Atụmatụ ◊ Eletrọnịkị interface kwekọrọ na SFF-8431 ◊ 850nm VCSEL laser na PIN foto-detector ◊ Ogologo njikọ kacha elu nke 70m na ​​OM3 MMF na 100m na ​​OM4 MMF ◊ Digital diagnostics function dị site na I2C Operating interface Commer. C ruo +70 Celsius ◊ + 3.3V otu ike ọkọnọ ◊ Oriri ike na-erughị 1W ◊ RoHS kwadoro ◊ Nchekwa okwuntughe maka ngwa A0h na A2h ◊ 25GBASE-SR Ethernet ◊ Sava, switches, nchekwa na ndị na-ahụ maka kaadị nnabata nkọwapụta zuru oke oke ọkwa Tebụlụ 1- Oke kachasị oke. Min. Oke kacha. Nkeji ndetu ọkọnọ voltaji Vcc3 -0.5 - +3.6 V Okpomọkụ Ts -10 - +70 Celsius C iru mmiri na-arụ ọrụ RH +5 - + 85 % 1 Mara: 1 Ọ dịghị condensation akwadoro Ọnọdụ ọrụ Parameter Symbol Min. Oke kacha. Ihe ndetu nkeji na-arụ ọrụ ọnọdụ ọnọdụ okpomọkụ TC 0 - +70 °C Ọkụ ọkụ ọkụ Vcc 3.14 3.3 3.47 V na-enye ike ugbu a Icc - - 300 mA Pd Nkwụsị ike - - 1.0 W Bit Rate BR 8.5 25.78125 - Gbps Bend - Gbps Tebụl 2- Ọnọdụ arụ ọrụ akwadoro Tebụl njirimara Eletriki 3- akara akara njirimara eletrịkị Min. Ụdị. Oke. Nkeji ndetu na-ebufe ihe dị iche iche ntinye data ntinye Swing Vin,PP 200 - 1600 mVPP Ntinye dị iche iche Impedance ZIN 90 100 110 Ω Tx_Fault Normal Operation VOL 0 - 0.8 V Mmehie VOH 2.0 - VCC V Tx_Disable VIL. VIH 2.0 - VCC+0.3 V Onye nnata ụbọchị dị iche Mpụta Vout 400 - 800 mV Mpụta dị iche iche Impedance ZD 90 100 110 Ω Rx_LOS Normal Operation VOL 0 - 0.8 V Ichefu akara ngosi VoH 2.0 - VCC Optical VCC Njirimara Character VCC 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 Nkezi Mwepụta powerTx_off Poff dBm - - -45 Mwepụta ngwa anya P00 dBm. 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 Nwepu mmebi DT dBm 3.4 - - Bufee Ntinye -Bm 3.4 - - Bufee Center -Bm ike ike. λc nm 820 - 880 Nnata Sensitivity na Nkezi Ike Sen dBm - - -5.2 3 Los Assert LosA dBm -30 - - Los De-Assert LosD dBm - - -13 Los Hysteresis LosH dB 0.5 Mara: Ejikọtara ya na 50/125 MMF. Atụtara ya na ụkpụrụ nnwale PRBS 231-1 @25.78125Gbps.BER=E-12 3. BER=1x10-12; PRBS231-1 @ 25.78125Gbps. Na-atụ aro Host Board Power Supply Circuit Figure 1, Na-atụ aro Host Board Power Supply Circuit tụrụ aro Interface Circuit Figure 2, akwadoro Interface Circuit Pin ndokwa Figure 3, Pin View Tebụl 5-Pin Ọrụ Nkọwa Pin Akara Aha/Nkọwa ndetu 1 VEET Module Transmitter Ground 1 2 Mmehie Mbugharị Modul TX_FAULT 2 3 TX_DISABLE Gbanyụọ nnyefe; Na-agbanyụ mmepụta laser transmitter 3 4 SDA 2-Wire Serial Interface Data Line (MOD-DEF2) 5 SCL 2-Wire Serial Interface Clock (MOD-DEF1) 6 MOD_ABS Module Adịghị, jikọọ na VEET ma ọ bụ VEER na modul 2 7 RS0 Rate Họrọ 0, nhọrọ na-ejikwa SFP+ modul nnata 4 8 RX_LOS Nnata Ọnwụ nke ngosi akara (Na FC akpọrọ dị ka Rx_LOS na na Ethernet akpọpụtara dị ka Ọ BỤGHỊ Ịchọta Signal) 2 9 RS1 Rate Họrọ 1, nhọrọ na-achịkwa SFP+ modul transmitter 4 10 VEER Module Nnata Ground 1 11 VEER Module Nnata Data Ground 1 12 RD In-Ververted Data Receiver Ground 1 12 RD. Mpụta 13 RD+ nnata Mmepụta data anaghị agbanwe agbanwe 14 VEER Module Nnata Ground 1 15 VCCR Module Nnata 3.3 V Nnyefe 16 VCCT Module Transmitter 3.3 V Nnyefe 17 VEET Module Transmitter Ground 1 18 TD+ Nyefee data agbasaghị 1. 