finisar ? finisar corporation may 18, 2010 rev b.2 page 1 product specification 1000base-t rohs compliant copper sfp transceiver fclf8520p2btl / fclf8521p 2btl / fclf8522p2btl product features ? up to 1.25gb/s bi-directional data links ? hot-pluggable sfp footprint ? extended case temperature range (-40c to +85c ) ? fully metallic enclosure for low emi ? rohs compliant and lead free ? low power dissipation (1.05 w typical) ? compact rj-45 connector assembly ? access to physical layer ic via 2-wire serial bus ? 10/100/1000 base-t operation in host systems with sgmii interface applications ? 1.25 gigabit ethernet over cat 5 cable finisar?s fclf8520p2btl, FCLF8521P2BTL a nd fclf8522p2btl 1000base-t copper small form pluggable (sfp) transceivers are base d on the sfp multi source agreement (msa) 1 . they are compatible with the gigabit ethernet an d 1000base-t standards as specified in ieee std 802.3 2 . they are rohs compliant a nd lead-free per directive 2002/95/ec 3 and finisar application note an-2038. the 1000base-t physical layer ic (phy) can be accessed via i2c, allowing access to all phy settings and features. the fclf8520p2btl uses the sfp?s rx_los pi n for link indication, and 1000base-x auto- negotiation should be disabled on the host syst em. the FCLF8521P2BTL is compatible with 1000base-x auto-negotiation, but doe s not have a link indication f eature (rx_los is internally grounded). see an-2036, ?frequently asked ques tions regarding finisar?s 1000base-t sfps?, for a more complete explanation on the differe nces between the two models and details on applications issues for the products. the fc lf8522 shall support both rx_los pin for link indication and 1000base- x auto-negotiation. product selection part number link indicator on rx_los pin 1000 base-x auto-negotiation enabled by default fclf8520p2btl yes no FCLF8521P2BTL no yes fclf8522p2btl yes yes
fclf8520p2btl, FCLF8521P2BTL and fclf8522p2btl 1000base-t sfp product specification finisar ? finisar corporation may 18, 2010 rev b.2 page 2 i. sfp to host connector pin out pin symbol name/description note 1 v eet transmitter ground (commo n with receiver ground) 1 2 t fault transmitter fault. not supported 3 t dis 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 v eer receiver ground (common w ith transmitter ground) 1 10 v eer receiver ground (common w ith transmitter ground) 1 11 v eer receiver ground (common w ith transmitter ground) 1 12 rd- receiver inverted data out. ac coupled 13 rd+ receiver non-inverted data out. ac coupled 14 v eer receiver ground (common w ith transmitter ground) 1 15 v ccr receiver power supply 16 v cct transmitter power supply 17 v eet transmitter ground (commo n with receiver ground) 1 18 td+ transmitter non-inverted data in. ac coupled 19 td- transmitter inverted data in. ac coupled 20 v eet transmitter ground (commo n with receiver ground) 1 notes: 1. circuit ground is isolated from chassis ground 2. phy disabled on t dis > 2.0v or open, enabled on t dis < 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 FCLF8521P2BTL. table 1. sfp to host connector pin assignments and descriptions veet veet veer veer td- td+ rd+ rd- vcct vccr veet veer txfault mod-def(2) mod-def(1) mod-def(0) rate select los 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 towards asic towards bezel tx disable veer figure 1. diagram of host board connector block pin numbers and names
fclf8520p2btl, FCLF8521P2BTL and fclf8522p2btl 1000base-t sfp product specification finisar ? finisar corporation may 18, 2010 rev b.2 page 3 ii. +3.3v volt electrical power interface the fclf8520p2btl, FCLF8521P2BTL and fclf8522p2btl have an input voltage range of 3.3 v +/- 5%. the 4 v maximum voltage is not allowed for continuous operation. parameter symbol min typ max units notes/conditions supply current i s 320 375 ma 1.2w max power over full range of voltage and temperature. see caution note below input voltage v cc 3.13 3.3 3.47 v referenced to gnd maximum voltage v max 4 v total maximum current including surge current i surge 405 ma hot plug above steady state current. see caution note below caution: power consumption and surge current ar e higher than the specific values in the sfp msa table 2, +3.3 volt el ectrical power interface iii. low-speed signals mod_def(1) (scl) and mod_def(2) (sda), are open drain cmos signals (s ee section vii, ?serial communication protocol?). both mod_def(1) and mod_def(2) must be pulled up to host_vcc. parameter symbol min max units notes/conditions sfp output low v ol 0 0.5 v 4.7k to 10k pull-up to host_vcc, measured at host side of connector sfp output high v oh host_vcc - 0.5 host_vcc + 0.3 v 4.7k to 10k pull-up to host_vcc, measured at host side of connector sfp input low v il 0 0.8 v 4.7k to 10k pull-up to vcc, measured at sfp side of connector sfp input high v ih 2 vcc + 0.3 v 4.7k to 10k pull-up to vcc, measured at sfp side of connector table 3: low-speed signals, electrical characteristics
