Isithunzi esiphezulu Ikhebula le-Active Optical - 25G SFP28 Intambo yokubona esebenzayo JHA-SFP28-25G-AOC – JHA
Ikhebula eliphezulu elisebenzayo elisebenzayo - 25G SFP28 Intambo yokubona esebenzayo JHA-SFP28-25G-AOC – JHA Imininingwane:
Izici
◊ Isixhumi esibonakalayo sikagesi sithobela i-SFF-8431
◊ 850nm VCSEL laser kanye ne-PIN photo-detector
◊ Ubude besixhumanisi obukhulu obungu-70m ku-OM3 MMF no-100m ku-OM4 MMF
◊ Imisebenzi yokuxilongwa kwedijithali iyatholakala ngesixhumi esibonakalayo se-I2C
◊ Ikesi elisebenzayo lokushisa Ezentengiso: 0°C kuya +70 °C
◊ +3.3V ukunikezwa kwamandla okukodwa
◊ Ukusetshenziswa kwamandla ngaphansi kuka-1W
◊ I-RoHS iyahambisana
◊ Ukuvikelwa kwephasiwedi ye-A0h ne-A2h
Izinhlelo zokusebenza
◊ 25GBASE-SR Ethernet
◊ Amaseva, amaswishi, isitoreji nama-adaptha wekhadi lokusingatha
Ukucaciswa
Izilinganiso Eziphelele Eziphelele
Ithebula1- Izilinganiso Eziphelele Eziphelele
Ipharamitha | Uphawu | Okuncane. | Okujwayelekile | Ubukhulu. | Iyunithi | Amanothi |
Faka i-Voltage | Vcc3 | -0.5 | - | +3.6 | V | |
Izinga Lokushisa Lesitoreji | Ts | -10 | - | +70 | °C | |
Umswakama Osebenzayo | RH | +5 | - | +85 | % | 1 |
Qaphela: 1 Akukho ukufingqa
Izimo Zokusebenza Ezinconyiwe
Ipharamitha | Uphawu | Okuncane. | Okujwayelekile | Ubukhulu. | Iyunithi | Amanothi |
I-Operating Case Temperature | TC | 0 | - | +70 | °C | |
I-Voltage Yokuhlinzeka Amandla | Vcc | 3.14 | 3.3 | 3.47 | V | |
Ukunikezwa kwamandla kwamanje | Icc | - | - | 300 | mA | |
Ukuchithwa kwamandla | Pd | - | - | 1.0 | IN | |
I-Bit Rate | BR | 8.5 | 25.78125 | - | Gbps | |
I-Fiber Bend Radius | Rb | 3 | - | - | cm |
Ithebula2- Izimo zokusebenza ezinconyiwe
Izici zikagesi
Ithebula3- Izimpawu zikagesi
Ipharamitha | Uphawu | Okuncane. | Uhlobo. | Ubukhulu. | Amayunithi | Amanothi | ||||
I-Transmitter | ||||||||||
I-Differential Data Input Swing | Ngiyeza, PP | 200 | - | 1600 | mVPP | |||||
Umehluko Wokufaka | UMUSHO | 90 | 100 | 110 | Oh | |||||
Tx_Fault | Ukusebenza Okuvamile | I-VOL | 0 | - | 0.8 | V | ||||
Iphutha Lokudlulisa | VOH | 2.0 | - | VCC | V | |||||
Tx_Disable | Ukusebenza Okuvamile | INTANDO | 0 | - | 0.8 | V | ||||
I-Laser Khubaza | I-HIV | 2.0 | - | VCC+0.3 | V | |||||
Umamukeli | ||||||||||
Okuphumayo Kwedethi Ehlukile | Vuma | 400 | - | 800 | mV | |||||
I-Output Differential Impedance | ZD | 90 | 100 | 110 | Oh | |||||
Rx_LOS | Ukusebenza Okuvamile | I-VOL | 0 | - | 0.8 | V | ||||
Lahla Isiginali | I-VoH | 2.0 | - | VCC | V |
Izimpawu ze-Optical
Ithebula4-Izici ze-Optical
Ipharamitha | Uphawu | Iyunithi | Okuncane | Uhlobo | Ubukhulu | Amanothi |
Izimpawu ze-Optical transmitter | ||||||
I-Bit Rate | BR | Gbps | 8.5 | 25.78125 | - | |
I-Center Wavelength Range | λc | nm | 820 | 850 | 880 | |
Amandla okuqalisa amaphakathiTx_off | Poof | dBm | - | - | -45 | |
Yethula Amandla Okubona | P0 | dBm | -6.0 | 2.4 | 1 | |
Isilinganiso Sokuqothula | IS | dB | 2 | - | - | |
Ububanzi be-Spectral(RMS) | I-RMS | nm | - | - | 0.65 | |
Izimpawu ze-Optical Receiver | ||||||
I-Bit Rate | BR | Gbps | 8.5 | 25.78125 | ||
I-Bit Error Rate | I-BER | - | - | E-12 | ||
Umkhawulo wokulimala | I-DT | dBm | 3.4 | - | - |
I-Optical yokufaka yokulayisha ngokweqileAmandla | I-PIN | dBm | 2.4 | - | - | 2 |
I-Center Wavelength Range | λc | nm | 820 | - | 880 | |
Ukuzwela komamukeli kuAmandla Amaphakathi | Yakho | dBm | - | - | -5.2 | 3 |
I-Los Assert | Lahleka | dBm | -30 | - | - | |
I-De-Assert | I-LosD | dBm | - | - | -13 | |
I-Los Hysteresis | LosH | dB | 0.5 |
Qaphela:
- Kuhlanganiswe ku-50/125 MMF.
