Awọn ẹya ara ẹrọ ◊ Itanna ni wiwo ibamu si SFF-8431 ◊ 850nm VCSEL lesa ati PIN Fọto-oluwadi ◊ Iwọn ọna asopọ ti o pọju ti 70m lori OM3 MMF ati 100m lori OM4 MMF ◊ Digital diagnostics interface ◊ Digital diagnostics interface wa nipasẹ I2C Operating case0 ° Commer interface. C si +70 °C ◊ + 3.3V ipese agbara ẹyọkan ◊ Lilo agbara kere ju 1W ◊ RoHS ifaramọ ◊ Idaabobo Ọrọigbaniwọle fun A0h ati Awọn ohun elo A2h ◊ 25GBASE-SR Ethernet ◊ Awọn olupin, awọn iyipada, ibi ipamọ ati awọn oluyipada kaadi kaadi alejo sipesifikesonu Awọn iwọn Iwọn to gaju to gaju Table1- Idiwọn Iwọn to gaju Min. Aṣoju Max. Awọn akọsilẹ Unit Ipese Foliteji Vcc3 -0.5 - + 3.6 V Iwọn Ibi ipamọ Ts -10 - +70 °C Ṣiṣẹ Ọriniinitutu RH +5 - + 85 % 1 Akiyesi: 1 Ko si condensation Niyanju Awọn ipo iṣẹ paramita Aami Min. Aṣoju Max. Awọn akọsilẹ Unit Nṣiṣẹ Igba otutu TC 0 - +70 °C Agbara Ipese Agbara Vcc 3.14 3.3 3.47 V Ipese Agbara Icc lọwọlọwọ - - 300 mA Agbara Pipa Pipa - - 1.0 W Oṣuwọn Bit BR 8.5 25.78125 - Gbps - Gbps Tabili 2- Niyanju ṣiṣẹ Awọn ipo Itanna Awọn abuda Tabili 3- Itanna Awọn abuda paramita Aami Min. Iru. O pọju. Sipo Awọn akọsilẹ Atagba Iyatọ Data Input Swing Vin, PP 200 - 1600 mVPP Input Iyatọ Impedance ZIN 90 100 110 Ω Tx_Fault Deede isẹ VOL 0 - 0.8 V Atagba aṣiṣe VOH 2.0 - VCC V Tx_Disable VOL VIH 2.0 - VCC + 0.3 V Olugba Iyatọ Ọjọ Abajade Vout 400 - 800 mV Ijade Iyatọ Iyatọ Imudaniloju ZD 90 100 110 Ω Rx_LOS Deede Isẹ VOL 0 - 0.8 V Lose Signal VoH 2.0 - VCC Optical VCC Character VCC Aami Unit Min Typ Max Awọn akọsilẹ Atagba opitika Awọn abuda Bit Rate BR Gbps 8.5 25.78125 - Range Wavelength Range Center λc nm 820 850 880 Apapọ Ifilọlẹ powerTx_off Poff dBm - - -45 Ifilọlẹ Power Optical P.0 dBm2 dBm. 2 - - Spectral Width(RMS) RMS nm - - 0.65 Optical olugba Abuda Bit Rate BR Gbps 8.5 25.78125 Bit Aṣiṣe Oṣuwọn BER - - E-12 Ibajẹ ala DT dBm 3.4 - - Apọju Input -B. λc nm 820 - 880 Ifamọ olugba ni Apapọ Agbara Sen dBm - - -5.2 3 Los Assert LosA dBm -30 - - Los De-Assert LosD dBm - - -13 Los Hysteresis LosH dB 0.5 Akiyesi: Ti o darapọ mọ 50/125 MMF. Ti ṣewọn pẹlu apẹrẹ idanwo PRBS 231-1 @25.78125Gbps.BER=E-12 3. BER=1x10-12; PRBS231-1 @ 25.78125Gbps. Niyanju Gbalejo Board Power Ipese Circuit olusin 1, Niyanju Gbalejo Board Power Ipese Circuit Niyanju Interface Circuit Figure 2, Niyanju Interface Circuit Pin akanṣe Figure 3, Pin Wo Table 5-Pin Išė asọye Pin aami Name / Apejuwe Awọn akọsilẹ 1 VEET Module Atagba Ilẹ 1 2 TX_FAULT Module Atagba ẹbi 2 3 TX_DISABLE Pa Atagba; Pa atagba lesa o wu 3 4 SDA 2-Wire Serial Interface Data Line (MOD-DEF2) 5 SCL 2-Wire Serial Interface Aago (MOD-DEF1) 6 MOD_ABS Module Aisi, ti sopọ si VEET tabi VEER