20 VEET Module Transmitter Ground 1 Rịba ama: Mpịakọta ala modul dịpụrụ adịpụ na ikpe modul. A ga-eji 4.7K-10Kohms bulite atụdo na voltaji n'etiti 3.14V na 3.46V na bọọdụ nnabata. A na-adọta ntụtụ ahụ ruo VCCT nwere ihe mgbochi 4.7K-10KΩ na modul. Lee SFF-8472 Mkpu12.2 Tebụl 10-2. Nlebanya nkọwapụta onyonyo 4, Tebụl Nhazi nhazi Map ebe nchekwa 5- Ogologo eriri USB ogologo L (Unit: m） ndidi) (Unit: cm） ≤1.0 +5/-0 1.0＜L≤4.5 +15/-0 4.5＜L 14.5 +30/-0 14.5 +2%/-0 Ịdọ aka ná ntị Ijikwa kpachara anya: Ngwaọrụ a nwere ike imebi n'ihi mwepu electrostatic (ESD). A na-atụ aro gburugburu ebe kwụ ọtọ n'efu. Soro ntuziaka dabere na usoro ESD kwesịrị ekwesị. Nchekwa Laser: Radiation nke ngwaọrụ laser na-ewepụta nwere ike ịdị ize ndụ nye anya mmadụ. Zere ikpughe anya na radieshon ozugbo ma ọ bụ na-apụtaghị ìhè.

Atụmatụ: ◊ 4 ụzọ MUX / DEMUX imewe ◊ Integrated CWDM TOSA / ROSA maka ihe ruru 10 km rutere n'elu SMF ◊ Nkwado 100GBASE-CWDM4 maka akara akara nke 103.125Gbps na OTU4 maka akara ọnụọgụ nke 111.81Gbps0 nke bandwidth 111.81Gbps0. ◊ Duplex LC njikọ ◊ Dabara na IEEE 802.3-2012 Nkeji edemede 88 ọkọlọtọ IEEE 802.3bm CAUI-4 mgbawa ka modul eletriki ọkọlọtọ ITU-T G.959.1-2012-02 ọkọlọtọ · ◊ Single +3.3V ike ọkọnọ na-arụ ọrụ ◊ Dijitalụ ọrụ nyocha ◊ ​​Oke okpomọkụ 0°C ruo 70°C ◊ RoHS Part Compliant Part Application: ◊ Local Area Network (LAN) ◊ Wide Area Network (WAN) ◊ Ethernet switches and router application Description: JHAQ28C10C bụ modul transceiver emebere maka ngwa nkwurịta okwu anya 10km. Nhazi ahụ kwekọrọ na 100GbASE-LR4 nke IEEE 802.3-2012 Clause 88 ọkọlọtọ IEEE 802.3bm CAUI-4 mgbawa na modul ọkọlọtọ ITU-T G.959.1-2012-02 ọkọlọtọ. Modul ahụ na-atụgharị ọwa ntinye ntinye 4 (ch) nke 25.78 Gbps na data eletriki 27.95Gbps gaa na akara ngosi anya 4, ma na-atụgharị ha n'otu ọwa maka nnyefe anya 100Gb / s. N'aka nke ọzọ, n'akụkụ nnata, modul optically de-multiplexes na-etinye ntinye 100Gb / s n'ime akara ụzọ 4, wee gbanwee ha na ụzọ 4 na-emepụta data eletrik. Ogologo ebili mmiri etiti nke ụzọ 4 bụ 1270 nm, 1290 nm, 1310 nm na 1330 nm. Ọ nwere njikọ LC duplex maka interface anya yana njikọ 38-pin maka ngwa eletrik. Iji belata mgbasa nke anya na sistemu ogologo oge, a ga-etinye eriri otu mode (SMF) na modul a. Emebere ngwaahịa a n'ụdị ihe, njikọ anya/ọkụ eletrik na interface