Nta ◊ Hluav taws xob sib cuam tshuam raws li SFF-8431 ◊ 850nm VCSEL laser thiab PIN photo-detector ◊ Qhov siab tshaj plaws txuas ntev ntawm 70m ntawm OM3 MMF thiab 100m ntawm OM4 MMF ◊ Digital diagnostics functions muaj nyob ntawm I2C interface ◊ Kev lag luam kub: C rau +70 ° C ◊ +3.3V ib lub zog siv hluav taws xob ◊ Kev siv hluav taws xob tsawg dua 1W ◊ RoHS raws ◊ Kev tiv thaiv tus password rau A0h thiab A2h Daim Ntawv Thov ◊ 25GBASE-SR Ethernet ◊ Servers, keyboards, cia thiab host card adapters Specification Absolute Maximum Ratings Table1- Tsawg Qhov Ntsuas Qhov Siab Tshaj . Hom Max. Unit Notes Supply Voltage Vcc3 -0.5 - +3.6 V Storage Temperature Ts -10 - +70 °C Kev khiav hauj lwm av noo RH +5 - +85 % 1 Ceeb Toom: 1 Tsis muaj condensation Pom zoo ua hauj lwm tej yam kev mob Parameter cim Min. Hom Max. Unit Notes Operating Case Temperature TC 0 - +70 °C Fais fab mov Voltage Vcc 3.14 3.3 3.47 V Fais fab mov tam sim no Icc - - 300 mA Fais fab Dissipation Pd - - 1.0 W Bit Rate BR 8.5 25.78125 - Rabbit Rb3 cm - Bend Table 2 - Pom zoo kev khiav hauj lwm yam ntxwv hluav taws xob yam ntxwv Table 3- Hluav taws xob yam ntxwv Parameter cim Min. Ntaus. Max. Units Notes Transmitter Differential Data Input Swing Vin, PP 200 - 1600 mVPP Input Differential Impedance ZIN 90 100 110 Ω Tx_Fault Ib txwm ua haujlwm VOL 0 - 0.8 V Transmitter Fault VOH 2.0 - VCC V Tx_Disable Normal Operation.0 VIL - 2. VCC + 0.3 V Receiver Differential Date Output Vout 400 - 800 mV Output Differential Impedance ZD 90 100 110 Ω Rx_LOS Ib txwm ua haujlwm VOL 0 - 0.8 V Poob teeb liab VoH 2.0 - VCC V Optical Characteristics Table 4-Osptic Meter Kho qhov muag transmitter Yam ntxwv Bit Rate BR Gbps 8.5 25.78125 - Center Wavelength Range λc nm 820 850 880 Nruab Nrab Launch powerTx_off Poff dBm - - -45 Launch Optical Fais Fab P0 dBm -6.0 2.4 1 2 ER dB (Specification) RMS nm - - 0.65 Optical Receiver Characteristics Bit Rate BR Gbps 8.5 25.78125 Bit Error Rate BER - - E-12 Damage threshold DT dBm 3.4 - - Overload Input OpticalPower PIN dBm 2.4 - - 2 Center Range 800 Waveleng Sensitivity inAverage Power Sen dBm - - -5.2 3 Los Assert LosA dBm -30 - - Los De-Assert LosD dBm - - -13 Los Hysteresis LosH dB 0.5 Lus Cim: Coupled rau 50/125 MMF. Ntsuas nrog PRBS 231-1 xeem qauv @25.78125Gbps.BER=E-12 3. BER=1x10-12; PRBS 231-1 @ 25.78125Gbps. Pom zoo Host Board Power Supply Circuit Daim duab 1, Pom zoo Host Board Power Supply Circuit Pom zoo Interface Circuit Court daim duab 2, Pom zoo Interface Circuit Court Pin kev npaj daim duab 3, Pin Saib Table 5-Pin Function Definitions Pin Symbol Lub Npe/Kev piav qhia Sau ntawv 1 VEET Module Transmitter 1 