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Small rectangular SFP+ transceiver module with metallic silver finish and side bail latch

Finisar Corporation

Finisar FTLX8574D3BCV 1G/10G Dual-Rate SFP+ switch module

SKU CH-GDB1-HYYG7

Dual-rate SFP+ transceiver for 1G and 10G Ethernet over multimode fibre with digital diagnostics

  • Dual-rate 1G/10G operation for flexible network speeds
  • SFF-8431 and IEEE 802.3-2012 compliant for broad switch compatibility
  • Digital diagnostics via SFF-8472 2-wire interface for link monitoring
  • Limiting receiver design works with EDC PHY ICs per manufacturer settings
  • RoHS Directive 2011/65/EU compliant for restricted substance limits

Dual-Rate SFP+ Module for 1G and 10G Ethernet

The Finisar FTLX8574D3BCV is a dual-rate SFP+ optical transceiver built for 1-Gigabit and 10-Gigabit Ethernet links over multimode fiber. It complies with SFF-8431, IEEE 802.3-2012 10GBASE-SR/SW and 1000BASE-SX standards. Digital diagnostics are provided through a 2-wire serial interface per SFF-8472. This module is intended for applications specifically designed for 10G SFP+ ports and 1G/10G SFP+ ports.

Hot-Plug Installation with Limiting Receiver Note

The SFP+ form factor supports hot-plug installation into compatible switch or router ports without powering down the system. The transceiver uses a limiting receiver design; host boards employing an EDC PHY IC must follow the IC manufacturer's recommended settings to ensure interoperability. Improper PHY configuration is the most common cause of link failures with limiting modules.

Verify Port Compatibility and Application Note

Before ordering, confirm that your equipment uses 10G SFP+ ports or 1G/10G dual-rate SFP+ ports, as this module is not compatible with native 1G SFP ports. Check that your switch or router firmware supports dual-rate operation and SFF-8472 diagnostics. Consult Finisar Application Note AN-2038 for detailed design and interoperability guidance.

Highlights

  • Dual-rate 1G/10G operation for flexible network speeds
  • SFF-8431 and IEEE 802.3-2012 compliant for broad switch compatibility
  • Digital diagnostics via SFF-8472 2-wire interface for link monitoring
  • Limiting receiver design works with EDC PHY ICs per manufacturer settings
  • RoHS Directive 2011/65/EU compliant for restricted substance limits

Specifications

BrandFinisar Corporation

Questions about this item

How do I verify the module is operating correctly after installation?

Check the digital diagnostics via the 2-wire serial interface defined in SFF-8472; it reports real-time temperature, voltage, bias current and optical power.

What ships with the transceiver and what must I source separately?

The module itself is supplied; you must provide LC duplex multimode patch cords and a host switch or router with SFP+ cages that support 1G/10G dual-rate operation.

Which part number should I select for a 10GBASE-SR link over multimode fibre?

Choose the FTLX8574D3BCV; it is compliant with IEEE 802.3-2012 10GBASE-SR/SW and 1000BASE-SX for dual-rate 1G/10G Ethernet over multimode fiber.

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