Finisar FCLF-8521-3 Fiber SFP Modules RJ45 Transceiver FTLC8522P2BLT

Finisar FCLF-8521-3 original Gigabit electric port light-to-electric RJ45 module industrial grade FTLC8522P2BLT

Product Features

* Up to 1.25Gb/s bi-directional data links

* Hot-pluggable SFP footprint

* Extended case temperature

range (0°C to +85°C )

* Fully metallic enclosure for low EMI

* Low power dissipation (1.05 W typical)

* Compact RJ-45 connector assembly

* RoHS compliant and Lead Free

* Access to physical layer IC via 2-wire

serial bus

* 10/100/1000 BASE-T operation in host

systems with SGMII interface

Product Applications

* 1.25 Gigabit Ethernet over Cat

5 cable

Finisar’s FCLF-8520/8521-3 1000BASE-T Copper Small Form Pluggable (SFP)

transceivers are based on the SFP Multi Source Agreement (MSA)

1. They are compatible

with the Gigabit Ethernet and 1000BASE-T standards as specified in IEEE Std 802.3

2. The 1000BASE-T physical layer IC (PHY) can be accessed via I2C, allowing access to

all PHY settings and features.

The FCLF-8520-3 uses the SFP’s RX_LOS pin for link indication, and 1000BASE-X

auto-negotiation should be disabled on the host system. The FCLF-8521-3 is compatible

with 1000BASE-X auto-negotiation, but does not have a link indication feature

(RX_LOS is internally grounded). See AN-2036, “Frequently Asked Questions

Regarding Finisar’s 1000BASE-T SFPs”, for a more complete explanation on the

differences between the two models and details on applications issues for the products.