TX_FAULT Module Transmitter Fault 2 3 TX_DISABLE Transmitter Disable; Tig tawm transmitter laser tso zis 3 4 SDA 2-Wire Serial Interface Cov Ntaub Ntawv Kab (MOD-DEF2) 5 SCL 2-Wire Serial Interface Clock (MOD-DEF1) 6 MOD_ABS Module Tsis Muaj, txuas nrog VEET lossis VEER hauv module 2 7 RS0 Rate Xaiv 0, xaiv yeem tswj hwm SFP + module txais 4 8 RX_LOS Txais Poob qhov taw qhia (Nyob rau hauv FC xaiv raws li Rx_LOS thiab hauv Ethernet xaiv raws li NOT Signal Detect) 2 9 RS1 Rate Xaiv 1, optionally tswj SFP + module transmitter 4 10 VEER Module Receiver Ground 1 11 VEER Module Receiver Ground Receiver 1 12 RD- Output 13 RD+ Receiver Non-Inverted Cov ntaub ntawv tso zis 14 VEER Module Receiver Ground 1 15 VCCR Module Receiver 3.3 V Supply 16 VCCT Module Transmitter 3.3 V Supply 17 VEET Module Transmitter Ground 1 18 TD+ Transmitter Non-Inverted Data Input 19 verted VEET Transmitter Cov ntaub ntawv Hauv av 1 Lus Cim: Lub module hauv av pins raug cais tawm ntawm cov ntaub ntawv module. Cov pins yuav tsum rub nrog 4.7K-10Kohms rau qhov hluav taws xob ntawm 3.14V thiab 3.46V ntawm lub rooj tsavxwm. Tus pin yog rub mus rau VCCT nrog 4.7K-10KΩ resistor hauv lub module. Saib SFF-8472 Rev12.2 Table 10-2. Kev soj ntsuam Specification Daim duab 4, Memory Map Mechanical Design Diagram Table 5- Cable Length Cable Length L(Unit: m) Tolerant (Unit: cm) ≤1.0 +5/-0 1.0＜L≤4.5 +15/-0 4.5＜L≤ 14.5 +30/-0 ＞ 14.5 +2%/-0 Ceeb toom tuav Kev ceev faj: Cov cuab yeej no raug kev puas tsuaj los ntawm electrostatic paug (ESD). Ib puag ncig dawb zoo li qub tau pom zoo. Ua raws li cov lus qhia raws li cov txheej txheem ESD. Laser Kev Nyab Xeeb: Cov hluav taws xob tawm los ntawm cov khoom siv laser tuaj yeem ua rau muaj kev phom sij rau tib neeg lub qhov muag. Tsis txhob pom qhov muag raug hluav taws xob ncaj qha lossis tsis ncaj qha.

Nta: ◊ 4 txoj kab MUX/DEMUX tsim ◊ Integrated CWDM TOSA / ROSA txog li 10 km ncav cuag SMF ◊ Txhawb 100GBASE-CWDM4 rau kab tus nqi ntawm 103.125Gbps thiab OTU4 rau kab tus nqi ntawm 111.81Gbps 100Gbps ◊ Duplex LC connectors ◊ Ua raws li IEEE 802.3-2012 Clause 88 tus qauv IEEE 802.3bm CAUI-4 nti rau module hluav taws xob tus qauv ITU-T G.959.1-2012-02 tus qauv · ◊ Ib qho khoom siv hluav taws xob +3.3V digital diagnostic functions ◊ Kub ntau yam 0 ° C txog 70 ° C ◊ RoHS Raws Li Daim Ntawv Thov: ◊ Local Area Network (LAN) ◊ Wide Area Network (WAN) ◊ Ethernet keyboards thiab router applications Description: JHAQ28C10C yog lub transceiver module tsim rau 10km optical kev sib txuas lus . Tus qauv tsim yog ua raws li 100GbASE-LR4 ntawm IEEE 802.3-2012 Clause 88 tus qauv IEEE 802.3bm CAUI-4 nti rau module hluav