Mawonekedwe ◊ Mawonekedwe amagetsi ogwirizana ndi SFF-8431 ◊ 850nm VCSEL laser ndi PIN chithunzi-detector ◊ Utali wotalikirapo ulalo wa 70m pa OM3 MMF ndi 100m pa OM4 MMF ◊ Digital diagnostics ntchito zilipo kudzera pa I2CC mawonekedwe kutentha ◊ Commercial mawonekedwe ◊ Operating kesi C mpaka +70 °C ◊ + 3.3V imodzi yamagetsi ◊ Kugwiritsa ntchito mphamvu zosakwana 1W ◊ RoHS ikugwirizana ◊ Kuteteza mawu achinsinsi kwa A0h ndi A2h Mapulogalamu ◊ 25GBASE-SR Ethernet ◊ Maseva, masiwichi, kusungirako ndi ma adapter makadi olandila Kufotokozera Mtheradi Ukuluikulu Woyezera Magawo Table1- Absolute Maximum Ratings . Zofanana Max. Unit Notes Supply Voltage Vcc3 -0.5 - +3.6 V Kusungirako Kutentha Ts -10 - +70 °C Chinyezi Chogwira Ntchito RH +5 - +85 % 1 Zindikirani: 1 Palibe condensation Ikulimbikitsidwa Zogwiritsiridwa Ntchito Parameter Chizindikiro Min. Zofanana Max. Unit Notes Operating Case Temperature TC 0 - +70 °C Power Supply Voltage Vcc 3.14 3.3 3.47 V Power Supply Current Icc - - 300 mA Power Dissipation Pd - - 1.0 W Bit Rate BR 8.5 25.78125 Fiber - Gbps Round - Gbps - Gbps 3. Gulu 2- Makhalidwe Ogwiritsiridwa Ntchito Olangizidwa Mawonekedwe a Magetsi Table 3- Makhalidwe Amagetsi Parameter Symbol Min. Lembani. Max. Ma Units Notes Transmitter Differential Data Input Swing Vin,PP 200 - 1600 mVPP Input Differential Impedance ZIN 90 100 110 Ω Tx_Fault Normal Operation VOL 0 - 0.8 V Transmitter Fault VOH 2.0 - VCCable V0 V Txmal Operation Normal Zimitsani VIH 2.0 - VCC+0.3 V Wolandira Differential Date Kutulutsa Vout 400 - 800 mV Kutulutsa Kusiyanitsa Kusokoneza ZD 90 100 110 Ω Rx_LOS Ntchito Yachizolowezi VOL 0 - 0.8 V Lose Signal VoH 4 Osptical - VCC-Optical Tanthauzo 2.0. Characteristics Parameter Symbol Unit Min Typ Max Notes Optical transmitter Characteristics Bit Rate BR Gbps 8.5 25.78125 - Center Wavelength Range λc nm 820 850 880 Average Launch powerTx_off Poff dBm - -20m Optical 6 P. Extinction Ratio ER dB 2 - - Spectral Width(RMS) RMS nm - - 0.65 Optical Receiver Characteristics Bit Rate BR Gbps 8.5 25.78125 Bit Error Rate BER - - E-12 Damage threshold DT 4dBm -Power Overload DT 4dBm -Power Overload. 2.4 - - 2 Center Wavelength Range λc nm 820 - 880 Receiver Sensitivity inAverage Power Sen dBm - - -5.2 3 Los Assert LosA dBm -30 - - Los De-Assert LosD dBm - - -13 Los 000 Hystere Hystere. 50/125 MMF. Kuyesedwa ndi PRBS 231-1 test pattern @25.78125Gbps.BER=E-12 3. BER=1x10-12; PRBS231-1@25.78125Gbps. Recommended Host Board Power Supply Circuit Chithunzi 1, Recommended Host Board Power Supply Circuit Recommended Interface Circuit Figure 2, Analimbikitsa Interface Circuit Pin makonzedwe a Chithunzi 3, Pin View Table 5-Pin Function Definitions Pin Symbol Name/Description 2 Ground Notes TX_FAULT Module Transmitter Fault 2 3 TX_DISABLE Transmitter Disable; Izimitsa transmitter laser output 3 4 SDA 2-Wire Serial Interface Data Line (MOD-DEF2) 5 SCL 2-Wire Serial Interface Clock (MOD-DEF1) 6 MOD_ABS Module