ninu module 2 7 RS0 Oṣuwọn Yan 0, iyan idari SFP + module olugba 4 8 RX_LOS olugba Isonu ti Itọkasi Ifihan (Ninu FC ti a yàn gẹgẹbi Rx_LOS ati ni Ethernet ti a yàn gẹgẹbi NOT Signal Detect) 2 9 RS1 Rate Select 1, optionally controls SFP+ module transmitter 4 10 VEER Module Olugba Ilẹ 1 11 VEER Module Olugba Data Ilẹ 1 12 RD In-In-In-Receiver Data. O wu 13 RD + olugba Idajade data ti kii ṣe iyipada 14 VEER Module Olugba Ilẹ 1 15 VCCR Olugba Module 3.3 V Ipese 16 VCCT Module Atagba 3.3 V Ipese 17 VEET Module Atagba Ilẹ 1 18 TD+ Atagba Inverted Input 1 Data InputTD 20 VEET Module Atagba Ilẹ 1 Akiyesi: Awọn pinni ilẹ module ti ya sọtọ lati ọran module. Awọn pinni yoo fa soke pẹlu 4.7K-10Kohms si foliteji laarin 3.14V ati 3.46V lori igbimọ ogun. PIN ti wa ni fa soke si VCCT pẹlu kan 4.7K-10KΩ resistor ninu module. Wo SFF-8472 Rev12.2 Table 10-2. Abojuto Sipesifikesonu olusin 4, Mechanical Map Mechanical Aworan Aworan Tabili 5- Ipari Cable Cable Gigun L（Apakan: m） Alafarada (Unit: cm） ≤1.0 +5/-0 1.0＜L≤4.5 +15/-0 4.5＜L 14,5 +30/-0 14.5 + 2%/- 0 Awọn iṣọra Mimu Awọn Ikilọ: Ẹrọ yii ni ifaragba si ibajẹ bi abajade isunjade elekitirotiki (ESD). Ayika ọfẹ aimi jẹ iṣeduro gaan. Tẹle awọn itọnisọna ni ibamu si awọn ilana ESD to dara. Aabo lesa: Ìtọjú ti njade nipasẹ awọn ẹrọ laser le lewu si oju eniyan. Yago fun ifihan oju si itankalẹ taara tabi aiṣe-taara.

Awọn ẹya ara ẹrọ: ◊ 4 awọn ọna MUX / DEMUX apẹrẹ ◊ Integrated CWDM TOSA / ROSA fun to 10 km de ọdọ SMF ◊ Atilẹyin 100GBASE-CWDM4 fun iwọn ila ti 103.125Gbps ati OTU4 fun iwọn ila ti 111.81Gbps0 bandwidth ti 111.81Gbps0. ◊ Duplex LC asopo ◊ Ni ibamu pẹlu IEEE 802.3-2012 Abala 88 boṣewa IEEE 802.3bm CAUI-4 chirún si module itanna boṣewa ITU-T G.959.1-2012-02 boṣewa · ◊ Single +3.3V ipese agbara nṣiṣẹ -in digital Buil awọn iṣẹ iwadii ◊ Iwọn otutu 0 ° C si 70 ° C ◊ Awọn ohun elo Ibamu RoHS: ◊ Agbegbe Agbegbe (LAN) ◊ Wide Area Network (WAN) ◊ Awọn iyipada Ethernet ati awọn ohun elo olulana Apejuwe: JHAQ28C10C jẹ ẹya transceiver ti a ṣe apẹrẹ fun awọn ohun elo ibaraẹnisọrọ opiti 10km. Apẹrẹ jẹ ifaramọ si 100GbASE-LR4 ti IEEE 802.3-2012 Clause 88 boṣewa IEEE 802.3bm CAUI-4 chip si module itanna boṣewa ITU-T G.959.1-2012-02 boṣewa. Module naa ṣe iyipada awọn ikanni igbewọle 4 (ch) ti 25.78 Gbps si data itanna 27.95Gbps si awọn ifihan agbara opiti 4, ati pe o ṣe ọpọ wọn sinu ikanni kan fun gbigbe opiti 100Gb/s. Lọna, ni ẹgbẹ olugba, module optically de-multiplexes a 100Gb/s igbewọle sinu 4 awọn ifihan agbara ona, ati ki o iyipada wọn si 4 ona jade itanna data. Awọn iwọn gigun ti aarin ti awọn ọna 4 jẹ 1270 nm, 1290 nm, 1310 nm ati 1330 nm. O ni asopo LC ile oloke meji fun