taws xob tus qauv ITU-T G.959.1-2012-02 tus qauv. Lub module hloov 4 inputs channels (ch) ntawm 25.78 Gbps rau 27.95Gbps cov ntaub ntawv hluav taws xob rau 4 kab kev kho qhov muag teeb liab, thiab multiplexes lawv mus rau hauv ib qho channel rau 100Gb / s optical kis tau tus mob. Reversely, nyob rau sab receiver, lub module optically de-multiplexes ib tug 100Gb / s input rau 4 txoj kab kev teeb liab, thiab converts lawv mus rau 4 kab khiav tawm cov ntaub ntawv hluav taws xob. Lub nruab nrab wavelengths ntawm 4 kab yog 1270 nm, 1290 nm, 1310 nm thiab 1330 nm. Nws muaj ib tug duplex LC connector rau optical interface thiab 38-pin connector rau hluav taws xob interface. Txhawm rau txo qhov kev cuam tshuam ntawm optical dispersion nyob rau hauv qhov ntev-ntev, ib hom fiber ntau (SMF) yuav tsum tau siv rau hauv cov qauv no. Cov khoom lag luam yog tsim los nrog cov qauv tsim, kev sib txuas kho qhov muag / hluav taws xob thiab digital diagnostic interface raws li QSFP28 Multi-Source Agreement (MSA). Nws tau raug tsim los ua kom tau raws li qhov kev ua haujlwm hnyav tshaj plaws nrog rau qhov kub thiab txias, av noo thiab EMI cuam tshuam. Lub module ua haujlwm los ntawm ib qho +3.3V fais fab mov thiab LVCMOS / LVTTL thoob ntiaj teb kev tswj cov cim xws li Module Tam Sim No, Pib dua, cuam tshuam thiab Tsawg Fais Fab Hom muaj nyob nrog cov modules. Lub 2-xaim serial interface muaj nyob rau xa thiab tau txais kev tswj cov teeb meem nyuaj thiab kom tau txais cov ntaub ntawv kuaj mob digital. Cov kab ke ntawm tus kheej tuaj yeem hais tau thiab cov channel tsis siv tau tuaj yeem raug kaw kom tsim tau qhov yooj yim tshaj plaws. JHAQ28C10C yog tsim los nrog cov qauv tsim, kho qhov muag / hluav taws xob sib txuas thiab digital diagnostic interface raws li QSFP28 Multi-Source Agreement (MSA). Nws tau raug tsim los ua kom tau raws li qhov kev ua haujlwm hnyav tshaj plaws nrog rau qhov kub thiab txias, av noo thiab EMI cuam tshuam. Lub module muaj kev ua haujlwm siab heev thiab kev sib koom ua ke, siv tau los ntawm ob-xaim serial interface. • Tsis Txaus Siab Qhov Kev Ntsuas Parameter Cim Min. Hom Max. Chav Nyob Cia Kub TS -40 +85 °C Khoom Siv Hluav Taws Xob VCCT, R -0.5 4 V txheeb ze humidity RH 0 85 % • Pom zoo ua haujlwm ib puag ncig: Parameter Cim Min. Hom Max. Unit Case kev khiav hauj lwm Kub TC 0 +70 °C Supply Voltage VCCT, R +3.13 3.3 +3.47 V Supply Current ICC 1100 1500 mA Fais fab Dissipation PD 5 W • Cov yam ntxwv hluav taws xob (TOP = 0 to 70 °C, VCC = 3.47 Volt. Parameter Symbol Min Typ Max Unit Note Cov ntaub ntawv tus nqi ib Channel - 25.78125 Gbps 27.9525 Fais fab kev siv - 2.7 3.5 W Supply Current Icc 0.8 