- Kukalwe nge-PRBS 231-1 iphethini yokuhlola @25.78125Gbps.BER=E-12 3. BER=1×10-12; I-PRBS231-1@25.78125Gbps.
Kunconyiwe Ibhodi Lomsingathi Lokuphakela Amandla Circuit
Umfanekiso 1, Umjikelezo Wokuhlinzeka Ngamandla Webhodi Lomsingathi Elinconyiwe
Kunconyiwe I-Interface Circuit
Umfanekiso wesi-2, Isekethe ye-Interface Enconyiwe
Ukuhlelwa kwephini
Umfanekiso 3, Ukubuka Kwephini
Ithebula5-Pin Umsebenzi
Izincazelo
Phina | Uphawu | Igama/Incazelo | Amanothi |
1 | AMANZI | I-Module Transmitter Ground | 1 |
2 | TX_FAULT | Iphutha Lokudlulisa Imojula | 2 |
3 | TX_KHUBAZA | Khubaza i-Transmitter; Ivala okukhipha i-laser transmitter | 3 |
4 | I-SDA | I-2-Wire Serial Interface Data Line (MOD-DEF2) | |
5 | I-SCL | 2-Wire Serial Interface Clock (MOD-DEF1) | |
6 | MOD_ABS | I-Module Absent, ixhunywe ku-VEET noma i-VEER kumojula | 2 |
7 | RS0 | Linganisa Khetha 0, ngokuzikhethela ulawula isamukeli semojula ye-SFP+ | 4 |
8 | RX_LOS | Ukulahleka Kwesamukeli Sokubonakaliswa Kwesiginali (Ku-FC eqokwe njenge-Rx_LOS kanye ne-Ethernet ekhethwe NJENGAWUKHO I-Signal Detect) | 2 |
9 | I-RS1 | Linganisa Khetha 1, ngokuzikhethela ulawula i-SFP+ module transmitter | 4 |
10 | VEER | I-Module Receiver Ground | 1 |
11 | VEER | I-Module Receiver Ground | 1 |
12 | RD- | I-Receiver Inverted Data Output | |
13 | I-RD+ | Isamukeli Okukhiphayo Kwedatha Engaguquki | |
14 | VEER | I-Module Receiver Ground | 1 |
15 | I-VCCR | I-Module Receiver 3.3 V Ukunikezela | |
16 | I-VCCT | I-Module Transmitter 3.3 V Supply | |
17 | AMANZI | I-Module Transmitter Ground | 1 |
18 | I-TD+ | Okokufaka Kwedatha Engaguquliwe Ye-Transmitter | |
19 | TD- | I-Transmitter Inverted Data Input | |
20 | AMANZI | I-Module Transmitter Ground | 1 |
Qaphela:
- Izikhonkwane zomhlabathi zemojuli zihlukanisiwe nemojuli icala.
- I izikhonkwane ngizo kube wadonsa phezulu nge 4.7K-10Kohms ku a i-voltage phakathi 3.14V kanye 3.46V ku umsingathi ibhodi.
- Iphinikhodi idonselwa ku-VCCT nge-resistor engu-4.7K-10KΩ ku- imojula.
- Bheka Ithebula le-SFF-8472 Rev12.2 10-2.
Ukucaciswa Kokuqapha
Umfanekiso 4, Imephu Yenkumbulo
Mechanical Design Diagram
Ithebula5- Ikhebula
Ubude
Ubude bekhebulaL(Iyunithi: m) | Uyabekezela(Iyunithi: cm) |
≤1.0 | +5/-0 |
1.0<L≤4.5 | +15/-0 |
4.5<L≤14.5 | +30/-0 |
>14.5 | +2%/-0 |
Izixwayiso
Izinyathelo Zokuphatha: Le divayisi isengozini yokulimala ngenxa ye-electrostatic discharge (ESD).
Indawo ekhululekile enganyakazi inconywa kakhulu. Landela imihlahlandlela ngokwezinqubo ezifanele ze-ESD.
Ukuphepha Kwe-Laser: Imisebe ekhishwa yimishini ye-laser ingaba yingozi emehlweni abantu. Gwema ukuchayeka kweso emisebeni eqondile noma engaqondile.
Izithombe zemininingwane yomkhiqizo:
Umhlahlandlela Womkhiqizo Ohlobene:
Imishini eqhutshwa kahle, ithimba labadayisi abaqeqeshiwe, nezinsizakalo ezingcono zangemuva kokuthengisa; Futhi siwumndeni omkhulu onobunye, wonke umuntu unamathela ekuhlanganisweni kwenani lenkampani, ukuzinikela, ukubekezelela idumela Eliphezulu Ikhebula le-Active Optical - 25G SFP28 Ikhebula le-optical elisebenzayo JHA-SFP28-25G-AOC - JHA , Umkhiqizo uzohlinzeka emhlabeni wonke. , njengokuthi: Singapore, Holland, Amsterdam, Ikhwalithi ephezulu yezingxenye ezisele iyisici esibalulekile sokuthutha. Singase sibambelele ekunikezeni izingxenye zangempela nezisezingeni elihle ngisho nenzuzo encane esiyitholile. UNkulunkulu uzosibusisa senze ibhizinisi lomusa kuze kube phakade.
Ngu-Caroline wase-New Zealand - 2017.10.13 10:47
Imikhiqizo nezinsizakalo zinhle kakhulu, umholi wethu waneliseke kakhulu ngalokhu kuthenga, kungcono kunalokho ebesikulindele,
NguJudy waseLesotho - 2017.10.25 15:53