25G SFP28 Cable e sebetsang ea optical JHA-SFP28-25G-AOC
Likaroloana
◊ Khokahano ea motlakase e lumellana le SFF-8431
◊ 850nm VCSEL laser le PIN-detector ea lifoto
◊ Bolelele ba sehokelo bo phahameng ba 70m ho OM3 MMF le 100m ho OM4 MMF
◊ Mesebetsi ea tlhahlobo ea Digital e fumaneha ka sebopeho sa I2C
◊ Mocheso o sebetsang oa kesi Commercial: 0°C ho +70 °C
◊ +3.3V phepelo ea motlakase e le 'ngoe
◊ Tšebeliso ea matla e ka tlase ho 1W
◊ RoHS e lumellana
◊ Tšireletso ea password bakeng sa A0h le A2h
Lisebelisoa
◊ 25GBASE-SR Ethernet
◊ Li-server, li-switches, polokelo le li-adapter tsa likarete tse amohelang
Tlhaloso
Feletseng Maximum Ratings
Lethathamo la 1- Litekanyetso tse phahameng ka ho fetesisa
| Paramethara | Letšoao | Min. | E tloaelehileng | Max. | Yuniti | Lintlha |
| Ho fana ka Voltage | Vcc3 | -0.5 | - | +3,6 | V | |
| Mocheso oa polokelo | Ts | -10 | - | +70 | °C | |
| Mongobo o sebetsang | RH | +5 | - | +85 | % | 1 |
Tlhokomeliso: 1 Ha ho condensation
Maemo a Tšebetso a khothalelitsoeng
| Paramethara | Letšoao | Min. | E tloaelehileng | Max. | Yuniti | Lintlha |
| Mocheso oa Mocheso oa Ts'ebetso | TC | 0 | - | +70 | °C | |
| Matla a Phepelo ea Matla | Vcc | 3.14 | 3.3 | 3.47 | V | |
| Phepelo ea Matla Hona Joale | Icc | - | - | 300 | mA | |
| Pheliso ea Matla | Pd | - | - | 1.0 | W | |
| Bit Rate | BR | 8.5 | 25.78125 | - | Gbps | |
| Fiber Bend Radius | Rb | 3 | - | - | cm |
Tafole2- E kgothaletswa ho sebetsa Maemo
Litšobotsi tsa Motlakase
Tafole3- Litšobotsi tsa Motlakase
| Paramethara | Letšoao | Min. | Tlanya. | Max. | Diyuniti | Lintlha | ||||
| Phetiso | ||||||||||
| Differential Data Input Swing | Vin, PP | 200 | - | 1600 | mVPP | |||||
| Kena Phapano ea Impedans | ZIN | 90 | 100 | 110 | Ω | |||||
| Tx_Fault | Ts'ebetso e Tloaelehileng | TLHOKOMELO | 0 | - | 0.8 | V | ||||
| Phoso ea Transmitter | VOH | 2.0 | - | VCC | V | |||||
| Tx_Disable | Ts'ebetso e Tloaelehileng | VIL | 0 | - | 0.8 | V | ||||
| Thibela Laser | VIH | 2.0 | - | VCC+0.3 | V | |||||
| Moamoheli | ||||||||||
| Phapang Date Output | Hlakola | 400 | - | 800 | mV | |||||
| Phapang ea Phapang ea Sephetho | ZD | 90 | 100 | 110 | Ω | |||||
| Rx_LOS | Ts'ebetso e Tloaelehileng | TLHOKOMELO | 0 | - | 0.8 | V | ||||
| Lahleheloa Letšoao | VoH | 2.0 | - | VCC | V | |||||
Litšobotsi tsa Optical
Tafole4- Litšobotsi tsa Optical
| Paramethara | Letšoao | Yuniti | Min | Tlanya | Max | Lintlha |
| Litšobotsi tsa transmitter ea Optical | ||||||
| Bit Rate | BR | Gbps | 8.5 | 25.78125 | - | |
| Setsi sa Wavelength Range | λc | nm | 820 | 850 | 880 | |
| Karolelano ea matla a LaunchTx_off | Poff | dBm | - | - | -45 | |
| Qala Matla a Optical | P0 | dBm | -6.0 | 2.4 | 1 | |
| Karolelano ea Phello | ER | dB | 2 | - | - | |
| Spectral Width(RMS) | RMS | nm | - | - | 0.65 | |
| Litšobotsi tsa Optical Receiver | ||||||
| Bit Rate | BR | Gbps | 8.5 | 25.78125 | ||
| Sekhahla sa Phoso ea Bit | BER | - | - | E-12 | ||
| Monyako oa tšenyo | DT | dBm | 3.4 | - | - | |
| Kenyelletso e FeletsengMatla | PIN | dBm | 2.4 | - | - | 2 |
| Setsi sa Wavelength Range | λc | nm | 820 | - | 880 | |
| Receiver Sensitivity inKarolelano ea Matla | Sen | dBm | - | - | -5.2 | 3 |
| Los Assert | LosaA | dBm | -30 | - | - | |
| Los De-Assert | LosD | dBm | - | - | -13 | |
| Matšoao a Hysteresis | LosH | dB | 0.5 |
Hlokomela:
- E kopantsoe le 50/125 MMF.