wiwo opiti ati asopo 38-pin fun wiwo itanna. Lati dinku pipinka opiti ni eto gbigbe gigun, okun-ipo kan (SMF) ni lati lo ninu module yii. Ọja naa jẹ apẹrẹ pẹlu ifosiwewe fọọmu, asopọ opiti / itanna ati wiwo idanimọ oni-nọmba gẹgẹbi Adehun Orisun Orisun QSFP28 (MSA). O ti ṣe apẹrẹ lati pade awọn ipo iṣẹ ita ti o lagbara julọ pẹlu iwọn otutu, ọriniinitutu ati kikọlu EMI. Awọn module nṣiṣẹ lati kan nikan + 3.3V ipese agbara ati LVCMOS / LVTTL agbaye Iṣakoso awọn ifihan agbara bi Module Present, Tun, Idilọwọ ati Low Power Ipo wa o si wa pẹlu awọn module. Ni wiwo ni tẹlentẹle 2-waya wa lati firanṣẹ ati gba awọn ifihan agbara iṣakoso eka sii ati lati gba alaye iwadii oni-nọmba. Awọn ikanni kọọkan le ni idojukọ ati awọn ikanni ti ko lo le wa ni pipade fun irọrun apẹrẹ ti o pọju. JHAQ28C10C jẹ apẹrẹ pẹlu ifosiwewe fọọmu, opitika / asopọ itanna ati wiwo oni-nọmba oni-nọmba gẹgẹbi Adehun Orisun Orisun QSFP28 (MSA). O ti ṣe apẹrẹ lati pade awọn ipo iṣẹ ita ti o lagbara julọ pẹlu iwọn otutu, ọriniinitutu ati kikọlu EMI. Module naa nfunni ni iṣẹ ṣiṣe ti o ga pupọ ati isọpọ ẹya, wiwọle nipasẹ wiwo ni tẹlentẹle meji-waya. • Idi ti o pọju-wonsi Aami paramita Min. Aṣoju Max. Unit Ibi otutu TS -40 +85 °C Ipese Foliteji VCCT, R -0.5 4 V Ọriniinitutu ibatan RH 0 85 % • Niyanju Ayika Ṣiṣẹ: Parameter Aami Min. Aṣoju Max. Unit Case nṣiṣẹ otutu TC 0 +70 °C Ipese Foliteji VCCT, R +3.13 3.3 +3.47 V Ipese lọwọlọwọ ICC 1100 1500 mA Agbara Pipa PD 5 W • Awọn ẹya Itanna (TOP = 0 si 70 °C, VCC si 3.3. Paramita Aami Min Typ Oṣuwọn Data Akọsilẹ Unit Max fun ikanni - 25.78125 Gbps 27.9525 Agbara agbara - 2.7 3.5 W Ipese Icc lọwọlọwọ 0.8 1 A Iṣakoso I / O Foliteji-High VIH 2.0 Vcc V Iṣakoso I / O Voltage-Low VIL 0 0 07 S. 35 Ps RESETL Duration 10 us RESETL De-assert time 100 ms Agbara Lori Akoko 100 ms Atagba Nikan Ipari Ijade Foliteji Ifarada 0.3 Vcc V 1 Ipo ti o wọpọ Ifarada Foliteji 15 mV Transmit Input Diff Foliteji VI 150 1200 mV Transmit Input Diff0t15 Imped1 Jitter DDJ 0.3 UI Olugba Nikan Ipari Iwajade Foliteji Ifarada 0.3 4 V Rx Output Diff Foliteji Vo 370 600 950 mV Rx Ijade Dide ati Fall Voltage Tr/Tf 35 ps 1 Total Jitter TJ 0.3% Optical: 8 = 0 si 70 °C, VCC = 3.0 si 3.6 Volts) Aami paramita Min Typ Max Unit Ref. Atagba Igbiyanju Isegun 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 SMSo 30 - - dB Lapapọ Apapọ Ifilọlẹ Agbara PT -6 - 6.5 dBm Apapọ Ifilọlẹ Agbara, Lane kọọkan -6 - 2.5 dBm Iyatọ ni Agbara Ifilole laarin eyikeyi Awọn ọna meji (OMA) - - 3.5 dB TDP, Lane TDP 2.2 dB Ipin Iparun ER kọọkan 4 - - dB Atagbagba Oju-boju Itumọ {X1, X2, X3, Y1, Y2, Y3} {0.25, 0.4, 0.45, 0.25, 0.28, 0.4} Ifarada Ipadabọ Ipadabọ Opitika - - 