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1、 Optical TransceiversAuthor:Sujing2010.08.05Definition and Function Optical module is the device which converter cooper signal to optical signal,and vice versa.It is the main device in optical telecommunication.Optical telecommunication systemStandard digital optical systemThe most simply optical sy
2、stemOptical Transceivers Survey:A A optical optical module module combined combined by by 3 3 parts:parts:OSA,electronicOSA,electronic device and optical connector.device and optical connector.光光发发射射部部分分由由驱驱动动电电路路、控控制制电电路路（如如APCAPC、ATC)ATC)、光光源源三三部部分分构构成成，具具有有发发射射禁禁止止和和监监视视输输出等功能。出等功能。光光接接收收部部分分主主要要
3、由由PIN-TIAPIN-TIA前前放放组组件件和和主主放放电电路两部分组成，并具有无光告警路两部分组成，并具有无光告警(LOS)(LOS)功能。功能。Telecommunication netSee where it See where it use.use.？FTTX,FTTH，FTTP lFiber-to-the-x（FTTx）(FTTx,x=H for home,P for premises,C for curb and N for node or neighborhood)Classification by transmission medium Single mode transc
4、eiver Multi mode transceiverFiber structure The main contain of fiber is high purity SiO2.And with some other materials with very few quantity,in order to enhance the reflection.Multimode Fiber Two standard of Multimode fiber is 62.5/125 m and 50/125 m；62.5&50 refers to the diameter of ferrules.125
5、refers the diameter with coating.Multimode fiber only use on less capacity and short distance transmission.Singlemode Fiber When Ferrules diameter is between 510m(9/125),the fiber can only allow one method transmission,so SM fiber not has the problem of Chromatic dispersion,it specially use in highe
6、r capacity and long distance transmission.Transmission form of SM and MM fiber graded index multimode fiber step Index multimode fiber SM Fiber Transceiver Principle map Transmitter TransmitterPECL input（low speed）CML input（high speed）Laser modulatorTemp compensation electricity circuit Data inputLa
7、serLaser driver and APC Electricity circuit VccDDMMonitory input/output ReceiverLPFRestriction amplifierSignal electricity circuit PDData outputDDMPECLbufferFirst putbufferTypes of Transceiver By package:1X9、SFF、GBIC、SFP、SFP+、XFP、X2、XENPAK、PON.Products：SFP SFP-Small Form Factor Pluggable,also named
8、mini-GBIC.The advantage of SFP is hot pluggable,small size,a n d m e t a l c a s i n g.Products：19 Plastic casing,9 PIN on the bottom,mainly use on the production of Media converter and VDO multiplexor.SFFSmallFormFactor,metalcasing,2x5or2x10PINonthebottom,mainlyuseonSDH,SONET,fastEthernetandFiberCh
9、annel.GBICGigabitInterfaceConverter,metalcasing,mainlyuseonGigabitEthernetswitch,hotpluggable.XFP10 Gigabit Small Form Factor Pluggable，Metal casing,hot pluggable,applicants in 10G optical t e l e c o m m u n i c a t i o n.X2X2,Metal casing,hot pluggable.10G Ethernet.XENPAKX E N P A K:Metal casing,h