1 A Control I/O Voltage-High VIH 2.0 Vcc V Control I/O Voltage-Low VIL 0 0.7 TSW 2010 V-Chaw Duration 10 Peb RESETL Lub sij hawm lees paub 100 ms Lub Sijhawm Lub Sijhawm 100 ms Transmitter Ib Qhov Kawg Tso Tawm Voltage Tolerance 0.3 Vcc V 1 Hom Hom Voltage Tolerance 15 mV Transmit Input Diff Voltage VI 150 1200 mV Transmit Input Diff 15 Jisin 10 Cov ntaub ntawv pendent DDJ 0.3 UI Receiver Single Ended Output Voltage Tolerance 0.3 4 V Rx Output Diff Voltage Vo 370 600 950 mV Rx Output Rise thiab Fall Voltage Tr/Tf 35 ps 1 Total Jitter TJ 0.3 TOP Parameter = 20～8 0 txog 70 ° C, VCC = 3.0 mus rau 3.6 Volts) Parameter Symbol Min Typ Max Unit Ref. Transmitter Wavelength Assignment L0 1264.5 1271 1277.5 nm L1 1284.5 1291 1297.5 nm L2 1304.5 1311 1317.5 nm L3 1324.5 1335 SMSmode-S137 30 - - dB Tag Nrho Nruab Nrab Nruab Nrab Nruab Nrab Fais Fab PT -6 - 6.5 dBm Nruab Nrab Nruab Nrab Fais Fab, txhua txoj kab -6 - 2.5 dBm Qhov sib txawv hauv Launch Fais Fab ntawm ob txoj kab (OMA) - - 3.5 dB TDP, txhua txoj kab TDP 2.2 dB Extinction Ratio ER 4 - - dB Transmitter Qhov Muag Mask Txhais Lus {X1, X2, X3, Y1, Y2, Y3} {0.25, 0.4, 0.45, 0.25, 0.28, 0.4} Optical Return Poob Tolerance - - 20 dB Nruab Nrab Launch Fais Fab OFF Transmitter, txhua txoj kab Poff -30 dBm kwv yees siv zog siab / 1Z28 suab nrov Rin - 1 Optical Return Poob Tolerance - - 12 dB Receiver Damage Threshold THd 3.3 dBm 1 Average Power at Receiver Input, txhua txoj kab R -13.0 0 dBm RSSI Accuracy -2 2 dB Receiver Reflectance Rrx -26 dB Receiver Power (OMA), txhua txoj kab - - 3.5 dB -Assert LOSD -15 dBm LOS Assert LOSA -25 dBm LOS Hysteresis LOSH 0.5 dB Ceeb Toom 12dB Reflection • Diagnostic Monitoring Interface Digital diagnostics monitoring function muaj nyob rau txhua QSFP28 LR4. Lub 2-xaim serial interface muab cov neeg siv kev sib cuag nrog module. Cov qauv ntawm lub cim xeeb yog qhia nyob rau hauv ntws. Qhov chaw nco tau teem rau hauv qis dua, ib nplooj ntawv, chaw nyob ntawm 128 bytes thiab ntau nplooj ntawv chaw nyob sab saud. Cov qauv no tso cai rau lub sijhawm nkag mus rau qhov chaw nyob hauv nplooj ntawv qis dua, xws li Interrupt Flags thiab Monitors. Tsawg lub sij hawm tseem ceeb nkag, xws li serial ID cov ntaub ntawv thiab qhov chaw pib, muaj nyob rau ntawm nplooj ntawv xaiv muaj nuj nqi. Qhov chaw nyob interface siv yog A0xh thiab feem ntau yog siv rau lub sijhawm tseem ceeb ntawm cov ntaub ntawv xws li cuam tshuam kev tuav kom thiaj li pab tau ib zaug-nyeem ntawv rau tag nrho cov ntaub ntawv ntsig txog qhov teeb meem cuam tshuam. Tom qab muaj kev cuam tshuam, IntL tau lees paub, tus tswv tsev tuaj yeem nyeem tawm ntawm tus chij teb