Finisar FCLF-8521-3 network transceiver module
Contents
1. Ohm Single ended Table 5 High speed electrical interface host SFP Finisar Corporation December 16 2005 RevB Page 4 FCLF 8520 8521 3 1000BASE T SFP Product Specification Finisar vV General Specifications Symbol _ Min Typ Max Units Notes Conditions Data Rate 10 1 000 Mb sec IEEE 802 3 compatible See Notes 2 through 4 below Cabe Lengn 0 m Caegory 5 UTP BER lt 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 External crossover cable is not required 4 10 100 1000 BASE T operation requires the host system to have an SGMII interface with no clocks and the module PHY to be configured per Application Note AN 2036 With a SERDES that does not support SGMII the module will operate at 1000BASE T only VI Environmental Specifications The FCLF 8520 8521 3 has an extended range from 0 C to 85 C case temperature as specified in Table 8 Environmental Specifications Parameter Symbol Notes Conditions i 85 5 C 8 Ambient temperature Table 7 Environmental specifications VII Serial Communication Protocol All Finisar SFPs support the 2 wire serial communication protocol outlined in the SFP MSA These SFPs use an Atmel AT24C01A 128 byte E PROM with an address of AOh For details on interfacing with the E PROM see the At2. Finisar Product Specification 1000BASE T Copper SFP Transceiver FCLF 8520 8521 3 Product Features e Upto 1 25Gb s bi directional data links e Hot pluggable SFP footprint e Extended case temperature range 0 C to 85 C e Fully metallic enclosure for low EMI e Low power dissipation 1 05 W typical e Compact RJ 45 connector assembly e RoHS compliant and Lead Free e Access to physical layer IC via 2 wire Applications serial bus e 1 25 Gigabit Ethernet over Cat e 10 100 1000 BASE T operation in host 5 cable systems with SGMII interface Finisar s FCLF 8520 8521 3 1OOOBASE T Copper Small Form Pluggable SFP transceivers are based on the SFP Multi Source Agreement MSA They are compatible with the Gigabit Ethernet and 1000BASE T standards as specified in IEEE Std 802 3 The 1O00BASE 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 1 OOOBASE X auto negotiation should be disabled on the host system The FCLF 8521 3 is compatible with 1OOOBASE 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 1OOOBASE T SFPs for a more complete explanation on the differences between the two models and details on applications issues for the products PRODUCT SELECTION Part Number Link Indicat
3. _DEF 1 and MOD_DEF 2 must be pulled up to host_Vcc Low Speed Signals Electronic Characteristics Symbol Min Max Units Notes Conditions SFP Output LOW VoL 0 5 V 4 7k to 10k pull up to host_Vcc measured at host side of connector O O p Y eee measured at hokt side of conne tor SFP Input LOW 4 7k to 10k pull up to Vcc measured at SFP side of connector SFP Input HIGH Vec 0 3 V 4 7k to 10k pull up to Vcc measured at SFP side of connector Table 3 Low speed signals electronic characteristics Finisar Corporation December 16 2005 RevB Page 3 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 Symbol__ Min Typ Max Units Notes Conditions TEEE 802 3 Tx Output Impedance Zout TX 100 Ohm Differential for all frequencies between 1MHz and 125MHz Rx Input Impedance ZinRX 100 Ohm Differential for all frequencies between 1MHz and 125MHz Table 4 High speed electrical interface transmission line SFP High Speed Electrical Interface Host SFP Symbol__ Min Typ Max Units _ Notes Conditions Single ended data input Vinsing 250 1200 mV Single ended swing Single ended data output Voutsing 350 800 mV Single ended swing Riseal Time Ta 1 pee poms ooo x Input pedane Z 50 Ohm Sinaleended REx Output impedance Zw 0