Kulibe, yolumikizidwa ndi VEET kapena VEER mu gawo 2 7 RS0 Rate Sankhani 0, mwasankha kuwongolera SFP + module wolandila 4 8 RX_LOS Receiver Loss ya Signal Indication (Mu FC yodziwika kuti Rx_LOS ndi Ethernet yotchulidwa kuti NOT Signal Detect) 2 9 RS1 Rate Sankhani 1, mwasankha imayang'anira SFP + module transmitter 4 10 VEER Module Receiver Ground 1 11 VEER Module Receiver Ground 1 12 RD-Receiver Receiver 13 RD + Receiver Kutulutsa kwa data kosasinthika 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 Inputter Input9 Data Inputter 2 VEET Module Transmitter Ground 1 Zindikirani: Zikhomo zapansi za module zapatulidwa pagawo la module. Zikhomo zidzakokedwa ndi 4.7K-10Kohms kumagetsi pakati pa 3.14V ndi 3.46V pa board board. Pini imakokedwa mpaka VCCT ndi 4.7K-10KΩ resistor mu module. Onani SFF-8472 Rev12.2 Table 10-2. Tsatanetsatane wa Kuwunika Chithunzi 4, Memory Map Mechanical Design Digram Table 5- Cable Length Cable Length L (Unit: m) Kulekerera (Unit: cm) ≤1.0 +5/-0 1.0＜L≤4.5 +4.5≤4.5 +15/-0）L≤4.5 +15/-0. 14.5 +30/-0 ＞14.5 +2%/-0 Machenjezo Pogwira Ntchito Zodzitetezera: Chipangizochi chimatha kuwonongeka chifukwa cha electrostatic discharge (ESD). Malo opanda static akulimbikitsidwa kwambiri. Tsatirani malangizo molingana ndi njira zoyenera za ESD. Chitetezo cha Laser: Ma radiation opangidwa ndi zida za laser amatha kukhala owopsa kwa maso amunthu. Pewani kukhudzana ndi maso ndi ma radiation alunjika kapena osalunjika.

Mawonekedwe: ◊ Mapangidwe a misewu 4 MUX/DEMUX ◊ Integrated CWDM TOSA / ROSA kwa makilomita 10 kufika pamwamba pa SMF ◊ Support 100GBASE-CWDM4 pa mzere wa 103.125Gbps ndi OTU4 pa mzere wa 111.81Gbps ◊ Gbps 1 Gbps ◊ Zolumikizira za Duplex LC ◊ Zimagwirizana ndi IEEE 802.3-2012 Ndime 88 yokhazikika ya IEEE 802.3bm CAUI-4 chip ku module yamagetsi ya ITU-T G.959.1-2012-02 · ◊ Single +3.3V digito yamagetsi ikugwira ntchito ◊ ntchito ◊ Kutentha osiyanasiyana 0°C mpaka 70°C ◊ RoHS Compliant Part Applications: ◊ Local Area Network (LAN) ◊ Wide Area Network (WAN) ◊ ma switch a Ethernet ndi ma rauta Kufotokozera: The JHAQ28C10C ndi transceiver module yopangidwira 10km optical communication applications. Mapangidwewo akugwirizana ndi 100GbASE-LR4 ya IEEE 802.3-2012 Ndime 88 yokhazikika ya IEEE 802.3bm CAUI-4 chip ku module yamagetsi ya ITU-T G.959.1-2012-02. Module imatembenuza njira za 4 zolowetsa (ch) za 25.78 Gbps ku 27.95Gbps deta yamagetsi ku 4 lanes optical signals, ndikuwachulukitsa mu njira imodzi ya 100Gb / s optical transmission. Mobwerezabwereza, kumbali yolandira, module optically de-multiplexes 100Gb / s yolowera muzitsulo za 4, ndikuwatembenuzira ku misewu ya 4 yotulutsa deta yamagetsi. Mafunde apakati a misewu 4 ndi 1270 nm, 1290 nm, 1310 nm ndi 1330 nm. Ili ndi cholumikizira cha duplex LC cholumikizira mawonekedwe owoneka bwino ndi cholumikizira cha 38-pin cha mawonekedwe amagetsi. Kuti muchepetse kufalikira kwa kuwala munjira yayitali, fiber single-mode (SMF) iyenera kugwiritsidwa