nchọpụta dijitalụ dị ka Agreement Multi-Source (MSA) QSFP28 siri dị. Emebere ya ka ọ zute ọnọdụ arụ ọrụ mpụga kacha sie ike gụnyere okpomọkụ, iru mmiri na ndabichi EMI. Modul na-arụ ọrụ site na otu + 3.3V ike ọkọnọ na LVCMOS/LVTTL akara ngosi njikwa ụwa dị ka Module Present, Reset, Interrupt na Low Power Mode dị na modulu. Oghere Usoro nke waya abụọ dị maka izipu ma nata akara njikwa dị mgbagwoju anya yana ịnweta ozi nyocha dijitalụ. Enwere ike ilebara ọwa nke ọ bụla anya yana enwere ike mechie ọwa ndị na-ejighị ya maka mgbanwe nhazi kachasị. Emebere JHAQ28C10C n'ụdị ihe, njikọ anya/ọkụ eletrik na interface nchọpụta dijitalụ dị ka Agreement Multi-Source QSFP28 (MSA) siri dị. Emebere ya ka ọ zute ọnọdụ arụ ọrụ mpụga kacha sie ike gụnyere okpomọkụ, iru mmiri na ndabichi EMI. Modul ahụ na-enye ọrụ dị oke elu yana njikọta njirimara, nke a na-enweta site na interface serial waya abụọ. • Ihe nrịbama oke akara kacha elu Min. Oke kacha. Okpomọkụ nkeji Nchekwa TS -40 + 85 Celsius C na-ebunye voltaji VCCT, R -0.5 4 V iru mmiri RH 0 85 % • Mpaghara arụ ọrụ akwadoro: Parameter Symbol Min. Oke kacha. Unit Case na-arụ ọrụ Okpomọkụ TC 0 +70 °C Na-ebunye Voltage VCCT, R +3.13 3.3 +3.47 V Nnyefe ICC ugbu a 1100 1500 mA Nkwụsị Ike PD 5 W • Àgwà eletrik (TOP = 0 ruo 70 °C. Mpempe akara nkeji Ọnụego data ọnụọgụ ọnụọgụ kacha elu kwa ọwa - 25.78125 Gbps 27.9525 Oriri Ike - 2.7 3.5 W Na-eweta Icc ugbu a 0.8 1 A Control I/O Voltage-High VIH 2.0 Vcc V Control I/O Voltage-Low VIL Interw-SKnke S. Ogologo 35 Ps RESETL 10 US RESETL De-assert time 100 ms Ike n'oge 100 ms Onye na-ebufe otu agwụla agwụ Voltage Delerance 0.3 Vcc V 1 Ọnọdụ nkịtị Voltage ndidi 15 mV Nyefee Ntinye Diff Voltage VI 150 1200 mV Nyefee Ntinye Zụt Diff0t5 Imped11. Jitter DDJ 0.3 UI nnata Single kwụsịrị mmepụta voltaji ndidi 0.3 4 V Rx Mmepụta Diff Voltage Vo 370 600 950 mV Rx Mmepụta Rise na Fall Voltage Tr/Tf 35 ps 1 Total Jitter TJ 0.3% UI Mara: 8meter = 0 ruo 70 Celsius C, VCC = 3.0 ruo 3.6 Volts) Parameter Symbol Min Typ Max Unit Ref. Ihe nfefe ogologo oge L0 1264.5 1271 1277.5 nm L1 1284.5 1291 1297.5 nm L2 1304.5 1311 1317.5 nm L3 1324.5 1331 13mti SMS 30 - - dB Total Nkezi Mwepụta Ike PT -6 - 6.5 dBm Nkezi Mwepụta Ike, Lane ọ bụla -6 - 2.5 dBm Ọdịiche dị na Mwepụta Ike n'etiti ụzọ abụọ ọ bụla (OMA) - - 3.5 dB TDP, Lane TDP 2.2 dB Ratio ER. 4 - - Nkọwa nkpuchi anya dB transmitter {X1, X2, X3, Y1, Y2, Y3} {0.25, 0.4, 0.45, 0.25, 0.28, 0.4} Nleghachi nkwụghachi azụ anya -- 20 dB Nkezi Mwepụta Ike Gbanyụọ Onye Nnyefe, Lane Poff ọ bụla -30 dBm Relative Intensity Noise Rin -128 dB/HZ Nlaghachi Optical Ntachi obi - - 12 dB Ọnụ ụzọ mmebi nke nnata THd 3.3 dBm 1 Nkezi Ike na ntinye nnabata, Lane ọ bụla R -13.0 