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1、 Optical Transceivers Optical Transceivers Author: Sujing 2010.08.05 Definition and FunctionDefinition 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 Optical tele
2、communication systemsystem Standard digital optical system The most simply optical systemThe most simply optical system Optical Transceivers Survey:Optical Transceivers Survey: A optical module combined by 3 parts: OSA,electronic device and optical connector. 光发射部分由驱动电路、控制电路（如APC、 ATC) 、光源三部分构成，具有发射
3、禁止和监视输 出等功能。 光接收部分主要由PIN-TIA前放组件和主放电 路两部分组成，并具有无光告警(LOS)功能。 Telecommunication netTelecommunication net See where it See where it use.use. ？ FTTX, FTTH FTTX, FTTH ，FTTP FTTP lFiber-to-the-x （FTTx ） (FTTx, x = H for home, P for premises, C for curb and N for node or neighborhood) Classification Classi
4、fication by transmission medium Single mode transceiver Multi mode transceiver Fiber structureFiber 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 FiberMultimode Fiber Two standard of Multim
5、ode fiber is 62.5/125 m and 50/125 m；62.5 EPON: Ethernet PON GE-PON: Gigabit Ethernet PON PON Application PON: Passive Optical Networks APON: ATM PON; BPON: Broadband PON; Internal structure of transceiversInternal structure of transceivers SFP XFP Types of SFP (2) Types of SFP (2) By optical port.
6、Dual fiber SFP,BIDI SFP, Copper SFP Dual fiber SFPDual fiber SFP lDual LC connector lEach fiber need both on TX and RX lMost popular. BIDI SFPBIDI SFP lSingle LC or SC connector lSave fiber lTX and RX has two different wavelength (usually 1310/1550 and 1550/1310) lMust be pairs(1550Tx/1310Rx& 1310Tx
7、/1550Rx) Copper SFP Copper SFP lSingle RJ45 ports lUTP Cable transmission. Types of SFPTypes of SFP By DDM With DDM Without DDM DDM=Digital Diagnostic Monitoring DDM SFP and No DDM SFP are same looking from interface. Only differ in internal electricity circuits. DDM No DDM SFP CAN DDM No DDM SFP CA
8、N NOT upgrade to DDM SFPNOT upgrade to DDM SFP DDM DDM information DDM information EEPROMEEPROM Optical sub materialsOptical sub materials TX side：LED、VCSEL、FP、DFB、 CWDM、DWDM,EML.DML RX side：PIN-TIA、APD TOSA (TX optical sub-assembly)TOSA (TX optical sub-assembly) TOSA ApplicationData basewavelengthL
9、aser Optical port PIN SDH/SONET155M 622M 1.244G 2.488G 850nmVCSEL LC/SCMale/Femal 1310nm FP/DFB 1550nm GBE1.0625G850nmVCSEL 1310nm FP/DFB 1550nm FC1.0625/2.125G 850nmVCSEL 1310nm FP/DFB 1550nm CWDM155M2.67G12701610nmFP/DFB DWDM155M2.67G 1563.05 1528.77nm DFB 10G (SDH, Ethernet, FC shared) 9.95310.70
10、9G 850nmVCSEL 1310nm FP/DFB 1550nm TX OSATX OSA l(VCSEL： Vertical Cavity Surface Emitting Laser):850nm, Short Reach l(FP ：Fabry-Perot)Laser:1310nm，Intermediate Reach l(DFB ：Distributed Feedback ) Laser:1310nm and 1550nm,Long Reach ROSA TypeROSA Type ROSA ApplicationDatabaseWavelengthChipFiber portPI
11、N SDH/SONET155M 622M 1.244G 2.488G 850nmGaAs For 850nm InGaAs For 1310/1550 PIN-TIA For Short Distance APD-TIA For Long Distance LC/SC 4pin For PIN-TIA 5pins For APD- TIA 1310nm 1550nm GBE1.0625G850nm 1310nm 1550nm FC1.0625/2.125G850nm 1310nm 1550nm CWDM155M2.67G12701610nm DWDM155M2.67G 1563.05 1528
12、.77nm 10G (SDH, Ethernet, FC shared) 9.95310.709G 850nm 1310nm 1550nm RX OSARX OSA l(PIN：“ p - type”-intrinsic- “n-type” ):Cheaper and Easier l(APD：Avalanche Photo Diode): More sensitive OSA StructureOSA Structure 耦合 Fiber ConnectorsFiber Connectors LCSC FCST LC-LC SC-SC BIDI materials, BOSABIDI mat
13、erials, BOSA PluggablePigtails MSA-多源协议 -指定电接口和机械接口的定义 lGBIC MSA (SFF-8053 Rev 5.5) l SFF MSA l SFP MSA l SFF-8472 Rev 9.3 (Digital Diagnostic) l XFP MSA (SFF-8077i Rev4.0) l XENPAK MSA l 300-PIN MSA (Edition 4) 指定电接口和机械接口的定义 Gigabit Ethernet protocol -definite optical port l IEEE 802.3-2002(General
14、) l IEEE 802.3ah (E-PON) l IEEE 802.3ab (10/100/1000Base-T) l IEEE 802.3ae (10GE) 同步数字系统与同步光纤网络协议同步数字系统与同步光纤网络协议 -指定光接口定义指定光接口定义 lITU-T G.957 (STM-1,STM-4,STM-16 SDH loptical interface) l ITU-T G.958 (SDH system basic, including ljitter requirement) l ITU-T G.691 (10G SDH, STM-64) l ITU-T G.959 (OTN
15、) l Telcodia GR-253 (SONET:SYNCHRONOUS lOptical Networks) PON PON -Optical port Definition -Optical port Definition l ITU-T G.983.x (APON and BPON) l ITU-T G.984.x (GPON) l IEEE 802.3ah D3.1(EPON) 10G10G -Optical port Definition -Optical port Definition l ITU-T G.691(10G SDH) l ITU-T G.959.1 (Optica
16、l transport network-OTN) l IEEE 802.3ae-2002 (10G Ethernet) l 10GFC Rev 3.5 (10G Fiber Channel) ATOP Products naming rulesATOP Products naming rules A P-X XX X X X-X X X X XX ATOP Product Categories S-SFP B-BIDI G-GBIC X-XFP F-SFF SC-SFP CWDM SD-SFP-DWDM EU-GEPON ONU ET-GEPOM OLT GU-GPOM ONU GTGPOM-OLT GCGBIC CWDM GDGBIC DWDM TR 1X9 Dual fiber TB 1x9 BIDI TX-1
