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Finisar SFP+ transceiver module with LC duplex ports

Finisar Corporation

Finisar Corporation FTLX8571D3BCV-IT 1G/10G Dual Rate SFP Transceiver 850nm 300m

SKU CH-2BKQ-KJ707

Dual-rate SFP transceiver supports 1 Gbps and 10 Gbps over 850 nm multimode fibre up to 300 m

  • Port countLC duplex
  • Product typeTransceiver
  • Optical wavelength850 nm
  • Supported protocolsHCRP, SPP
  • Maximum range300m
  • Transfer speed10 Gbit/s
  • Dual-rate 1G/10G flexibility supports mixed networks
  • 850nm wavelength optimised for short-reach multimode fibre
  • LC duplex port enables standard patch-cord connections
  • 300m maximum reach covers typical data-centre links
  • 10Gbps transfer rate delivers high-throughput performance

1G/10G Dual-Rate SFP Transceiver

The Finisar FTLX8571D3BCV-IT is a dual-rate SFP transceiver supporting both 1G and 10G Ethernet links. It operates at an 850nm wavelength over multimode fibre with LC duplex connectors. This module suits network engineers upgrading enterprise switches or adding short-reach uplinks in data-centre racks. It is not intended for single-mode fibre runs or distances beyond the specified reach.

Thermals and Power in Normal Use

The transceiver draws low power typical for SFP form-factor optics during standard operation. Heat output remains modest inside a populated switch chassis with normal airflow. Acoustic contribution is negligible because the module has no moving parts. The industrial temperature rating ensures stable performance across a wide operating range without additional cooling measures.

Build Quality and Daily Connectivity

The unit ships new with an LC duplex interface that locks securely into standard SFP cages. Its compact dimensions allow dense port population side by side without mechanical interference. The housing protects the optical interface from dust when cables are removed. Installers should verify switch vendor compatibility lists before deployment to avoid firmware lockouts.

How it compares

Measured against everything we stock in SFP & SFP+ Transceiver Modules, at today’s prices. Recalculated every night.

Price $18.99
Cheaper than about 94% of the 1,471 comparable items (median $138.99).

Specifications

Product
Brand nameFinisar Corporation
Model nameFTLX8571D3BCV-IT
Product typeTransceiver
Performance
Transfer speed10 Gbit/s
Connectivity
Optical wavelength850 nm
Supported protocolsHCRP, SPP
Maximum range300m
Ports & slots
Port countLC duplex

Questions about this item

How do I install the FTLX8571D3BCV-IT transceiver and what is the common mistake with the LC duplex ports?

Slide the module into an SFP+ cage until the latch clicks, then insert the LC duplex patch cable with the correct Tx/Rx orientation; the step often missed is reversing the fibres at one end so Tx connects to Rx.

What maintenance or replacement will the 850nm dual-rate module need over time?

The optical interfaces should be inspected and cleaned with a lint-free swab and isopropyl alcohol whenever links show errors; the transceiver itself has no user-serviceable parts and is replaced only if the laser degrades.

What limit appears first when the transceiver runs continuously at 10 Gbps over 300 m?

The 300 m reach on OM3 multimode fibre is the first constraint; beyond that distance the 850 nm signal attenuates too much for reliable 10 Gbps operation.

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