0 dBm RSSI ziri ezi -2 2 dB Nnata Nlebaanya Rrx -26 dB Ike Nnata (OMA), Lane ọ bụla -sert 3.5 dBm LOSD LOS 15 dBm LOS kwuputara LOSA -25 dBm LOS Hysteresis LOSH 0.5 dB Note 12dB Ntughari Ntughari Nchọpụta Nyocha Dijitalụ Diagnostics ọrụ nlekota oru dị na QSFP28 LR4 niile. Oghere Usoro 2-waya na-enye onye ọrụ ka ọ kpọtụrụ modul. E gosipụtara nhazi nke ebe nchekwa na-asọpụta. A haziri oghere ebe nchekwa ka ọ bụrụ ibe dị ala, otu ibe, oghere adreesị nke 128 bytes yana ọtụtụ ibe oghere adreesị elu. Ihe owuwu a na-enye ohere ịnweta adreesị n'oge dị n'okpuru, dị ka Ọkọlọtọ Nkwụsị na Nyocha. Ntinye oge dị obere oge dị oke egwu, dị ka ozi ID serial na ntọala ọnụ ụzọ, dị na ọrụ Họrọ Page. Adreesị interface a na-eji bụ A0xh ma bụrụ nke a na-ejikarị eme ihe maka oge dị oke egwu data dị ka nkwụsịtụ njikwa iji mee ka otu oge gụọ maka data niile metụtara ọnọdụ nkwụsịtụ. Mgbe nkwụsịtụ gasịrị, ekwupụtala IntL, onye ọbịa nwere ike ịgụpụta mpaghara ọkọlọtọ iji chọpụta ọwa emetụtara na ụdị ọkọlọtọ. Page02 bụ Onye ọrụ EEPROM na usoro ya nke onye ọrụ kpebiri. Nkọwa nkọwa nke ebe nchekwa dị ala na ibe00.page03 ebe nchekwa dị elu biko hụ akwụkwọ SFF-8436. • Oge maka Soft Control na Status Functions Parameter Symbol Max Unit Conditions Initialization Time t_init 2000 ms Oge site na ọkụ on1, plọg ọkụ ma ọ bụ ịrị elu nke Tọgharia ruo mgbe modul arụrụ ọrụ zuru oke2 Tọgharia Init Assert Time t_reset_init 2 μs A na-emepụta nrụpụta site na obere ala. Ọkwa dị ogologo karịa oge nrụpụta opekempe dị na ntụtụ ResetL. Oge Njikere Serial Bus Hardware t_serial 2000 ms Oge site na ike on1 ruo mgbe modul zara na nnyefe data n'elu 2-waya serial ụgbọ ala Nyochaa Data Njikere Time t_data 2000 ms Oge site na ike on1 ka data adịghị njikere, bit 0 nke Byte 2, deasserted na IntL kwadoro. Tọgharia oge nkwụnye ego t_reset 2000 ms Oge site na ịrị elu na ntụtụ ResetL ruo mgbe modul na-arụ ọrụ nke ọma2 LPMode Assert Time ton_LPMode 100 μs Oge site na nkwuputa LPMode (Vin: LPMode = Vih) ruo mgbe modul ike oriri na-abanye n'ime ala Power Level IntL Assert Time ton_IntL 200 ms Oge site na ọnọdụ nke na-akpalite IntL ruo Vout:IntL = Vol IntL Oge eji megharịa ọnụ toff_IntL 500 μs toff_IntL 500 μs Oge site na doro anya na ịgụ 3 ọrụ nke ọkọlọtọ metụtara ruo mgbe Vout:IntL = Voh. Nke a gụnyere oge deassert maka Rx LOS, Tx Fault na ibe n'ibe ọkọlọtọ ndị ọzọ. Oge nrịbama Rx LOS ton_los 100 ms Oge site na Rx LOS steeti ruo Rx LOS bit set na IntL kwuputara Flag Assert Time ton_flag 200 ms Oge site na ọnọdụ ọnọdụ na-akpalite ọkọlọtọ gaa na njiri ọkọlọtọ jikọtara yana IntL kwuputara oge nkpuchi oge ton_mask 100 ms Oge sitere na nkpuchi. bit set4 ruo mgbe agbakwunyere nkwuputa IntL emetụtara Oge nkpuchi nkpuchi toff_mask 