20 dB Apapọ Ifilọlẹ Agbara PA Atagba, kọọkan Lane Poff -30 dBm Ojulumo Intensity Noise Rin -128 dB/HZ Padapada Optical Ifarada - - 12 dB Ibajẹ Ibajẹ Olugba THd 3.3 dBm 1 Apapọ Agbara ni Input olugba, kọọkan Lane R -13.0 0 dBm RSSI Yiye -2 2 dB Olugba Reflectance Rrx -26 dB Agbara olugba (OMA), kọọkan Lane -sert - 3.5 dBOm LOSD LOS 15 dBm LOS Assert LOSA -25 dBm LOS Hysteresis LOSH 0.5 dB Akọsilẹ 12dB Reflection • Abojuto Abojuto Interface Digital diagnostics monitoring function is available on all QSFP28 LR4. A 2-waya ni tẹlentẹle ni wiwo pese olumulo lati kan si pẹlu module. Ilana ti iranti yoo han ni ṣiṣan. Aaye iranti jẹ idayatọ si isalẹ, oju-iwe ẹyọkan, aaye adirẹsi ti awọn baiti 128 ati ọpọlọpọ awọn oju-iwe aaye adirẹsi oke. Ẹya yii ngbanilaaye iraye si akoko si awọn adirẹsi ni oju-iwe isalẹ, gẹgẹbi Awọn asia Idilọwọ ati Awọn diigi. Awọn titẹ sii akoko to ṣe pataki to kere si, gẹgẹbi alaye ID ni tẹlentẹle ati awọn eto ala, wa pẹlu iṣẹ Yiyan Oju-iwe. Adirẹsi wiwo ti a lo jẹ A0xh ati pe o jẹ lilo ni pataki fun data pataki akoko bi mimu idalọwọduro lati le jẹ ki kika-akoko kan fun gbogbo data ti o ni ibatan si ipo idalọwọduro. Lẹhin idalọwọduro, IntL ti ni idaniloju, agbalejo le ka aaye asia lati pinnu ikanni ti o kan ati iru asia. Page02 jẹ EEPROM Olumulo ati ọna kika rẹ ti a pinnu nipasẹ olumulo. Apejuwe alaye ti iranti kekere ati oju-iwe 00.page03 iranti oke jọwọ wo iwe SFF-8436. • Akoko fun Asọ Iṣakoso ati ipo Awọn iṣẹ Parameter Aami Max Unit Awọn ipo Ibẹrẹ Akoko t_init 2000 ms Akoko lati agbara on1, plug gbigbona tabi eti ti o dide ti Tunto titi ti module naa yoo ṣiṣẹ ni kikun2 Tun Init Assert Time t_reset_init 2 μs Atunto ti ipilẹṣẹ nipasẹ kekere kan ipele to gun ju akoko idapada ti o kere ju ti o wa lori PIN ResetL. Serial Bus Hardware Ready Time t_serial 2000 ms Akoko lati agbara on1 titi module idahun si gbigbe data lori awọn 2-waya serial akero Atẹle Data ReadyTime t_data 2000 ms Akoko lati agbara on1 si data ko setan, bit 0 ti Byte 2, deaserted ati IntL tẹnumọ. Aago Assert Tunto t_reset 2000 ms Akoko lati dide eti lori PIN ResetL titi ti module ti wa ni kikun functional2 LPMode Assert Time ton_LPMode 100 μs Akoko lati itenumo ti LPMode (Vin: LPMode = Vih) titi module agbara agbara ti nwọ isalẹ Power Level IntL Assert Time ton_IntL 200 ms Akoko lati iṣẹlẹ ti majemu nfa IntL titi Vout:IntL = Vol IntL Deassert Time toff_IntL 500 μs toff_IntL 500 μs Akoko lati ko lori read3 isẹ ti asia to somọ titi Vout:IntL = Voh. Eyi pẹlu awọn akoko deassert fun Rx LOS, Aṣiṣe Tx ati awọn die-die asia miiran. Rx LOS Assert Time ton_los 100 ms Akoko lati Rx LOS ipinle to Rx LOS bit ṣeto ati IntL asserted Flag