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QSFP-40G-ER4-40KM | 40G QSFP+ Optical Transceiver
QSFP-40G-ER4-40KM | 40G QSFP+ Optical Transceiver

Our Price: $785.00

Warranty: 1 Year Warranty

Product Code: QSFP-40G-ER4-40KM

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40GBase-ER4 QSFP+ Optical Transceiver Module (SMF, 1310nm, 40km, LC, DOM).


  • Hot-pluggable QSFP+ form factor
  • Supports 39.8 Gb/s to 41.3 Gb/s aggregate bit rates
  • Power dissipation < 3.5W
  • 18.5 dB link insertion loss budget
  • RoHS-6 compliant
  • Commercial case temperature range 0░C to 70░C
  • Single 3.3V power supply
  • Maximum link length of 40km on Single Mode Fiber (SMF)
  • Uncooled 4x10Gb/s CWDM transmitter
  • XLPPI electrical interface
  • Duplex LC receptacles
  • Built-in digital diagnostic functions, including Tx/Rx power monitoring


  • 40GBASE-ER4 40G Ethernet


  • Part Number: QSFP-40G-ER4-40KM
  • Product Type: Transceiver Module
  • Form Factor: QSFP+
  • Data Rate (max): 41.2Gb/s
  • Distance (max): 40KM
  • Transmitter: DFB CWDM
  • Receiver: PIN
  • Digital Diagnostic: Yes
  • Connector: Duplex LC
  • Cable Type: SMF
  • Wavelength: 1310nm Band
  • Operating Temperature: 0 to 70░C (32 to 158░F)

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