission, up to 40KM Dual fiber LC optical port, central wavelength 1310nm Built-in digital diagnosis function Working voltage 3.3V Shell working temperature 0℃ ~ 70℃ Supported standards IEEE 802.3z Transmission medium Single mode fiber Transmission distance 40KM Transmission rate 1.25Gbps Port type Dual Fiber LC Center wavelength 1310nm Operating Voltage 3.3V Working temperature of housing 0°C ~ 70°C Light parameter Transmitting optical power: -9 ~ -3dBm Receiving sensitivity: -21dBm

Product Features


  • Use hot-swappable SFP package
  • Full-duplex optical transceiver module
  • Complies with SFP MSA, IEEE 802.3z standards
  • Up to 1.25Gbps
  • Single-mode fiber transmission, up to 40KM
  • Dual fiber LC optical port, central wavelength 1310nm
  • Built-in digital diagnosis function
  • Working voltage 3.3V
  • Shell working temperature 0℃ ~ 70℃

Technical Specifications

Property DescriptionProperty Value
Supported standardsIEEE 802.3z
Transmission mediumSingle mode fiber
Transmission distance40KM
Transmission rate1.25Gbps
Port typeDual Fiber LC
Center wavelength1310nm
Operating Voltage3.3V
Working temperature of housing0°C ~ 70°C
Light parameterTransmitting optical power: -9 ~ -3dBm Receiving sensitivity: -21dBm