Boleng bo botle ka ho fetisisa Aoc 25g Sfp28 Active Optical Cable 3m - 100-4 * 25G Active optical cabel (QSFP28-4 * SFP28) JHA-QSFP28-4SFP28-100G-AOC - JHA
Boleng bo botle ka ho fetisisa Aoc 25g Sfp28 Active Optical Cable 3m - 100-4*25G Active optical cabel (QSFP28-4*SFP28) JHA-QSFP28-4SFP28-100G-AOC - JHA Lintlha:
Likaroloana
◊ Tšehetsa 4x25GBASE-SR kopo
◊ E lumellana le QSFP28 MSA SFF-8636 le SFP28 MSA SFF-8431 le SFF- 8472
◊ Litefiso tse ngata tsa ho fihla ho 25.78125Gbps ka tsela
◊ Sebaka sa phetiso ho fihla ho 50m
◊ +3.3V phepelo ea motlakase e le 'ngoe
◊ Tšebeliso e tlase ea matla
◊ likhoele tsa setifikeiti sa UL (ka boikhethelo)
◊ Mocheso o sebetsang oa Khoebo: 0°C ho ea +70 °C
◊ RoHS e lumellana
Lisebelisoa
◊ 4x25Gbe-SR
◊ Lihokelo tse ling tsa mahlo
Tlhaloso:
Absolute Maximum Ratings
Tafole1- Absolute Maximum Ratings
| 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
Tafole2- E kgothaletswa ho sebetsa Maemo
| Paramethara | Letšoao | Min. | E tloaelehileng | Max. | Yuniti | Lintlha |
| Mocheso oa ho sebetsa | TC | 0 | - | +70 | °C | |
| Matla a Phepelo ea Matla | Vcc | 3.14 | 3.3 | 3.47 | V | |
| Phallo ea Matla ka QSFP28 | Pd | - | - | 2.5 | IN | |
| Phallo ea Matla ka SFP28 | Pd | - | - | 1.0 | IN | 1 |
| Bit Rate ka Lane | BR | 10.3125 | 25.78125 | - | Gbps |
Hlokomela: 1 Per Theminale
Litšobotsi tsa Motlakase
Tafole3- Litšobotsi tsa Motlakase bakeng sa QSFP28
| Paramethara | Letšoao | Min. | Mofuta. | Max. | Diyuniti | Lintlha | |
| ModSelL | Khetha Mojule | TLHOKOMELO | 0 | - | 0.8 | V | |
| Mojule O sa Khetha | VOH | 2.5 | - | VCC | V | ||
| LPMode | Mokhoa o tlase oa Matla | THATO | 0 | - | 0.8 | V | |
| Ts'ebetso e Tloaelehileng | HIV | 2.5 | - | VCC+0.3 | V | ||
| KhutlisaL | Seta bocha | THATO | 0 | - | 0.8 | V | |
| Ts'ebetso e Tloaelehileng | HIV | 2.5 | - | VCC+0.3 | V | ||
| ModPrsL | Ts'ebetso e Tloaelehileng | TLHOKOMELO | 0 | - | 0.4 | V | |
| IntL | Khaotsa | TLHOKOMELO | 0 | - | 0.4 | V | |
| Ts'ebetso e Tloaelehileng | VoH | 2.4 | - | VCC | V | ||
| Litšobotsi tsa Transmitter ea Motlakase | |||||||
| Phapang Date Input Swing | Kea tla, PP | 200 | - | 1600 | mV | ||
| Phapang ea Phapang ea Sephetho | POTSO | 90 | 100 | 110 | Oh | ||
| Litšobotsi tsa ho amohela Motlakase | |||||||
| Phapang Data Output Swing | Hlakola | 200 | - | 800 | mVPP | ||
| Bit Error Rate | BER | E-12 | 1 | ||||
| Kena Phapano ea Impedans | LED | 90 | 100 | 110 | Oh | ||
Hlokomela: 1 PRBS2^31-1@25.78125Gbps
Tafole4- Litšobotsi tsa Motlakase bakeng sa SFP28
| Paramethara | Letšoao | Min. | Mofuta. | Max. | Diyuniti | Lintlha | ||||
| Litšobotsi tsa Transmitter ea Motlakase | ||||||||||