100 ms Oge site na nkpuchi bit ekpochapụ4 ruo mgbe ọrụ IntlL jikọtara ya maliteghachi ModSelL Assert Time ton_ModSelL 100 μs Oge site na nkwupụta nke ModSelL ruo mgbe modul zara na nnyefe data n'elu 2-waya serial ụgbọ ala ModSelL Deassert Time toff_ModSelL 100 μs Time dessert Time toff_ModSelL. modul anaghị azaghachi na nnyefe data n'elu 2-waya serial ụgbọ ala Power_over-ride or Power-set Asert Time ton_Pdown 100 ms Oge si P_Down bit setịpụrụ 4 ruo mgbe modul ike oriri na-abanye n'ọkwa ike Power_over-ride ma ọ bụ Power-set De-assert Time toff_Pdown Oge 300 ms site na P_Down bit ekpochapụ4 ruo mgbe modul ahụ zuru oke3 Cheta: 1. A na-akọwapụta ọkụ ọkụ. dị ka ozugbo mgbe ọkọnọ voltaji ruru na-anọgide na ma ọ bụ n'elu kacha nta kpọmkwem uru. 2. A kọwapụtara arụmọrụ zuru oke dị ka IntL siri kwupụta n'ihi data adịghị njikere bit, bit 0 byte 2 de-ekwuputa. 3. Atụtara site na ọdịda elekere mgbe nkwụsịtụ nke azụmahịa gụchara. 4. Atụtara site na ọdịda elekere ọdịda mgbe nkwụsịtụ nke ide azụmahịa. • Eserese ngọngọ transceiver • Ntụnye ọrụ ntụtụ nke ihe njikọ Board Bochum Block Pin Numbers na Nam • Nkọwa ntụtụ Pin Logic Symbol Name/Description Ref. 1 GND Ground 1 2 CML-I Tx2n Transmitter Inverted Data Ntinye 3 CML-I Tx2p Transmitter Na-abụghị nke data 4 GND Ground 1 5 CML-I Tx4n Transmitter Mbupute Data 6 CML-I Tx4p Onye Nnyefe na-abụghị GND Nwepụtaghị7 Ala 1 8 LVTTL-I ModSelL Module Họrọ 9 LVTTL-I ResetL Module Tọgharia 10 VccRx +3.3V Onye na-anata ike na-enweta ike 2 11 LVCMOS-I/O SCL 2-Wire Serial Interface Clock 12 LVCMOS-I/O SDA 2-Wire Serial Interface Data Ground 13 Ground Onye nnata CML-O Rx3p Mbupute data atụgharịgharịrị 15 CML-O Rx3n Onye na-anata data anaghị agbanwe agbanwe 16 GND Ground 1 17 CML-O Rx1p Onye nnata Mbupute data 18 CML-O Rx1n Onye na-enweta data anaghị agbanwe agbanwe 19 GND-Ground1 Ground1. Rx2n Mbupute data ngbanwe nke nnata 22 CML-O Rx2p Onye nnata anaghị atụgharị data 23 GND Ground 1 24 CML-O Rx4n Nnata Mbupute data 25 CML-O Rx4p Onye na-anata anaghị atụgharị 26 GNDO LTTL. Na-eweta 28 LVTTL-O IntL nkwụsị 29 VccTx +3.3V Onye Nnyefe Ike 2 30 Vcc1 +3.3V Nnyefe Ike 2 31 LVTTL-I LPMode Ọnọdụ Ike dị ala 32 GND Ground 1 33 CML-I Tx3p Nnyefe Ntanetị CML-3n Nnyefe Mmepụta data anaghị agbanwe agbanwe 35 GND Ground 1 36 CML-I Tx1p Transmitter Transmitter Inverted Data 37 CML-I Tx1n Transmitter Na-abụghị nke 38 GND Ground 1 Ihe edeturu: GND bụ akara maka otu na ọkọnọ (ike) a na-ahụkarị maka modul QSFP28 , Niile na-ahụkarị n'ime QSFP28 modul na ihe niile modul voltaji na-ezo aka nke a nwere ike kwuru ma ọzọ. Jikọọ ihe ndị a ozugbo na mgbama ụgbọ elu nkịtị nke bọọdụ nnabata. Nrụpụta laser agbanyụrụ na TDIS>2.0V ma ọ bụ meghere, agbanyere na TDIS