10、ot p l u g g a b l e,1 0 G E t h e r n e t.PON PON-passive optical network.There are EPON and GPON；EPON based on IEEE802.3ah，GPON based on ITU-TG.984.So far EPON is mature and GPON is still in developing,(GEPON is EPON)PONONUOLT ONU is optical net unit,is end user device,OLT is optical line terminal
11、,is bureau unit.GPON:GigabitPON;EPON:EthernetPONGE-PON:GigabitEthernetPONPONApplicationPON:PassiveOpticalNetworksAPON:ATMPON;BPON:BroadbandPON;Internal structure of transceiversSFPXFP Types of SFP(2)By optical port.Dual fiber SFP,BIDI SFP,Copper SFPDual fiber SFPlDual LC connectorlEach fiber need bo
12、th on TX and RXlMost popular.BIDI SFPlSingle LC or SC connectorlSave fiberlTX and RX has two different wavelength(usually 1310/1550 and 1550/1310)lMust be pairs(1550Tx/1310Rx&1310Tx/1550Rx)Copper SFPlSingle RJ45 portslUTP Cable transmission.Types of SFPBy DDM With DDM Without DDMDDM=Digital Diagnost
13、ic Monitoring DDM SFP and No DDM SFP are same looking from interface.Only differ in internal electricity circuits.DDM No DDM SFP CAN NOT upgrade to DDM SFPDDMDDM information EEPROMOptical sub materialsTX side：LED、VCSEL、FP、DFB、CWDM、DWDM,EML.DMLRX side：PIN-TIA、APDTOSA(TX optical sub-assembly)TOSAAppli
14、cationApplicationData baseData basewavelengthLaserLaserOptical Optical portportPINPINSDH/SONET155M622M1.244G2.488G850nmVCSELLC/SCMale/Male/FemalFemal1310nmFP/DFB1550nmGBE1.0625G850nmVCSEL1310nmFP/DFB1550nmFC1.0625/2.125G850nmVCSEL1310nmFP/DFB1550nmCWDM155M2.67G12701610nmFP/DFBDWDM155M2.67G1563.05 15
15、28.77nmDFB10G (SDH,Ethernet,FC shared)9.95310.709G850nmVCSEL1310nmFP/DFB1550nmTX OSAl(VCSEL：Vertical Cavity Surface Emitting Laser):850nm,Short Reachl(FP：Fabry-Perot)Laser:1310nm，Intermediate Reachl(DFB：Distributed Feedback)Laser:1310nm and 1550nm,Long ReachROSA TypeROSAApplicationApplicationDatabas
16、eDatabaseWavelengthWavelengthChipChipFiber portFiber portPINPINSDH/SONET155M622M1.244G2.488G850nmGaAs For 850nm InGaAs For 1310/1550PIN-TIAFor Short DistanceAPD-TIAFor Long DistanceLC/SC4pin For PIN-TIA5pins For APD-TIA1310nm1550nmGBE1.0625G850nm1310nm1550nmFC1.0625/2.125G850nm1310nm1550nmCWDM155M2.
17、67G12701610nmDWDM155M2.67G1563.05 1528.77nm10G (SDH,Ethernet,FC shared)9.95310.709G850nm1310nm1550nmRX OSAl(PIN：“p-type”-intrinsic-“n-type”):Cheaper and Easierl(APD：Avalanche Photo Diode):More sensitive OSA Structure耦合Fiber ConnectorsLCSCFCSTLC-LCSC-SCBIDI materials,BOSAPluggablePigtailsMSA-多源协议多源协议
18、-指定电接口和机械接口的定义指定电接口和机械接口的定义lGBIC MSA(SFF-8053 Rev 5.5)l SFF MSAl SFP MSAl SFF-8472 Rev 9.3(Digital Diagnostic)l XFP MSA(SFF-8077i Rev4.0)l XENPAK MSAl 300-PIN MSA(Edition 4)指定电接口和机械接口的定义指定电接口和机械接口的定义GigabitEthernetprotocol-definiteopticalportl IEEE 802.3-2002(General)l IEEE 802.3ah(E-PON)l IEEE 802.
