Okun Okun Okun Iyara Ti o kere julọ - 25G SFP28 Okun opiti ti nṣiṣe lọwọ JHA-SFP28-25G-AOC - JHA
Okun Okun Okun Iyara Ti o kere julọ - 25G SFP28 Okun opiti ti nṣiṣe lọwọ JHA-SFP28-25G-AOC – Alaye JHA:
Awọn ẹya ara ẹrọ
◊ Itanna ni wiwo ibamu to SFF-8431
◊ 850nm VCSEL lesa ati PIN Fọto-oluwadi
◊ Gigun ọna asopọ to pọju ti 70m lori OM3 MMF ati 100m lori OM4 MMF
◊ Awọn iṣẹ iwadii oni nọmba wa nipasẹ wiwo I2C
◊ Iwọn otutu ti n ṣiṣẹ Iṣowo: 0°C si +70°C
◊ + 3.3V nikan ipese agbara
◊ Lilo agbara kere ju 1W
◊ RoHS ni ibamu
◊ Idaabobo ọrọ igbaniwọle fun A0h ati A2h
Awọn ohun elo
◊ 25GBASE-SR àjọlò
◊ Awọn olupin, awọn iyipada, ibi ipamọ ati awọn oluyipada kaadi igbalejo
Sipesifikesonu
Idi ti o pọju-wonsi
Table1- Idi ti o pọju-wonsi
| Paramita | Aami | Min. | Aṣoju | O pọju. | Ẹyọ | Awọn akọsilẹ |
| Ipese Foliteji | Vcc3 | -0.5 | - | + 3.6 | V | |
| Ibi ipamọ otutu | Ts | -10 | - | +70 | °C | |
| Ọriniinitutu ti nṣiṣẹ | RH | +5 | - | +85 | % | 1 |
Akiyesi: 1 Ko si isunmi
Niyanju Awọn ipo Ṣiṣẹ
| Paramita | Aami | Min. | Aṣoju | O pọju. | Ẹyọ | Awọn akọsilẹ |
| Ṣiṣẹ Case otutu | TC | 0 | - | +70 | °C | |
| Agbara Ipese Foliteji | Vcc | 3.14 | 3.3 | 3.47 | V | |
| Agbara Ipese Lọwọlọwọ | Icc | - | - | 300 | mA | |
| Imukuro agbara | Pd | - | - | 1.0 | IN | |
| Oṣuwọn Bit | BR | 8.5 | 25.78125 | - | Gbps | |
| Okun tẹ rediosi | Rb | 3 | - | - | cm |
Tabili2- Niyanju ọna Awọn ipo
Itanna Abuda
Tabili3- Electrical Abuda
| Paramita | Aami | Min. | Iru. | O pọju. | Awọn ẹya | Awọn akọsilẹ | ||||
| Atagba | ||||||||||
| Iyatọ Data Input Swing | Mo n bọ, PP | 200 | - | 1600 | mVPP | |||||
| Input Iyatọ Impedance | GBODO | 90 | 100 | 110 | Oh | |||||
| Tx_Aṣiṣe | Isẹ deede | VOL | 0 | - | 0.8 | V | ||||
| Aṣiṣe Atagba | VOH | 2.0 | - | VCC | V | |||||
| Tx_Pa | Isẹ deede | YOO | 0 | - | 0.8 | V | ||||
| Muu lesa ṣiṣẹ | HIV | 2.0 | - | VCC + 0.3 | V | |||||
| Olugba | ||||||||||
| Iyatọ Ọjọ Ijade | Vout | 400 | - | 800 | mV | |||||
| Imudaniloju Iyatọ Ijade jade | ZD | 90 | 100 | 110 | Oh | |||||
| Rx_LOS | Isẹ deede | VOL | 0 | - | 0.8 | V | ||||
| Padanu ifihan agbara | VoH | 2.0 | - | VCC | V | |||||
Optical Abuda
Tabili4-Opitika Abuda
| Paramita | Aami | Ẹyọ | Min | Iru | O pọju | Awọn akọsilẹ |
| Awọn abuda atagba opitika | ||||||
| Oṣuwọn Bit | BR | Gbps | 8.5 | 25.78125 | - | |
| Aarin weful Range | lc | nm | 820 | 850 | 880 | |
| Apapọ Ifilole agbaraTx_off | Poof | dBm | - | - | -45 | |
| Lọlẹ Optical Power | P0 | dBm | -6.0 | 2.4 | 1 | |
| Ipin Iparun | IS | dB | 2 | - | - | |
| Ìbú Spectral(RMS) | RMS | nm | - | - | 0.65 | |
| Awọn abuda olugba Optical | ||||||
| Oṣuwọn Bit | BR | Gbps | 8.5 | 25.78125 | ||
| Oṣuwọn aṣiṣe Bit | BER | - | - | E-12 | ||
| Ibajẹ ala | DT | dBm | 3.4 | - | - | |
| Apọju Input OpticalAgbara | PIN | dBm | 2.4 | - | - | 2 |
| Aarin weful Range | lc | nm | 820 | - | 880 | |
| Ifamọ olugba niApapọ Agbara | Awọn oniwe- | dBm | - | - | -5.2 | 3 |
| Awọn ikosile | Padanu | dBm | -30 | - | - | |
| De-Assert | LosD | dBm | - | - | -13 | |
| Awọn Hysteresis | LosH | dB | 0.5 |
Akiyesi:
- Sopọ si 50/125 MMF.