4. led on Tpis gt 2 0V or open enabled on Tprs lt 0 8V 3 Should be pulled up with 4 7k 10k Ohms on host board to a voltage between 2 0 V and 3 6 V MOD_DEF 0 pulls line low to indicate module is plugged in 4 LVTTL compatible with a maximum voltage of 2 5V Not supported on FCLF 8521 3 Table 1 SFP to host connector pin assignments and descriptions Towards 5 B voo lt Bezel 1 ye 2 a rau 3 i Disable 4 P MOD DEF 2 7 re Select es Towards VecR a 15 gt 6 Boo o P ASIC Figure 1 Diagram of host board connector block pin numbers and names Finisar Corporation December 16 2005 RevB Page 2 FCLF 8520 8521 3 1000BASE T SFP Product Specification Finisar I 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 Smb Notes Conditions cami Current 320 1 2W max power over full range of voltage and temperature See caution note below Maximum ee Vw ax ia Current Tnurge aa plug above steady state current See caution note below Caution Power consumption and surge current are higher than the specified values in the SFP MSA Table 2 3 3 Volt electrical power interface III Low Speed Signals MOD_DEF 1 SCL and MOD_DEF 2 SDA are open drain CMOS signals see section VII Serial Communication Protocol Both MOD
5. mel data sheet titled AT24C01A 02 04 08 16 2 Wire Serial CMOS E PROM The 1000BASE T physical layer IC can also be accessed via the 2 wire serial bus at address ACh For details interfacing with the PHY IC see Marvell data sheet titled Alaska Ultra 88E1111 Integrated Gigabit Ethernet Transceiver Marvell document number MV S100649 00 Finisar Corporation December 16 2005 RevB Page 5 FCLF 8520 8521 3 1000BASE T SFP Product Specification Finisar Symbol Notes Conditions Table 8 Serial bus timing requirements VIII Mechanical Specifications The host side of the FCLF 8520 8521 3 conforms to the mechanical specifications 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 connector See Figure 2 below for details Pa 13 27 522 ane 3 8 70 2 S 15 2 77 oz 3 vg _ _ 8 46 eee AT 333 a u esr Pa 0 65 10 026 2 57 45 0 e 101 1 77 k 5 dg E ry pi f Pa ilk a im D o 41 8 a 1 64 Figure 2 FCLF 8520 8521 3 mechanical dimensions Finisar Corporation December 16 2005 RevB Page 6 FCLF 8520 8521 3 1000BASE T SFP Product Specification Finisar IX References 1 Small Form Factor Pluggable SFP Transceiver Multi Source Agree
6. ment MSA September 2000 Documentation is currently available at Finisar upon request 2 IEEE Std 802 3 2002 Edition IEEE Standards Department 2002 4 AT24C01A 02 04 08 16 2 Wire Serial CMOS E 7PROM Atmel Corporation www Atmel com 5 Alaska Ultra 88E1111 Integrated 10 100 1000 Gigabit Ethernet Transceiver Marvell Corporation www marvell com X For More Information Finisar Corporation 1389 Moffett Park Drive Sunnyvale CA 94089 1133 Tel 1 408 548 1000 Fax 1 408 541 6138 sales finisar com www finisar com Finisar Corporation December 16 2005 RevB Page 7
7. or on RX_LOS Pin 1000BASE X auto negotiation enabled by default FCLF 8520 3 Yes No FCLF 8521 3 No Yes Finisar Corporation December 16 2005 RevB Page 1 FCLF 8520 8521 3 1000BASE T SFP Product Specification I SFP to Host Connector Pin Out Pin Symbol Name Description Note 1 VEET Transmitter ground common with receiver ground 1 2 TFAULT Transmitter Fault Not supported 3 Tpis Transmitter Disable PHY disabled on high or open 2 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 Select No connection required 8 LOS Loss of Signal indication 4 9 VEER Receiver ground common with transmitter ground 1 10 VEER Receiver ground common with transmitter ground 1 11 VEER Receiver ground common with transmitter ground 1 12 RD Receiver Inverted DATA out AC coupled 13 RD Receiver Non inverted DATA out AC coupled 14 VEER Receiver ground common with transmitter ground 1 15 Vecr Receiver power supply 16 Vecr Transmitter power supply 17 VEET Transmitter ground common with receiver ground 1 18 TD Transmitter Non Inverted DATA in AC coupled 19 TD Transmitter Inverted DATA in AC coupled 20 VEET Transmitter ground common with receiver ground 1 Notes 1 Circuit ground is connected to chassis ground 2 PHY disab
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