los txiav txim siab txog cov channel cuam tshuam thiab hom chij. Page02 yog Tus Neeg Siv EEPROM thiab nws hom ntawv txiav txim los ntawm tus neeg siv. Cov lus piav qhia txog kev nco tsawg thiab nplooj ntawv 00.page03 lub cim xeeb sab saud thov saib SFF-8436 daim ntawv. • Lub Sijhawm rau Kev Tswj Xyuas Mos thiab Cov Txheej Txheem Ua Haujlwm Parameter Cov Cim Max Chav Tsev Cov Txheej Txheem Lub Sijhawm Pib Pib Lub Sijhawm t_init 2000 ms Lub Sijhawm los ntawm lub hwj chim on1, kub ntsaws lossis nce ntug ntawm Reset kom txog rau thaum lub module yog tag nrho functional2 Reset Init Assert Time t_reset_init 2 μs A Rov pib dua yog tsim los ntawm qis theem ntev tshaj li qhov tsawg kawg nkaus pib dua lub sij hawm mem tes tam sim no ntawm ResetL tus pin. Serial Bus Hardware Npaj Sijhawm t_serial 2000 ms Lub Sijhawm los ntawm lub hwj chim on1 mus txog thaum module teb cov ntaub ntawv xa mus rau 2-xaim serial tsheb npav Saib Xyuas Cov Ntaub Ntawv ReadyTime t_data 2000 ms Lub sij hawm los ntawm lub hwj chim on1 rau cov ntaub ntawv tsis npaj, ntsis 0 ntawm Byte 2, deasserted thiab IntL asserted Pib dua Assert Lub Sijhawm t_reset 2000 ms Lub Sijhawm los ntawm nce ntug ntawm ResetL tus pin kom txog thaum lub module ua haujlwm tau zoo2 LPMode Assert Time ton_LPMode 100 μs Lub Sijhawm los ntawm kev lees paub ntawm LPMode (Vin: LPMode = Vih) kom txog thaum module fais fab noj nkag mus rau qis zog Qib IntL Assert Time ton_IntL 200 ms Lub Sijhawm los ntawm qhov tshwm sim ntawm qhov tshwm sim ua rau IntL mus txog rau Vout: IntL = Vol IntL Deassert Sijhawm toff_IntL 500 μs toff_IntL 500 μs Sijhawm los ntawm meej ntawm kev nyeem 3 kev ua haujlwm ntawm tus chij cuam tshuam txog Vout: IntL = Voh. Qhov no suav nrog lub sijhawm deassert rau Rx LOS, Tx Fault thiab lwm yam khoom chij. Rx LOS Assert Sijhawm ton_los 100 ms Lub Sijhawm los ntawm Rx LOS lub xeev mus rau Rx LOS me ntsis teeb thiab IntL lees tias Chij Assert Lub Sijhawm ton_flag 200 ms Lub Sijhawm los ntawm qhov tshwm sim ntawm tus chij rau cuam tshuam chij me ntsis teeb thiab IntL asserted Mask Assert Time ton_mask 100 ms Lub sij hawm los ntawm daim npog qhov ncauj ntsis set4 kom txog rau thaum cuam tshuam IntL kev lees paub yog inhibited Mask De-assert Time toff_mask 100 ms Lub Sijhawm los ntawm lub ntsej muag me ntsis cleared4 mus txog thaum cuam tshuam IntlL kev ua haujlwm rov pib ModSelL Assert Lub Sijhawm ton_ModSelL 100 μs Lub Sijhawm los ntawm kev lees paub ntawm ModSelL txog thaum module teb cov ntaub ntawv xa mus hla 2-xaim serial tsheb npav ModSelL Lub Sijhawm Deassert ModSelL ModSelL Lub Sijhawm Deassert toff_10dassel lub module tsis teb rau cov ntaub ntawv