sp ps - 27 - 48f - n 2 - c d f a ds - 6 104 rev 0 7 20 1 2 - 07 - 0 4 features ? single fiber bi - directional data links with asymmetric 2.48832 gbps upstream and 9.95328 gbps downstream ? s leep mode for power consumption ? 1 270nm burst mode transmitter with dfb laser ? 1 577 nm continuous mode receiver with apd ? compliant wi th itu - tg.987.2 xg - gpon n2 class ? sfp+ msa sff - 8431 compliant ? digital diagnostic sff - 8472 r ev9.5 compliant ? telcordia gr - 468 compliant ? single 3.3v power supply ? operation case temperature: - 5 - 70 c ? sfp+ (small form - factor pluggable plus) package with sc recepta cle optical interface. ? rohs c ompliant r egulatory compliance table 1 - regulatory compliance feature standard performance electrostatic discharge (esd) to the electrical pins mil - std - 883e method 3015.7 class 1(>500 v) electrostatic discharge (esd) to the duplex lc receptacle iec 61000 - 4 - 2 compatible with standards electromagnetic interference (emi) fcc part 15 class b en55022 class b (cispr 22b) compatible with standards immunity iec 61000 - 4 - 3 compatible with standards laser eye safety fda 21cfr 1040.10 and 1040.11 en60950, en (iec) 60825 - 1,2 compatible with class i laser product. component recognition ul and csa compliant with standards rohs 2002/95/ec 4.1&4.2 2005/747/ec compliant with st andards note note: in light of item 5 in annex of 2002/95/ec, pb in the glass of cathode ray tubes, electronic components and fluorescent tubes. and item 13 in annex of 2005/747/ec, lead and cadmium in optical and filter glass., the two exemption s ar e being concerned for source photonics t ransceivers , because source photonics transceivers use glass, which may contain pb, for components such as lenses, windows, isolators, and other electronic components.
sp ps - 27 - 48f - n 2 - c d f a ds - 6 104 rev 0 7 20 1 2 - 07 - 0 4 absolute maximum ratings table 2 - absolute maximum ratings parameter symbol min. typical max. unit notes storage ambient temperature t s - 40 - 85 c operating case temperature t c - 5 70 c 1 operating relative humidity rh 5 95 % power supply voltage v cc 0 4 v no te 1: when ambient temperature is above 60 c , airflow at rate higher than 1m/sec is required. recommended operating conditions table 3 C recommended operating conditions parameter symbol min. typical max. unit notes power supply voltage v cc 3.13 3.3 3.47 v operating ca se temperature t c - 5 70 c 1 operating relative humidity rh 5 95 % data rate dr 2.48832 gbit/s 2 data rate drift - 100 +100 ppm note 1: when ambient temperature is above 60 c , airflow at rate higher th an 1m/sec is required . 2: prbs2 23 - 1. optical characteristics table 4 C optical characteristics transmitter parameter symbol min. typical max. unit notes centre wavelength c 1260 1280 nm spectral width ( - 20db) ? 1 nm sid e mode suppression ratio smsr 30 db average launch power p o ut 2 7 dbm 1 average launch power - off transmitter p off - 4 3.5 dbm extinction ratio ex 8.2 db 2 total jitter tj 0. 2 ui 2 rise/fall time (20% - 80%) t r /t f 140 ps 2,3 burst turn on tim e t burst_on 32 ns 4 burst turn off time t burst_o ff 32 ns 4 optical return loss tolerance - 15 db
sp ps - 27 - 48f - n 2 - c d f a ds - 6 104 rev 0 7 20 1 2 - 07 - 0 4 transmitter reflectance - 6 db optical eye mask compliant with itu - t g.987.2 receiver operating wavelength c 157 5 1577 1580 nm sensitivity p sen 1 - 24 dbm 5 p sen 2 - 28 saturation p sat - 8 dbm receiver total jitter tj - - 0.7 ui receiver deterministic jitter dj - - 0.42 ui loss of signal deassert level p losd - 29 dbm loss of signal assert l evel p losa - 40 - dbm los hysteresis p losd - p losa 0.5 6 db receiver reflectance (6 ) - 20 db wdm filter isolation iso(1550) 38 db 1550nm iso(1650) 35 db 1650nm notes: 1. the optical power is launched into 9/125 um smf. 2. m easured with prbs 2 23 - 1 test pattern @ 2.48832 gbps. 3. m easured with the bessel - thompson filter off. 4. r efer to timing parameter definition in burst mode sequence 5. p sen1 measured with a prbs2 23 - 1 test pattern@9.95328gbps,ber Q 10 - 1 0 for reference p sen 2 m easured with a prbs2 23 - 1 test pattern @ 9.95328 gbps, ber Q 10 - 3 6. f rom external 1260 - 1280nm to 1575 - 1580nm 7. from internal 1260 - 1280nm to 1575 - 1580nm electrical characteristics table 5 C electrical characterist ics transmitter parameter symbol min. typical max. unit notes power supply current i cc_tx 2 5 0 ma data input differential swing v in 200 1 6 00 mvp - p 1 input differential impedance z in 90 100 110 transmitter disable voltage - low v tdis, l 0 0.8 v 2 transmitter disable voltage - high v tdis, h 2.0 vcc v transmitter fault assert time t - fault - on 0 0. 4 v transmitter fault reset tx_fault reset 2. 4 vcc v power down voltage _ l ow v_ pdl 0 0.8