ntchito mu gawoli. Chogulitsacho chimapangidwa ndi mawonekedwe, mawonekedwe owoneka / magetsi komanso mawonekedwe owunikira digito malinga ndi QSFP28 Multi-Source Agreement (MSA). Lapangidwa kuti likwaniritse zovuta zogwirira ntchito zakunja kuphatikiza kutentha, chinyezi ndi kusokoneza kwa EMI. Gawoli limagwira ntchito kuchokera ku mphamvu imodzi ya + 3.3V ndi zizindikiro zolamulira zapadziko lonse za LVCMOS / LVTTL monga Module Present, Reset, Interrupt and Low Power Mode zilipo ndi ma modules. A 2-waya serial mawonekedwe akupezeka kuti atumize ndi kulandira zizindikiro zowongolera zovuta komanso kupeza chidziwitso cha digito. Makanema apawokha amatha kuyan'anidwa ndipo mayendedwe osagwiritsidwa ntchito amatha kutsekedwa kuti azitha kusinthasintha kwambiri. JHAQ28C10C idapangidwa ndi mawonekedwe, kulumikizana kwamagetsi / kuwala komanso mawonekedwe a digito malinga ndi QSFP28 Multi-Source Agreement (MSA). Lapangidwa kuti likwaniritse zovuta zogwirira ntchito zakunja kuphatikiza kutentha, chinyezi ndi kusokoneza kwa EMI. Gawoli limapereka magwiridwe antchito apamwamba kwambiri komanso kuphatikiza kwazinthu, kupezeka kudzera pamawonekedwe a waya awiri. • Absolute Maximum Ratings Parameter Symbol Min. Zofanana Max. Unit Storage Temperature TS -40 +85 °C Supply Voltage VCCT, R -0.5 4 V Chinyezi Chachibale RH 0 85 % • Malo Ogwiritsira Ntchito Ovomerezeka: Parameter Symbol Min. Zofanana Max. Unit Case ntchito Kutentha TC 0 +70 °C Supply Voltage VCCT, R +3.13 3.3 +3.47 V Supply Current ICC 1100 1500 mA Power Dissipation PD 5 W • Makhalidwe Amagetsi (TOP = 0 mpaka 70 °C, VCC3 3.7 VCC = 3. Parameter Symbol Min Typ Max Unit Note Data Rate pa Channel - 25.78125 Gbps 27.9525 Power Consumption - 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 0.35 V Inter-Channel SSK Ps RESETL Nthawi ya 10 Us RESETL De-assert nthawi 100 ms Mphamvu Pa Nthawi 100 ms Transmitter Single End Output Voltage Tolerance 0.3 Vcc V 1 Common mode Voltage Tolerance 15 mV Transmit Input Diff Voltage VI 150 1200 mV Transmit Input Diff Impedance 1515 Deta Impedance 1515 Deta Impedance 1 Jipu 510 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 and Fall Voltage Tr/Tf 35 ps 1 Total Jitter TJ 0.3 UIPtical = 0.3 UIPtical: 0.3 UIPtical: 0.3 UIPtical 0 ku 70 °C, VCC = 3.0 mpaka 3.6 Volts) Parameter Symbol Min Typ Max Unit Ref. Transmitter Wavelength Ntchito L0 1264.5 1271 1277.5 nm L1 1284.5 1291 1297.5 nm L2 1304.5 1311 1317.5 nm L3 1324.5 13. 30 - - dB Total Average Launch Power PT -6 - 6.5 dBm Average Launch Power, Lane iliyonse -6 - 2.5 dBm Difference in Launch Power pakati pa Njira ziwiri (OMA) - - 3.5 dB TDP, Lane TDP 2.2 dB Extinction Ratio iliyonse 4 - dB Transmitter Eye Mask Tanthauzo {X1, X2, X3, Y1, Y2, Y3} {0.25, 0.4, 0.45, 0.25, 0.28, 0.4} Optical Return Loss Tolerance - - 20 dB Average Launch Power OFF Transmitter, Lane Poff iliyonse -30 dBm Intens Rent. -128 dB/HZ 1 Optical Return Loss Tolerance - - 12 dB Receiver Damage Threshold THd 