| Differential Data Input Swing | Kea tla, PP | 200 | - | 1600 | mVPP | |||||
| Kena Phapano ea Impedans | POTSO | 90 | 100 | 110 | Oh | |||||
| 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 | THATO | 0 | - | 0.8 | V | ||||
| Thibela Laser | HIV | 2.0 | - | VCC+0.3 | V | |||||
| Litšobotsi tsa ho amohela Motlakase | ||||||||||
| Phapang Date Output | Hlakola | 400 | - | 800 | mV | |||||
| Bit Error Rate | BER | - | - | E-12 | - | |||||
| Phapang ea Phapang ea Sephetho | LED | 90 | 100 | 110 | Oh | |||||
| Rx_LOS | Ts'ebetso e Tloaelehileng | TLHOKOMELO | 0 | - | 0.8 | V | ||||
| Lahleheloa Letšoao | VoH | 2.0 | - | VCC | V | |||||
Tlhophiso ea Pin
Setšoantšo sa 1, Pin View bakeng sa QSFP28
Tafole5- Litlhaloso tsa Ts'ebetso ea Pin bakeng sa QSFP28
| Pin | Letšoao | Lebitso/Tlhaloso | Lintlha |
| 1 | GND | Fatše | 1 |
| 2 | Tx2n | Phetiso e Felletseng ea Boitsebiso | |
| 3 | Tx2p | Kenyelletso ea data e sa Fetohang ea Transmitter | |
| 4 | GND | Fatše | 1 |
| 5 | Tx4n | Phetiso e Felletseng ea Boitsebiso | |
| 6 | Tx4 leq | Kenyelletso ea data e sa Fetohang ea Transmitter | |
| 7 | GND | Fatše | 1 |
| 8 | ModSelL | Khetha Mojule | |
| 9 | KhutlisaL | Reset Module | |
| 10 | Vcc Rx | +3.3V Moamoheli oa Phepelo ea Matla | |
| 11 | SCL | 2-terata serial segokanyimmediamentsi sa sebolokigolo oache | |
| 12 | SDA | 2-terata serial data data | |
| 13 | GND | Fatše | 1 |
| 14 | Rx3p | Sehlahisoa sa Data se sa Fetohang se Fumanang | |
| 15 | Rx3n | Sehlahisoa sa Moamoheli sa Inverted Data | |
| 16 | GND | Fatše | 1 |
| 17 | Rx1p | Sehlahisoa sa Data se sa Fetohang se Fumanang | |
| 18 | Rx1n | Sehlahisoa sa Moamoheli sa Inverted Data | |
| 19 | GND | Fatše | 1 |
| 20 | GND | Fatše | 1 |
| 21 | Rx2n | Sehlahisoa sa Moamoheli sa Inverted Data | |
| 22 | Rx2p | Sehlahisoa sa Data se sa Fetohang se Fumanang | |
| 23 | GND | Fatše | 1 |
| 24 | Rx4n | Sehlahisoa sa Moamoheli sa Inverted Data |
| Pin | Letšoao | Lebitso/Tlhaloso | Lintlha |
| 25 | Rx4p | Sehlahisoa sa Data se sa Fetohang se Fumanang | |
| 26 | GND | Fatše | 1 |
| 27 | ModPrsL | Module Present | |
| 28 | IntL | Khaotsa | |
| 29 | Vcc Tx | +3.3V Phepelo ea phepelo ea matla | |
| 30 | Vcc1 | + 3.3V Phepelo ea matla | |
| 31 | LPMode | Mokhoa o tlase oa Matla | |
| 32 | GND | Fatše | 1 |
| 33 | Tx 3 leq | Kenyelletso ea data e sa Fetohang ea Transmitter | |
| 34 | Tx3n | Phetiso e Felletseng ea Boitsebiso | |
| 35 | GND | Fatše | 1 |
| 36 | Tx1p | Kenyelletso ea data e sa Fetohang ea Transmitter | |
| 37 | Tx1n | Phetiso e Felletseng ea Boitsebiso | |
| 38 | GND | Fatše | 1 |
Tlhokomeliso: 1. Sebaka sa potoloho se arotsoe ka hare ho sebaka sa chassis.
