Chingwe Chabwino cha Aoc/Dac - 25G SFP28 Chingwe chowoneka bwino JHA-SFP28-25G-AOC - JHA
Chingwe Chabwino cha Aoc/Dac - 25G SFP28 Chingwe chogwira ntchito JHA-SFP28-25G-AOC - Tsatanetsatane wa JHA:
Mawonekedwe
◊ Mawonekedwe amagetsi amagwirizana ndi SFF-8431
◊ 850nm VCSEL laser ndi PIN chithunzi-detector
◊ Utali wochuluka wa ulalo wa 70m pa OM3 MMF ndi 100m pa OM4 MMF
◊ Ntchito za Digital diagnostics zimapezeka kudzera pa mawonekedwe a I2C
◊ Kutentha kwankhani yogwirira ntchito Zamalonda: 0 ° C mpaka +70 °C
◊ +3.3V magetsi amodzi
◊ Kugwiritsa ntchito mphamvu zosakwana 1W
◊ RoHS imagwirizana
◊ Chitetezo chachinsinsi cha A0h ndi A2h
Mapulogalamu
◊ 25GBASE-SR Ethernet
◊ Maseva, zosinthira, zosungirako ndi ma adapter makhadi olandila
Kufotokozera
Mtheradi Maximum Mavoti
Table1- Mtheradi Wopambana Mavoti
Parameter | Chizindikiro | Min. | Chitsanzo | Max. | Chigawo | Zolemba |
Supply Voltage | Vcc3 | -0.5 | - | + 3.6 | V | |
Kutentha Kosungirako | Ts | -10 | - | + 70 | °C | |
Kuchita Chinyezi | RH | +5 | - | + 85 | % | 1 |
Zindikirani: 1 Palibe condensation
Malamulo Oyendetsera Ntchito
Parameter | Chizindikiro | Min. | Chitsanzo | Max. | Chigawo | Zolemba |
Kutentha kwa Ntchito | TC | 0 | - | + 70 | °C | |
Mphamvu yamagetsi yamagetsi | Vcc | 3.14 | 3.3 | 3.47 | V | |
Power Supply Current | Icc | - | - | 300 | mA | |
Kutaya Mphamvu | Pd | - | - | 1.0 | MU | |
Pang'ono Rate | BR | 8.5 | 25.78125 | - | Gbps | |
Fiber Bend Radius | Rb | 3 | - | - | cm |
Table2- Analimbikitsa Opaleshoni Zinthu
Makhalidwe Amagetsi
Table3- Makhalidwe Amagetsi
Parameter | Chizindikiro | Min. | Mtundu. | Max. | Mayunitsi | Zolemba | ||||
Wotumiza | ||||||||||
Differential Data Input Swing | Ndikubwera, PP | 200 | - | 1600 | mVPP | |||||
Lowetsani Differential Impedance | CHENJEZO | 90 | 100 | 110 | O | |||||
Tx_Fault | Normal Operation | VOL | 0 | - | 0.8 | V | ||||
Kulakwitsa kwa Transmitter | VOH | 2.0 | - | Chithunzi cha VCC | V | |||||
Tx_Disable | Normal Operation | CHIFUNIRO | 0 | - | 0.8 | V | ||||
Laser Disable | HIV | 2.0 | - | VCC + 0.3 | V | |||||
Wolandira | ||||||||||
Kutuluka kwa Tsiku Losiyana | Vout | 400 | - | 800 | mv | |||||
Kutulutsa Kusiyanasiyana kwa Impedans | ZD | 90 | 100 | 110 | O | |||||
Rx_LOS | Normal Operation | VOL | 0 | - | 0.8 | V | ||||
Kutaya Signal | VoH | 2.0 | - | Chithunzi cha VCC | V |
Mawonekedwe a Optical
Table4-Mawonekedwe a Optical
Parameter | Chizindikiro | Chigawo | Min | Mtundu | Max | Zolemba |
Makhalidwe a Optical transmitter | ||||||
Pang'ono Rate | BR | Gbps | 8.5 | 25.78125 | - | |
Pakati Wavelength Range | λc ndi | nm | 820 | 850 | 880 | |
Avereji Launch mphamvuTx_off | Poof | dBm | - | - | -45 | |
Tsegulani Optical Power | p0 | dBm | -6.0 | 2.4 | 1 | |
Chiwerengero cha Kutha | NDI | dB | 2 | - | - | |
Spectral Width(RMS) | Mtengo wa RMS | nm | - | - | 0.65 | |
Mawonekedwe a Optical Receiver | ||||||
Pang'ono Rate | BR | Gbps | 8.5 | 25.78125 | ||
Pang'ono Error Rate | BER | - | - | E-12 | ||
Chiwopsezo cha kuwonongeka | DT | dBm | 3.4 | - | - |
Kuyika Kwambiri KwambiriMphamvu | PIN | dBm | 2.4 | - | - | 2 |
Pakati Wavelength Range | λc ndi | nm | 820 | - | 880 | |
Receiver Sensitivity muAvereji Mphamvu | Zake | dBm | - | - | -5.2 | 3 |
Los Assert | Kutaya | dBm | -30 | - | - | |
The De-Assert | LosD | dBm | - | - | -13 | |
Matenda a Hysteresis | LosH | dB | 0.5 |
Zindikirani:
- Zogwirizana ndi 50/125 MMF.