- E lekantsoe le PRBS 231-1 mokhoa oa teko @25.78125Gbps.BER=E-12 3. BER=1×10-12; PRBS231-1@25.78125Gbps.
Recommended Host Board Power Supply Circuit
Setšoantšo sa 1, Potoloho ea Phepelo ea Matla ea Boto e khothalelitsoeng
Recommended Interface Circuit
Setšoantšo sa 2, Potoloho ea Interface e khothalelitsoeng
Tlhophiso ea Pin
Setšoantšo sa 3, Pin View
Tafole5Mosebetsi oa Pin
Litlhaloso
| Pin | Letšoao | Lebitso/Tlhaloso | Lintlha |
| 1 | VEET | Mohala oa Transmitter Ground | 1 |
| 2 | TX_FAULT | Phoso ea Module Transmitter | 2 |
| 3 | TX_THIBA | Ho Koala ka Transmitter;E tima tlhahiso ea 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 | Mojule ha e eo, e hokahaneng le VEET kapa VEER mojuleng | 2 |
| 7 | RS0 | Rate Khetha 0, ka boikhethelo e laola moamoheli oa module oa SFP + | 4 |
| 8 | RX_LOS | Tahlehelo ea Moamoheli oa Letšoao la Letšoao (Ho FC e khethiloeng joalo ka Rx_LOS le ho Ethernet e khethiloeng joalo ka NOT Signal Detect) | 2 |
| 9 | RS1 | Rate Khetha 1, ka boikhethelo e laola SFP + module transmitter | 4 |
| 10 | VEER | Sebaka sa Moamoheli oa Mojule | 1 |
| 11 | VEER | Sebaka sa Moamoheli oa Mojule | 1 |
| 12 | RD- | Sehlahisoa sa Moamoheli sa Inverted Data | |
| 13 | RD+ | Sehlahisoa sa Data se sa Fetohang se Fumanang | |
| 14 | VEER | Sebaka sa Moamoheli oa Mojule | 1 |
| 15 | VCCR | Moamoheli oa Mojule 3.3 V Phepelo | |
| 16 | VCCT | Module Transmitter 3.3 V Supply | |
| 17 | VEET | Mohala oa Transmitter Ground | 1 |
| 18 | TD+ | Kenyelletso ea data e sa Fetohang ea Transmitter | |
| 19 | TD- | Phetiso e Felletseng ea Boitsebiso | |
| 20 | VEET | Mohala oa Transmitter Ground | 1 |
Hlokomela:
- Lithapa tsa fatše tsa module li arohane le mojule nyeoe.
- The likhohlopo tla be huleloa up ka 4.7K-10Kohms to a Palo ea li-volts pakeng tsa 3.14V le 3.46V on moamoheli boto.
- Pini e huleloa ho VCCT ka mohanyetsi oa 4.7K-10KΩ ka har'a mojule.
- Sheba Lethathamo la SFF-8472 Rev12.2 10-2.
Tlhaloso ea Tlhokomelo
Setšoantšo sa 4, 'Mapa oa Memori
Setšoantšo sa Moralo oa Mechini
Tafole5- Mohala
Bolelele
| Bolelele ba CableL（Yuniti: m） | Mamello（Sehlopha: cm） |
| ≤1.0 | +5/-0 |
| 1.0＜L≤4.5 | +15/-0 |
| 4.5＜L≤14.5 | +30/-0 |
| 14.5 | +2%/-0 |
Litemoso
Tlhokomelo ea ho Ts'oara: Sesebelisoa sena se ka senyeha habonolo ka lebaka la ho tsoa ha electrostatic discharge (ESD).
Tikoloho e se nang botsitso e khothaletsoa haholo.Latela litataiso ho latela mekhoa e nepahetseng ea ESD.
Tšireletseho ea Laser: Mahlaseli a hlahisoang ke lisebelisoa tsa laser a ka ba kotsi mahlong a batho.Qoba ho pepesehela mahlaseli a kotsi ka kotloloho kapa a sa tobang.
