Finisar FCLF-8521-3 Transceiver Module FCLF-8521-3 user manual

Summary of the content on the page No. 1

Finisar
Product Specification
1000BASE-T Copper SFP Transceiver
FCLF-8520/8521-3

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

Applications
• Access to physical layer IC via 2-wire

serial bus
• 1.25 Gigabit Ethernet ove

Summary of the content on the page No. 2

FCLF-8520/8521-3 1000BASE-T SFP Product Specification Finisar I. SFP to Host Connector Pin Out Pin Symbol Name/Description Note 1 V Transmitter ground (common with receiver ground) 1 EET 2 T Transmitter Fault. Not supported FAULT 3 T Transmitter Disable. PHY disabled on high or open 2 DIS 4 MOD_DEF(2) Module Definition 2. Data line for serial ID 3 5 MOD_DEF(1) Module Definition 1. Clock line for serial ID 3 6 MOD_DEF(0) Module Definition 0. Grounded within the module 3 7 Rate S

Summary of the content on the page No. 3

FCLF-8520/8521-3 1000BASE-T SFP Product Specification Finisar II. +3.3V Volt Electrical Power Interface The FCLF-8520/8521-3 has an input voltage range of 3.3 V +/- 5%. The 4 V maximum voltage is not allowed for continuous operation. +3.3 Volt Electrical Power Interface Parameter Symbol Min Typ Max Units Notes/Conditions Supply Current I 320 375 mA 1.2W max power over s full range of voltage and temperature. See caution note below Input Voltage V 3.13 3.3 3.47 V Referenced to

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FCLF-8520/8521-3 1000BASE-T SFP Product Specification Finisar IV. High-Speed Electrical Interface All high-speed signals are AC-coupled internally. High-Speed Electrical Interface, Transmission Line-SFP Parameter Symbol Min Typ Max Units Notes/Conditions Line Frequency f 125 MHz 5-level encoding, per L IEEE 802.3 Tx Output Impedance Z 100 Ohm Differential, for all out,TX frequencies between 1MHz and 125MHz Rx Input Impedance Z 100 Ohm Differential, for all in,RX f

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FCLF-8520/8521-3 1000BASE-T SFP Product Specification Finisar V. General Specifications General Parameter Symbol MinTyp Max Units Notes/Conditions Data Rate BR 10 1,000 Mb/sec IEEE 802.3 compatible. See Notes 2 through 4 below -12 Cable Length L 100 m Category 5 UTP. BER <10 Table 6. General specifications Notes: 1. Clock tolerance is +/- 50 ppm 2. By default, the FCLF-8520/8521-3 is a full duplex device in preferred master mode 3. Automatic crossover detection is enabled

Summary of the content on the page No. 6

FCLF-8520/8521-3 1000BASE-T SFP Product Specification Finisar Serial Bus Timing Requirements Parameter Symbol Min TypMax Units Notes/Conditions 2 I C Clock Rate 0 100,000 Hz Table 8. Serial bus timing requirements VIII. Mechanical Specifications The host-side of the FCLF-8520/8521-3 conforms to the mechanical specifications 1 outlined in the SFP MSA . The front portion of the SFP (part extending beyond the face plate of the host) is larger to accommodate the RJ-45

Summary of the content on the page No. 7

FCLF-8520/8521-3 1000BASE-T SFP Product Specification Finisar IX. References 1. Small Form Factor Pluggable (SFP) Transceiver Multi-Source Agreement (MSA), September 2000. Documentation is currently available at Finisar upon request. 2. IEEE Std 802.3, 2002 Edition. IEEE Standards Department, 2002. 2 4. “AT24C01A/02/04/08/16 2-Wire Serial CMOS E PROM”, Atmel Corporation. www.Atmel.com 5. “Alaska Ultra 88E1111 Integrated 10/100/1000 Gigabit Ethernet Transceiver”, Marvell Corpo