sp ps - 27 - 48f - n 2 - c d f a ds - 6 104 rev 0 7 20 1 2 - 07 - 0 4 power down voltage _high v_ pdh 2.0 v cc tx pow er down assert time t_pd assert 512 ns recovery time following tx power down following tx sleep t_pd recover 512 ns receiver power supply current i cc_rx 20 0 ma data output differential swing v out 600 9 00 mv p - p 3 loss of signal (los) voltage - low v los, l 0 0.8 v loss of signal (los) voltage - high v los, h 2. 4 v c c v loss of signal (los) assert time t ass 100 s loss of signal (los) deassert time t das 100 s out put differential imped a nce r out 80 100 120 time to initialize 2 - wire interface 300 ms time to initialize 300 ms notes: 1. compatible with lvpecl/cml input, a c coupled internally. ( see recommended interface circuit ) 2. tx _nbrst ( see pin function definitions ) . 3. cml output, a c coupled internally , guaranteed in the full arr ange of input optical power ( - 9 dbm to - 24 dbm) figure 1 , timing parameter definition in burst mode sequence diagnostics table 6 C diagnostics
sp ps - 27 - 48f - n 2 - c d f a ds - 6 104 rev 0 7 20 1 2 - 07 - 0 4 parameter range accuracy un it calibration temperature - 5 to 7 0 3 oc in ternal voltage 0 to vcc 3% v in ternal bias current 0 to 90 (notes) 10% ma in ternal tx power 2 to 7 3 db in ternal rx power - 30 to - 8 2 db in ternal notes: only for continuous mode table 7 C eeprom serial id (a0h) addr. field size (bytes) name of field hex description 0 1 identifier 03 sfp + transceiver 1 1 ext. identifier 04 mod4 2 1 connector 01 sc 3 - 10 8 transceiver 00 10 00 0 0 00 00 00 00 oc48 11 1 encoding 0 3 nrz 12 1 br, nominal 19 2.48832 gbps 13 1 reserved 00 14 1 length (9um) - km 14 20(km) 15 1 length (9um) c8 200(100m) 16 1 length (50um) 00 not support mmf 17 1 length (62.5um) 00 not support mmf 18 1 length (copper) 00 not support copper 19 1 reserved 00 20 - 35 16 vendor name 53 4f 55 52 43 45 50 48 4f 54 4f 4e 49 43 53 20 sourcephotonics (asc ) 36 1 reserved 00 37 - 39 3 vendor oui 00 1f 22 sp vendor oui 40 - 55 16 vendor pn 53 50 50 53 32 37 34 38 46 4e 32 4 3 44 4 6 41 20 spps2748fn2 c d f a (ascii) 56 - 59 4 vendor rev x x 20 20 ascii(31 30 20 20 means 1.0 revision) 60 - 61 2 wavelength 0 4 f 6 1270 nm laser wavelength 62 1 reserved 00 63 1 cc_base xx check sum of byte 0 - 62 64 - 65 2 options 00 0 a los,tx_fault 66 1 br, max 00 67 1 br, min 00 68 - 83 16 vendor sn xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx ascii 84 - 91 8 date code xx xx x x xx xx xx 20 20 year(2bytes),month(2 bytes),
sp ps - 27 - 48f - n 2 - c d f a ds - 6 104 rev 0 7 20 1 2 - 07 - 0 4 day(2 bytes) 92 1 diagnostic monitoring type 6 8 compliant with sff - 8472 v9. 5 ex ternally calibrated received power measurement type - average power 93 1 enhanced options f 0 diagnostics (optional alarm/warning fl ags) soft tx_fault monitoring implemented soft tx_ disable monitoring implemented soft rx_los monitoring implemented 94 1 sff - 8472 compliance 02 diagnostics compliance(sff - 8472 v9. 5 ) 95 1 cc_ext check sum of byte 64 - 94 96 - 255 64 vendor specific table 8 C pin definitions pin symbol name/description 1 veet module transmitter ground (note1) 2 tx_fault module transmitter fault 3 tx_ nbrst transmitter burst control (note2) 4 sdl 2 - wire serial interface data line (mod - def2) (note3) 5 scl 2 - wire serial in terface clock (mod - def1) 6 mod_abs module absent, connected to veet or veer in the module 7 tx_sd tx signal detect (note4) 8 rx_los receiver loss of signal indication (in fc designated as rx_los, in sonet designated as los, and in ethernet designated as not signal detect) 9 pdwn_tx power saving of tx side, on/off time less than 1ms, high active , if not use this feature, main board connection should be nc. (note5) 10 veer module receiver ground 11 veer module receiver ground 12 rxd - receiver inverted d ata output 13 rxd+ receiver non - inverted data output 14 veer module receiver ground 15 vccr module receiver 3.3v supply 16 vcct module transmitter 3.3v supply 17 veet module transmitter ground 18 txd+ transmitter non - inverted data input 19 txd - tran smitter inverted data input