Assert Time ton_flag 200 ms Akoko lati iṣẹlẹ ti majemu ti nfa asia si nkan Flag bit ṣeto ati IntL asserted Mask Assert Time ton_mask 100 ms Akoko lati boju-boju bit set4 titi ti o somọ IntL itenumo ti wa ni idinamọ boju De-assert Time toff_mask 100 ms Akoko lati boju-boju bit cleared4 titi ti o ni nkan ṣe IntlL isẹ tun bẹrẹ module ko dahun si gbigbe data lori 2-waya ni tẹlentẹle akero Power_over-ride orPower-set Assert Time ton_Pdown 100 ms Akoko lati P_Down bit ṣeto 4 titi module agbara agbara ti tẹ kekere Power Level Power_over-ride tabi Power-set De-assert Time toff_Pdown 300 ms Akoko lati P_Down bit cleared4 titi ti module ti wa ni kikun functional3 Akọsilẹ: 1. Agbara ti wa ni asọye. bi awọn ese nigba ti ipese foliteji de ati ki o wa ni tabi loke awọn kere pàtó kan iye. 2. Iṣẹ-ṣiṣe ni kikun ti wa ni asọye bi IntL ti sọ nitori data ko ṣetan bit, bit 0 baiti 2 de-assertted. 3. Wiwọn lati ja bo aago eti lẹhin da bit ti ka idunadura. 4. Wiwọn lati ja bo aago eti lẹhin Duro bit ti idunadura kikọ. • Transceiver Block aworan atọka • Pin iyansilẹ aworan atọka ti Gbalejo Board Asopọ Àkọsílẹ Pin awọn nọmba ati Nam • Pin Apejuwe Pin Logic Aami Name/Apejuwe Ref. 1 GND Ground 1 2 CML-I Tx2n Transmitter Inverted Data Inverted 3 CML-I Tx2p Transmitter Non-Inverted Data Output 4 GND Ground 1 5 CML-I Tx4n Transmitter Inverted Data. Ilẹ 1 8 LVTTL-I ModSelL Module Yan 9 LVTTL-I ResetL Module Tunto 10 VccRx + 3.3V Olugba Ipese Agbara 2 11 LVCMOS-I/O SCL 2-Wire Serial Interface Clock 12 LVCMOS-I/O SDA 2-Wire Serial Interface Data Ground13G CML-O Rx3p Olugba Imujade Idapada Data 15 CML-O Rx3n Olugba Ti kii ṣe Iyipada Idasilẹ 16 GND Ground 1 17 CML-O Rx1p Olugba Iyipada Data Iyipada 18 CML-O Rx1n Olugba Ti kii ṣe Iyipada Data 19 GND Ground1 Ground1 CML-O Rx1n Rx2n Olugba Idapada Data Ijade 22 CML-O Rx2p Olugba Ti kii-Iyipada Ijade Data 23 GND Ground 1 24 CML-O Rx4n Olugba Ti a Ti Iyipada Data Iyipada 25 CML-O Rx4p Olugba Ti kii-Iyipada Data Iyipada 26 GNDO LTTL Ipese 28 LVTTL-O IntL Idilọwọ 29 VccTx + 3.3V Atagbagba Ipese Agbara 2 30 Vcc1 + 3.3V Ipese Agbara 2 31 LVTTL-I LPMode Agbara Kekere 32 GND Ilẹ 1 33 Data CML-I Tx3p Atagbayida T3M T30 Atagba Ijade data ti kii ṣe iyipada 35 GND Ground 1 36 CML-I Tx1p Transmitter Inverted Data Output 37 CML-I Tx1n Transmitter Non-Inverted Data Output 38 GND Ilẹ 1 Awọn akọsilẹ: GND jẹ aami fun ẹyọkan ati ipese(agbara) wọpọ fun awọn modulu QSFP28 , Gbogbo wa ni wọpọ laarin QSFP28 module ati gbogbo awọn foliteji module ti wa ni tọka si yi o pọju bibẹkọ ti woye. So awọn wọnyi taara si awọn ogun ọkọ ifihan agbara wọpọ ilẹ ofurufu. Iṣẹjade lesa jẹ alaabo lori TDIS>2.0V tabi ṣii, ṣiṣẹ lori TDIS