kis tau tus mob 2-xaim serial tsheb npav Power_over-ride los yogPower-set Assert sij hawm ton_Pdown 100 ms Lub sij hawm los ntawm P_Down ntsis teeb 4 mus txog rau thaum module fais fab mov nkag mus rau qis zog Qib Power_over-ride los yog Fais fab-set De-assert Sijhawm toff_Pdown 300 ms Lub Sijhawm los ntawm P_Down me ntsis cleared4 kom txog thaum lub module ua haujlwm tag nrho3 Lus Cim: 1. Fais fab rau yog txhais raws li qhov tam sim no thaum cov khoom siv hluav taws xob ncav cuag thiab nyob twj ywm ntawm lossis siab dua tus nqi qis kawg nkaus. 2. Kev ua haujlwm siab yog txhais raws li IntL asserted vim cov ntaub ntawv tsis npaj me ntsis, ntsis 0 byte 2 de-asserted. 3. Ntsuas los ntawm kev poob moos tom qab nres me ntsis ntawm kev nyeem ntawv pauv. 4. Ntsuas los ntawm kev poob moos tom qab nres me ntsis ntawm kev sau ntawv pauv. • Transceiver Block Diagram • Pin Assignment Diagram of Host Board Connector Block Pin Numbers and Nam • Pin Description Pin Logic Symbol Name/Description Ref. 1 GND Ground 1 2 CML-I Tx2n Transmitter Inverted Data Input 3 CML-I Tx2p Transmitter Non-Inverted Data output 4 GND Ground 1 5 CML-I Tx4n Transmitter Inverted Data Output 6 CML-I Tx4p Transmitter Non-Inverted Data Output 7 GND Av 1 8 LVTTL-I ModSelL Module Xaiv 9 LVTTL-I ResetL Module Reset 10 VccRx +3.3V Fais Fab Txais Txais 2 11 LVCMOS-I/O SCL 2-Wire Serial Interface Clock 12 LVCMOS-I/O SDA 2-Wire Serial Interface Data 13 GND Ground 1 14 CML- Rx3p Receiver Inverted Data Output 15 CML-O Rx3n Receiver Non-Inverted Data Output 16 GND Ground 1 17 CML-O Rx1p Receiver Inverted Data Output 18 CML-O Rx1n Receiver Non-Inverted Data Output 19 GND Av 1 20 GND Ground 1 21 CML-O Rx2n Receiver Inverted Data -O Rx2p Receiver Non-Inverted Cov Ntaub Ntawv Tso Tawm 23 GND Ground 1 24 CML-O Rx4n Receiver Inverted Data Output 25 CML-O Rx4p Receiver Non-Inverted Data Output 26 GND Ground 1 27 LVTTL-O ModPrsL Module Present 28 LVTTL-O IntL Powerpply + 29 V. Transmitter 2 30 Vcc1 +3.3V Power Supply 2 31 LVTTL-I LPMode Low Power Mode 32 GND Ground 1 33 CML-I Tx3p Transmitter Inverted Data Output 34 CML-I Tx3n Transmitter Non-Inverted Data Output 35 GND Ground 1 36 CML-I Txverted Transmitter Data Output 37 CML-I Tx1n Transmitter Non-Inverted Data Output 38 GND Ground 1 Notes: GND yog lub cim rau ib leeg thiab cov khoom siv (lub zog) ntau rau QSFP28 modules, Txhua yam muaj nyob rau hauv QSFP28 module thiab tag nrho cov module voltages raug xa mus rau qhov muaj peev xwm txwv tsis pub sau. Txuas cov no ncaj qha mus rau tus tswv tsev lub teeb liab lub dav hlau hauv av. Laser output disabled ntawm TDIS > 2.0V los yog qhib, enabled ntawm TDIS