fclf8520p2btl, FCLF8521P2BTL and fclf8522p2btl 1000base-t sfp product specification finisar ? finisar corporation may 18, 2010 rev b.2 page 4 iv. high-speed electrical interface all high-speed signals ar e ac-coupled internally. high-speed electrical interface, transmission line - sfp parameter symbol min typ m ax units notes/conditions line frequency f l 125 mhz 5-level encoding, per ieee 802.3 tx output impedance z out,tx 100 ohm differential, for all frequencies between 1mhz and 125mhz rx input impedance z in,rx 100 ohm differential, for all frequencies between 1mhz and 125mhz table 4: high-speed electrical in terface, transmission line-sfp high-speed electrical interface, host-sfp parameter symbol min typ m ax units notes/conditions single ended data input swing v insing 250 1200 mv single ended single ended data output swing v outsing 275 800 mv single ended, can be modified by writing to the phy?s internal registers. for more details, see marvell datasheet 5 rise/fall time t r ,t f 175 psec 20%-80% tx input impedance z in 50 ohm single ended rx output impedance z ou t 50 ohm single ended table 5: high-speed elect rical interface, host-sfp
fclf8520p2btl, FCLF8521P2BTL and fclf8522p2btl 1000base-t sfp product specification finisar ? finisar corporation may 18, 2010 rev b.2 page 5 v. general specifications parameter symbol min typ max units notes/conditions data rate br 10 1,000 mb/sec ieee 802.3 compatible. see notes 2 through 4 below cable length l 100 m category 5 utp. ber <10 -12 table 6: general specifications notes: 1. clock tolerance is +/- 50 ppm 2. by default, the fclf8520p2btl, fclf 8521p2btl and fclf8522p2btl are full duplex devices in preferred master mode 3. automatic crossover detection is enabled. external crossover ca ble 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 pe r application note an-2036. with a serdes that does not support sgmii, the module will operate at 1000base-t only. vi. environmental specifications the fclf8520p2btl, FCLF8521P2BTL and fclf8522p 2btl have an industrial temperature ranges from -40c to +85c case temper ature as specified in table 8. parameter symbol min typ max units notes/conditions operating temperature t o p -40 85 c case temperature storage temperature t sto -40 85 c ambient temperature table 7: environment specifications vii. serial communication protocol all finisar sfps support the 2-wire serial co mmunication protocol outlined in the sfp msa 1 . these sfps use an atmel at24c01a 128 byte e 2 prom with an address of a0h. for details on interfacing with the e 2 prom, see the atmel data sheet t itled ?at24c01a/02/04/08/16 2-wire serial cmos e 2 prom.? 4 the 1000base-t physical layer ic can also be accesse d via the 2-wire serial bus at address ach. for details interfacing with the phy ic, see marv ell data sheet titled ?alaska ultra 88e1111 integrated gigabit ethernet transceiver? 5 (marvell document number mv-s100649-00). parameter symbol min typ max units notes/conditions i 2 c clock rate 0 100,000 hz table 8: serial bus timing requirements
fclf8520p2btl, FCLF8521P2BTL and fclf8522p2btl 1000base-t sfp product specification finisar ? finisar corporation may 18, 2010 rev b.2 page 6 viii. mechanical specifications the host-side of the fclf8520p2btl, fclf8 521p2btl and fclf8522p2btl conforms to the mechanical specifications outlined in the sfp msa 1 . 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. figure 2. fclf8520p2btl, FCLF8521P2BTL and fclf8522p2btl mechanical dimensions
fclf8520p2btl, FCLF8521P2BTL and fclf8522p2btl 1000base-t sfp product specification finisar ? finisar corporation may 18, 2010 rev b.2 page 7 ix. references 1. small form factor pluggable (sfp) tran sceiver 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 3. directive 2002/95/ec of the european c ouncil parliament and of the council, ?on the restriction of the use of certain hazar dous substances in electrical and electronic equipment.? january 27, 2003. 4. ?at24c01a/02/04/08/16 2-wire serial cmos e 2 prom?, 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
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