19、3ab(10/100/1000Base-T)l IEEE 802.3ae(10GE)同步数字系统与同步光纤网络协议 -指定光接口定义lITU-T G.957(STM-1,STM-4,STM-16 SDHloptical interface)l ITU-T G.958(SDH system basic,includingljitter requirement)l ITU-T G.691(10G SDH,STM-64)l ITU-T G.959(OTN)l Telcodia GR-253(SONET:SYNCHRONOUSlOptical Networks)PON -Optical port De
20、finition l ITU-T G.983.x(APON and BPON)l ITU-T G.984.x(GPON)l IEEE 802.3ah D3.1(EPON)10G -Optical port Definitionl ITU-T G.691(10G SDH)l ITU-T G.959.1(Optical transport network-OTN)l IEEE 802.3ae-2002(10G Ethernet)l 10GFC Rev 3.5(10G Fiber Channel)ATOP Products naming rulesA P-X XX X X X-X X X X XXA
21、TOPProduct CategoriesS-SFPB-BIDIG-GBICX-XFPF-SFFSC-SFP CWDMSD-SFP-DWDMEU-GEPON ONUET-GEPOM OLTGU-GPOM ONUGTGPOM-OLTGCGBIC CWDMGDGBIC DWDMTR 1X9 Dual fiberTB 1x9 BIDITX-1X9 TransmitRx1x9 ReceiveX2-x2XE-XENPARKOperating Wavelength311310nm55-1550nm85850nm471470nm49-1490nm511510nm531530nm571570nm591590n
22、m611561nm53T1550/R1310nm35T 1310/R1550nm43T1490/R1310nm34T1310/R1490nmDate Rate01155M06 622M121.25G252.5G2121.125G424.25G1X10GLaser Type1FP/PIN2DFB/PIN3VCSEL4DFB/APD5CWDM/PIN6CWDM/APD7DWDM8EML/PIN9EML/APDOperating Voltage33.3V55V43.3Vand 5V61.8V 3.3V and 5VOperating temperatureC070I40+85Dwith DDMNot
23、hingwithout DDMFiber PortLLCSSCFFCTSTDistance1010km2020km4040km60-60km8080km120120kmMMultimode10G ProductsItemItemWavelengthWavelengthDistance(km)Distance(km)Part NumberPart Number备注备注XFP8508500.30.3AP-X851X3-3CDLMAP-X851X3-3CDLM131013101010AP-X311X2-3CDL10AP-X311X2-3CDL10155015504040AP-X551X8-4CDL4
24、0AP-X551X8-4CDL40155015508080AP-X551X9-4CDL80AP-X551X9-4CDL80DWDMDWDM4040AP-X*1X7-4CDL40AP-X*1X7-4CDL408080AP-X*1X7-4CDL80AP-X*1X7-4CDL80X28508500.30.3AP-X2851X3-4CSMAP-X2851X3-4CSM131013101010AP-X2311X2-4CS10AP-X2311X2-4CS10155015504040AP-X2551X8-4CS40AP-X2551X8-4CS40155015508080AP-X2551X9-4CS80AP-
25、X2551X9-4CS80DWDMDWDM4040AP-X2*1X7-4CS40AP-X2*1X7-4CS408080AP-X2*1X7-4CS80AP-X2*1X7-4CS8010G ProductsXENPAK8508500.30.3AP-XE851X3-4CSMAP-XE851X3-4CSM131013101010AP-XE311X2-4CS10AP-XE311X2-4CS10155015504040AP-XE551X8-4CS40AP-XE551X8-4CS40155015508080AP-XE551X9-4CS80AP-XE551X9-4CS80DWDMDWDM4040AP-XE*1
26、X7-4CS40AP-XE*1X7-4CS408080AP-XE*1X7-4CS80AP-XE*1X7-4CS80SFP+8508500.30.3AP-S851X3-3CDLMAP-S851X3-3CDLM131013101010AP-S311X2-3CDL10AP-S311X2-3CDL10155015504040AP-S551X4-4CDL40AP-S551X4-4CDL40研发中研发中155015508080研发中研发中DWDMDWDM40408080Transceivers Application Optical transceivers mainly applicants in th
27、e area of Datacom,data transmission,and telecommunication.There are many devices is upgrading from 1x9,SFF,GBIC to SFP Main customer is manufacture of device and ISP.知名厂商知名厂商美国：美国：Finisar、JDSU、飞博创、飞博创日本：日本：Opnext、住友、住友中国：中国：WTD、飞通、飞通全球：全球：ATOP我们的客户l运营商运营商l需要组建自己网络的大型企业需要组建自己网络的大型企业XFP PIN definitionlSDH STM-1 STM-4 STM-16 STM-64 SONET OC3 OC12 OC48 OC192 155 M 622M 2.5G 10GEthernet SR LR ER ZR UR（应用于（应用于SDH网络设备上）网络设备上）SW LW EW ZW UW(应用于应用于SONET网络设备网络设备上上)谢谢！