3.3 dBm 1 Average Power pa Receiver Input, Lane iliyonse R -13.0 0 dBm RSSI Kulondola -2 2 dB Receiver Reflectance RdB - Lane6 Reflectance RdB -2i iliyonse - 3.5 dBm LOS De-Assert LOSD -15 dBm LOS Assert LOSA -25 dBm LOS Hysteresis LOSH 0.5 dB Zindikirani 12dB Kuwonetsera • Diagnostic Monitoring Interface Digital diagnostics monitoring ntchito ikupezeka pa QSFP28 LR4 yonse. Mawonekedwe a 2-waya siriyo amapereka wosuta kulumikizana ndi module. Mapangidwe a kukumbukira akuwonetsedwa mukuyenda. Malo okumbukira amakonzedwa kukhala apansi, tsamba limodzi, malo adilesi a 128 byte ndi masamba angapo apamwamba adilesi. Kapangidwe kameneka kamalola kuti maadiresi omwe ali patsamba lapansi azitha kufika panthaŵi yake, monga Interrupt Flags and Monitors. Zolemba zocheperako za nthawi yovuta, monga chidziwitso cha serial ID ndi zoikamo pakhomo, zilipo ndi ntchito ya Tsamba Sankhani. Mawonekedwe adilesi omwe amagwiritsidwa ntchito ndi A0xh ndipo amagwiritsidwa ntchito makamaka pa nthawi yovuta kwambiri monga kusokoneza kusokoneza kuti athe kuwerengera kamodzi kwa deta yonse yokhudzana ndi vuto losokoneza. Pambuyo pa kusokoneza, IntL yatsimikiziridwa, wolandirayo akhoza kuwerenga mzere wa mbendera kuti adziwe njira yomwe yakhudzidwa ndi mtundu wa mbendera. Page02 ndi User EEPROM ndipo mawonekedwe ake amasankhidwa ndi wogwiritsa ntchito. Tsatanetsatane wa memory low memory ndi page00.page03 chapamwamba kukumbukira chonde onani chikalata cha SFF-8436. • Nthawi ya Soft Control ndi Status Functions Parameter Symbol Max Unit Conditions Initialization Time t_init 2000 ms Nthawi kuchokera pa mphamvu pa1, plug yotentha kapena kukwera m'mphepete mwa Bwezerani mpaka gawoli likugwira ntchito bwino2 Bwezeretsani Init Assert Time t_reset_init 2 μs Kubwezeretsa kumapangidwa ndi kutsika kochepa. mulingo wotalikirapo kuposa nthawi yocheperako yotsitsimutsa yomwe ilipo pa pini ya ResetL. Seri Bus Hardware Ready Time t_serial 2000 ms Nthawi yoyambira pa1 mpaka gawo liyankha kutumizidwa kwa data pa 2-waya seriyo basi Monitor Data ReadyTime t_data 2000 ms Nthawi kuchokera pamphamvu1 kupita ku data yomwe sinakonzekere, pang'ono 0 ya Byte 2, yotayidwa ndi IntL yatsimikizira Bwezeretsani Nthawi Yowonjezera t_reset 2000 ms Nthawi kuchokera m'mphepete pa ResetL pini mpaka gawoli likugwira ntchito mokwanira2 LPMode Assert Time ton_LPMode 100 μs Nthawi kuchokera kutsimikizira kwa LPMode (Vin: LPMode = Vih) mpaka mphamvu yogwiritsira ntchito mphamvu ilowa m'munsi mwa Power Level IntL Assert Time ton_IntL 200 ms Nthawi kuchokera pazochitika zomwe zimayambitsa IntL Vout:IntL = Vol IntL Deassert Time toff_IntL 500 μs toff_IntL 500 μs Nthawi kuyambira poyera pa read3 kugwira ntchito kwa mbendera yogwirizana mpaka Vout:IntL = Voh. Izi zikuphatikiza nthawi zophatikizira Rx LOS, Tx Fault ndi mabendera ena. Rx LOS Assert Nthawi ton_los 100 ms Nthawi kuchokera ku Rx LOS state kufika ku Rx LOS bit set ndi IntL imatsimikizira kuti Flag Assert Time ton_flag 200 