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D-Link DEM-331R/DEM-331T 1.25G SFP BiDi Transceiver

Jeirdus ★ 3.6/5 · ItemOracle Score Mid-Range

$40 USD
Price subject to change
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for D-Link DEM-331R and DEM-331T 1.25G SFP Module BIDI WDM Transceiver 40KM Simplex LC (1Pair)

BiDi SFP transceiver for 1000BASE-BX-U/BX-D. Supports up to 40km over a single LC connector. Compatible with D-LINK DEM-331T/R modules

Highlights

  • 1.25 Gb/s BiDi SFP
  • 40 km reach over single LC
  • Compatible with DEM-331T/R

Pros

  • Bidirectional SFP support
  • Long-reach up to 40km
  • Single LC connector
  • 1.25 Gb/s data rate
  • Compatible with DEM-331T/R modules

Cons

  • Limited to 1.25 Gb/s speed
  • Only compatible with D-LINK DEM-331T/R modules
  • No price or availability information included

Best For

  • long-distance fiber link upgrades
  • connectivity for small to medium office networks
  • replacement transceiver for D-LINK DEM-331T/R
  • fiber segment interconnect with single LC
  • BDI/bi-directional links in compact setups

Features

  • Compatible with D-LINK DEM-331T/R WDM SFP modules for bidirectional use
  • Supports 1000BASE-BX-U and 1000BASE-BX-D with bidirectional SFP optics
  • Single LC duplex fiber, up to 40 km transmission distance
  • Wavelength pairing: TX1310nm/RX1550nm and TX1550nm/RX1310nm
  • Includes testing and compatibility validation across brands; CE and FCC compliant with warranty

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