- Ṣe iwọn pẹlu PRBS 231-1 apẹrẹ idanwo @25.78125Gbps.BER=E-12 3. BER=1×10-12; PRBS231-1 @ 25.78125Gbps.
Niyanju Gbalejo Board Power Ipese Circuit
olusin 1, Niyanju Gbalejo Board Power Ipese Circuit
Niyanju Interface Circuit
olusin 2, Niyanju Interface Circuit
Pin eto
olusin 3, Pin View
Tabili5-Pin Išė
Awọn itumọ
| Pin | Aami | Orukọ / Apejuwe | Awọn akọsilẹ |
| 1 | OMI | Module Atagba Ilẹ | 1 |
| 2 | TX_FAULT | Aṣiṣe Atagba Module | 2 |
| 3 | TX_DISABLE | Pa Atagba; Pa atagba lesa o wu | 3 |
| 4 | SDA | Laini Data Interface Interface 2-Wire (MOD-DEF2) | |
| 5 | SCL | 2-Wire Ni wiwo Aago Ibaraẹnisọrọ Tẹlentẹle (MOD-DEF1) | |
| 6 | MOD_ABS | Module Ko si, ti a ti sopọ si VEET tabi VEER ninu module | 2 |
| 7 | RS0 | Oṣuwọn Select 0, optionally išakoso SFP + module olugba | 4 |
| 8 | RX_LOS | Ipadanu Olugba ti Itọkasi Ifihan (Ninu FC ti a ṣe apẹrẹ bi Rx_LOS ati ni Ethernet ti a ṣe apẹrẹ bi NOT Iwari ifihan) | 2 |
| 9 | RS1 | Oṣuwọn Yan 1, ni yiyan awọn idari SFP + module atagba | 4 |
| 10 | VEER | Ilẹ olugba Module | 1 |
| 11 | VEER | Ilẹ olugba Module | 1 |
| 12 | RD- | Olugba Inverted Data wu | |
| 13 | RD+ | Olugba Non-Inverted Data wu | |
| 14 | VEER | Ilẹ olugba Module | 1 |
| 15 | VCCR | Module olugba 3.3 V Ipese | |
| 16 | VCCT | Module Atagba 3.3 V Ipese | |
| 17 | OMI | Module Atagba Ilẹ | 1 |
| 18 | TD+ | Atagba Ti kii-Inverted Data Input | |
| 19 | TD- | Atagba Inverted Data Input | |
| 20 | OMI | Module Atagba Ilẹ | 1 |
Akiyesi:
- Awọn pinni ilẹ module ti wa ni sọtọ lati module irú.
- Awọn awọn pinni yio jẹ fa soke pẹlu 4.7K-10Kohms si a foliteji laarin 3.14V ati 3.46V lori agbalejo ọkọ.
- Awọn pin ti wa ni fa soke si VCCT pẹlu kan 4.7K-10KΩ resistor ninu awọn module.
- Wo SFF-8472 Rev12.2 Table 10-2.
Abojuto Specification
olusin 4, Memory Map
Mechanical Design aworan atọka
Tabili5- USB
Gigun
| USB IpariL(Ẹ̀ka: m) | Alafarada(Ẹka: cm) |
| ≤1.0 | +5/-0 |
| 1.0.L≤4.5 | +15/-0 |
| 4.5.L≤14.5 | + 30/-0 |
| 14.5 | + 2%/-0 |
Ikilo
Mimu Awọn iṣọra: Ẹrọ yii ni ifaragba si ibajẹ bi abajade isunjade elekitirotatiki (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 aworan apejuwe ọja:
Itọsọna Ọja ti o jọmọ:
A pinnu lati ni oye ibajẹ didara ti o ga pẹlu iṣelọpọ ati pese iṣẹ to dara si awọn ti onra ile ati okeokun tọkàntọkàn fun Super Lowest Price High Speed Hdmi Fiber Cable – 25G SFP28 Active optical USB JHA-SFP28-25G-AOC - JHA, ọja naa yoo pese si gbogbo agbala aye, bii: Argentina, Iraq, Seattle, A gbagbọ pe awọn ibatan iṣowo to dara yoo yorisi awọn anfani ati ilọsiwaju fun awọn mejeeji. A ti ṣe agbekalẹ awọn ibatan igba pipẹ ati aṣeyọri aṣeyọri pẹlu ọpọlọpọ awọn alabara nipasẹ igbẹkẹle wọn ninu awọn iṣẹ adani ati iduroṣinṣin ni ṣiṣe iṣowo. A tun gbadun orukọ giga nipasẹ iṣẹ ṣiṣe to dara wa. Iṣe to dara julọ yoo nireti bi ilana ti iduroṣinṣin wa. Ifarabalẹ ati Iduroṣinṣin yoo wa bi lailai.
Nipa Bella lati Malaysia - 2018.11.04 10:32 Ni gbogbogbo, a ni itẹlọrun pẹlu gbogbo awọn aaye, olowo poku, didara giga, ifijiṣẹ yarayara ati aṣa procuct ti o dara, a yoo ni ifowosowopo atẹle!
Nipa Maggie lati UK - 2018.12.11 14:13 