ms Nthawi kuchokera pakuchitika zinthu zomwe zikuyambitsa mbendera kupita ku seti ya mbendera ndipo IntL idati Mask Assert Time ton_mask 100 ms Nthawi kuchokera ku chigoba. bit set4 mpaka kugwirizana kwa IntL kuletsedwa Mask De-assert Time toff_mask 100 ms Nthawi kuchokera ku mask bit clear4 mpaka opareshoni ya IntlL iyambiranso ModSelL Assert Time ton_ModSelL 100 μs Nthawi kuchokera pakunena kwa ModSelL mpaka gawo liyankha kutumiza kwa data pa 2-waya seriyo basi ModSelL Deassert Time toff_Mod0 Time toff_Mod0 Time toff_Mod0 Time toff za ModSelL mpaka gawoli silikuyankha kufalitsa kwa data pa 2-waya seri bus Power_over-ride orPower-set Assert Time ton_Pdown 100 ms Nthawi kuchokera P_Down bit set 4 mpaka gawo logwiritsa ntchito mphamvu likulowa m'munsi Power Level Power_over-ride kapena Power-set De. -assert Time toff_Pdown 300 ms Nthawi kuchokera ku P_Down bit cleared4 mpaka gawoli likugwira ntchito bwino3 Chidziwitso: 1. Mphamvu yamagetsi imatanthauzidwa ngati nthawi yomweyo ma voltages amagetsi amafika ndikukhalabe pamwamba pa mtengo womwe watchulidwa. 2. Kugwira ntchito mokwanira kumatanthauzidwa kuti IntL imanenedweratu chifukwa cha data yomwe sinakonzekere pang'ono, bit 0 byte 2 de-asserted. 3. Kuyezedwa kuchokera m'mphepete mwa wotchi pambuyo poyimitsa pang'ono powerenga. 4. Kuyezedwa kuchokera m'mphepete mwa wotchi pambuyo poyimitsa pang'ono polemba. • Chithunzi cha Block Block • Pin Assignment Diagram of Host Board Connector Block Pin Numbers ndi Nam • Pin Description Pin Logic Symbol Name/Tanthauzo 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 7 Data Gawo 18 LVTTL-I ModSelL Module Sankhani 9 LVTTL-I ResetL Module Bwezerani 10 VccRx +3.3V Wolandila Mphamvu 2 11 LVCMOS-I/O SCL 2-Wire Serial Interface Clock 12 LVCMOS-I/O SDA 2-Wire seri Interface Data 13 GND14 Ground 1 CML-O Rx3p Receiver Inverted Data Output 15 CML-O Rx3n Receiver Dongosolo Lopanda Inverted 16 GND Ground 1 17 CML-O Rx1p Receiver Inverted Data Output 18 CML-O Rx1n Receiver Non-Inverted Data Output 19 GND Ground 1 1 20 GND 20 GND Inverted CML Deta Kutulutsa kwa 22 CML-O Rx2p Receiver Kutulutsa Kwa data 23 GND Ground 1 24 CML-O Rx4n Receiver Inverted Data Output 25 CML-O Rx4p Receiver Kutulutsa Kwa data 26 GND Ground 1 TL-27 Moduli LVT 1 TL-27 Moduli LVT LVTTL-O IntL Kusokoneza 29 VccTx + 3.3V Power Supply 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 Transmitter3 CML Transmitter3x3 Data Output TnItter -Zosintha Zosintha Kutulutsa 35 GND Ground 1 36 CML-I Tx1p Transmitter Inverted Data Output 37 CML-I Tx1n Transmitter Non-Inverted Data Output 38 GND Ground 1 Notes: GND ndi chizindikiro cha single and supply(mphamvu) yodziwika pa ma module a QSFP28, Zonse ndizofala mkati mwa gawo la QSFP28 ndi ma voltages onse amafotokozedwera ku izi zomwe zanenedwa mwanjira ina. Lumikizani izi molunjika ku gulu lokhala ndi chizindikiro cha common ground. Kutulutsa kwa laser kumayimitsidwa pa TDIS> 2.0V kapena kutsegulidwa, kuyatsa pa TDIS