Setšoantšo sa 2, Pin View bakeng sa SFP28
Tafole6-Pin Function Definitions
| Pin | Letšoao | Lebitso/Tlhaloso | Lintlha |
| 1 | METSI | 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 | Module Absent, e hokahaneng le VEET kapa VEER ka mojulung | 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 |
| Pin | Letšoao | Lebitso/Tlhaloso | Lintlha |
| 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.
- Lithakhisa li tla huleloa ka 4.7K-10Kohms ho motlakase o pakeng tsa 3.14V le 3.46V ho 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.
E khothalelitsoeng Potoloho
Setšoantšo sa 3, Potoloho ea Interface e khothalelitsoeng bakeng sa QSFP28
Setšoantšo sa 4, Potoloho ea Phepelo ea Matla a Boto ea Host e khothalelitsoeng bakeng sa SFP28
Setšoantšo5, Recommended Interface Circuit for SFP28
Tlhaloso ea Tlhokomelo
Setšoantšo sa 6, 'Mapa oa Memori bakeng sa QSFP28
Setšoantšo sa 7, 'Mapa oa Memori bakeng sa SFP28
Mechini
Unit mm
Setšoantšo sa 8, Setšoantšo sa Mechanical
Tafole7- Bolelele ba Cable
| Bolelele ba CableL1（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 |
Tafole8- Bolelele ba Nominal Cable Cable
| Kakaretso ea Bolelele L1(Yuniti: m) | Breakout Point E lekantsoe ho tloha ho SFPL2(Yuniti: m) |
| 1 | 0.7 |
| 2 | 1.4 |
| 3 | 2 |
| ≥5 | 3 |
Litemoso
Mehato ea ho Itlhokomela:Sesebelisoa sena se ka senyeha habonolo ka lebaka la electrostatic discharge (ESD).
Tikoloho e se nang botsitso e khothaletsoa haholo. Latela litataiso ho latela mekhoa e nepahetseng ea ESD.
Tšireletso 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.
Litšoantšo tsa lintlha tsa sehlahisoa:
Tataiso e Amanang ea Sehlahisoa:
Sepheo sa rona e lokela ho ba ho kopanya le ho ntlafatsa boleng ba boleng bo phahameng le tokiso ea thepa ea morao-rao, khabareng re hlahisa litharollo tse ncha khafetsa ho fihlela litlhoko tse ikhethang tsa bareki bakeng sa boleng bo holimo Aoc 25g Sfp28 Active Optical Cable 3m - 100-4*25G Active optical cabel. (QSFP28-4*SFP28) JHA-QSFP28-4SFP28-100G-AOC - JHA , Sehlahisoa se tla fana ka lefats'e ka bophara, joalo ka: Italy, Czech Republic, Turkmenistan, Ka tšehetso ea litsebi tsa rona tse nang le phihlelo, re etsa le ho fana ka lihlahisoa tsa boleng bo phahameng. Tsena li lekoa ka boleng ka linako tse fapaneng ho netefatsa hore marang-rang a se nang sekoli a fuoa bareki feela, re boetse re hlophisa lethathamo ho latela tlhoko ea bareki ho fihlela litlhoko tsa bareki.
Ka Muriel ho tsoa Montpellier - 2017.11.11 11:41 Fektheri e na le lisebelisoa tse tsoetseng pele, basebetsi ba nang le phihlelo le boemo bo botle ba tsamaiso, kahoo boleng ba sehlahisoa bo ne bo e-na le tiisetso, tšebelisano ena e phutholohile haholo ebile e thabile!
Ka Joa ho tsoa Serbia - 2017.11.01 17:04 