- Kuyesedwa ndi PRBS 231-1 mayeso chitsanzo @25.78125Gbps.BER=E-12 3. BER=1×10-12; Mtengo wa PRBS231-1@25.78125Gbps.
Analimbikitsa Host Board Power Supply Circuit
Chithunzi 1, Analimbikitsa Host Board Power Supply Circuit
Interface Circuit yovomerezeka
Chithunzi 2, Chidutswa cha Interface Chovomerezeka
Kupanga pini
Chithunzi 3, Pin View
Table5-Pin Ntchito
Matanthauzo
Pin | Chizindikiro | Dzina/Mafotokozedwe | Zolemba |
1 | MADZI | Module Transmitter Ground | 1 |
2 | TX_FAULT | Module Transmitter Fault | 2 |
3 | TX_DISABLE | Kuletsa Transmitter; Izimitsa kutulutsa kwa laser transmitter | 3 |
4 | SDA | 2-Wire Serial Interface Data Line (MOD-DEF2) | |
5 | Mtengo wa magawo SCL | 2-Wire Serial Interface Clock (MOD-DEF1) | |
6 | MOD_ABS | Module Kulibe, yolumikizidwa ndi VEET kapena VEER mu gawoli | 2 |
7 | RS0 | Rate Select 0, mwina amawongolera SFP + module wolandila | 4 |
8 | RX_LOS | Kutaya kwa Chizindikiro cha Receiver (Mu FC yodziwika kuti Rx_LOS komanso mu Ethernet yotchulidwa kuti NOT Signal Detect) | 2 |
9 | RS1 | Rate Select 1, mwina amawongolera SFP + module transmitter | 4 |
10 | VEER | Module Receiver Ground | 1 |
11 | VEER | Module Receiver Ground | 1 |
12 | RD- | Receiver Inverted Data Output | |
13 | RD+ | Receiver Non-Inverted Data Output | |
14 | VEER | Module Receiver Ground | 1 |
15 | Chithunzi cha VCCR | Module Receiver 3.3 V Supply | |
16 | Chithunzi cha VCCT | Module Transmitter 3.3 V Supply | |
17 | MADZI | Module Transmitter Ground | 1 |
18 | TD+ | Zolowetsa Zosasinthika za Transmitter | |
19 | TD- | Kulowetsa kwa data ya Transmitter | |
20 | MADZI | Module Transmitter Ground | 1 |
Zindikirani:
- Zikhomo zapansi za module zimasiyanitsidwa ndi module mlandu.
- The zikhomo adzatero kukhala kukoka pamwamba ndi 4.7K-10Kohms ku a Voteji pakati 3.14v ndi 3.46V pa wolandira bolodi.
- Pini imakokedwa mpaka VCCT yokhala ndi 4.7K-10KΩ resistor mu moduli.
- Onani SFF-8472 Rev12.2 Table 10-2.
Tsatanetsatane wa Monitoring
Chithunzi 4, Memory Map
Mechanical Design Chithunzi
Table5-Chingwe
Utali
Kutalika kwa ChingweL(Unit: m) | Wololera(Unit: cm) |
≤1.0 | +5/-0 |
1.0<L≤4.5 | + 15/-0 |
4.5<L≤14.5 | +30/-0 |
> 14.5 | +2%/-0 |
Machenjezo
Kusamala: 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.
Zithunzi zatsatanetsatane wazinthu:
Zogwirizana nazo:
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Wolemba Alexia waku Belize - 2017.12.09 14:01
Opanga izi sanangolemekeza zomwe tikufuna komanso zomwe tikufuna, komanso adatipatsa malingaliro abwino, pamapeto pake, tidamaliza ntchito zogula zinthu.
Wolemba Erin waku Egypt - 2018.12.25 12:43