sp ps - 27 - 48f - n 2 - c d f a ds - 6 104 rev 0 7 20 1 2 - 07 - 0 4 20 veet module transmitter ground note 1. the module ground pins, veer and veet, shall be isolated from the module case. 2. t x_nburst is an input that is used to shut down the transmitter optical output. 3. m od - d ef 0,1,2. these are the module definition pins. they should be pulled up with a 4.7k - 10k? r esistor on the host board. the pull - up voltage shall be v cc t or v cc r . 4 . tx signal detect, tx active state: high . 5. tx power saving function timing: tx_sleep sfp+ module pcb pinout recommended host board power supply circuit tx_burst tx_sleep tx_burst_off tx_sleep _on 1ms 1ms
sp ps - 27 - 48f - n 2 - c d f a ds - 6 104 rev 0 7 20 1 2 - 07 - 0 4 r ecommended interface circuit figure 2 , recommended interface circuit mechanical d iagram
sp ps - 27 - 48f - n 2 - c d f a ds - 6 104 rev 0 7 20 1 2 - 07 - 0 4 figure 3, mechanical diagram order information t able 9 C order information part no. application data rate laser source fiber type spp s - 27 - 48f - n2 - c d f a xg pon n1/ n2 class on t tx 2.48832 gb/s and rx 9.95328 g b/s asymmetric 1 27 0nm dfb smf
sp ps - 27 - 48f - n 2 - c d f a ds - 6 104 rev 0 7 20 1 2 - 07 - 0 4 warnings handling precautions: this device is susceptible to d amage as a result of electrostatic discharge (esd). a static free environment is highly recommended. follow guidelines according to proper esd procedures. laser safety: radiation emitted by laser devices can be dangerous to human eyes. avoid eye exposure to direct or indirect radiation. legal notice important notice! all information contained in this document is subject to change without notice, at source photonics sole and absolute discretion. source photonics warrants performance of its products to curr ent specifications only in accordance with the companys standard one - year warranty; however, specifications designated as preliminary are given to describe components only, and source photonics expressly disclaims any and all warranties for said product s, including express, implied, and statutory warranties, wa rranties of merchantability, fi tness for a particular purpose, and non - infringement of proprietary rights. please refer to the companys terms and conditions of sale for further warranty informatio n. source photonics assumes no liability for applications assistance, customer product design, software performance, or infringement of patents, services, or intellectual property described herein. no license, either express or implied, is granted under an y patent right, copyright, or intellectual property right, and source photonics makes no representations or warranties that the product(s) described herein are free from patent, copyright, or intellectual property rights. products described in this document are not intended for use in implantation or other life support applications where ma lfunction may result in injury or death to persons. source photonics customers using or selling products for use in such applications do so at their own risk and agree to fully defend and indemnify source photonics for any damages resulting from such use o r sale. the information contained in this document is provided on an as is basis. customer agrees that source photonics is not liable for any actual, consequential, exemplary, or other damages arising directly or indirectly from any use of the informatio n contained in this document. customer must contact source photonics to obtain the latest version of this publication to verify, before placing any order, that the information contained herein is current. contact u.s.a. headquarters 20550 nordhoff street chatsworth, ca 91311 usa tel: +1 - 818 - 773 - 9044 fax: +1 - 818 - 773 - 0261 sales@sourcephotonics.com ch ina building #2&5, west export processing zone no. 8 kexin road, hi - tech zone chengdu, 611731, china tel: + 86 - 28 - 8795 - 8788 fax: + 86 - 28 - 8795 - 8789 sales@sourcephotonics.com .cn taiwan 9f, no 81, shui lee rd. hsinchu, 300, taiwan r.o.c. t el: + 886 - 3 - 5169222 f ax: + 886 - 3 - 5169213 sales@sourcephotonics.com .tw ? copyright source photonics, inc. 2007~200 9 all rights reserved
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