2019 boleng bo phahameng Sfp28-25g-Aoc 5m - 25G SFP28 Direct Attach Cable (DAC) JHA-SFP28-25G-PCU - JHA
2019 boleng bo phahameng Sfp28-25g-Aoc 5m - 25G SFP28 Direct Attach Cable (DAC) JHA-SFP28-25G-PCU – JHA Detail:
Tlhaloso e Akaretsang
SFP28 Direct Attach Cables li lumellana le litlhaloso tsa SFF-8432 le SFF-8402. Likhetho tse fapaneng tsa litekanyo tsa mohala li fumaneha ho tloha ho 30 ho isa ho 26 AWG ka likhetho tse fapaneng tsa bolelele ba cable (ho fihla ho 5m).
Likopano tsa SFP28 passive cable ke ts'ebetso e phahameng, litharollo tsa I / O tse theko e boima bakeng sa 25G Ethernet. Lithapo tsa koporo tsa SFP28 li lumella lihlahisoa tsa hardware ho fihlela sekhahla se phahameng sa boema-kepe, ho hlophisoa le ho sebelisoa ka theko e tlase haholo le tekanyetso e fokotsehileng ea matla.
Likaroloana
◊ Ho fihla ho 25.78125 Gbps sekhahla sa data
◊ Ho fihla ho 5 metres phetiso
◊ Letlapa le chesang la SFP 20PIN
◊ Foromo e ntlafalitsoeng ea plugable (IPF) e lumellana le ts'ebetso e ntlafalitsoeng ea EMI/EMC
◊ E lumellana le SFP28 MSA
◊ E lumellana le SFF-8402 le SFF-8432
◊ Mocheso Range: 0~ 70 °C
◊ RoHS e lumellana
Melemo
◊ Tharollo ea koporo e theko e boima
◊ Tharollo e tlase ka ho fetesisa ea matla a sistimi
◊ Tharollo ea EMI e tlase ka ho fetesisa
◊ Moralo o ntlafalitsoeng oa Signal Integrity
Lisebelisoa
◊ 25G Ethernet
Litšobotsi tsa Lebelo le Phahameng
| Paramethara | Letšoao | Min | E tloaelehileng | Max | Yuniti | Hlokomela | ||
| Impedans e fapaneng | RIN, PP | 90 | 100 | 110 | O | |||
| tahlehelo ea ho kenya | SDD21 | 8 | 22.48 | dB | Ho 12.8906 GHz | |||
| Tahlehelo ea ho Khutlela e fapaneng | SDD11 | 12.45 | Sheba 1 | dB | Ka 0.05 ho 4.1 GHz | |||
| SDD22 | 3.12 | Sheba 2 | dB | Ho 4.1 ho isa ho 19 GHz | ||||
| Mokhoa o tloaelehileng oa ho | SCC11 | dB | ||||||
| tloaelehileng-mokhoa | 2 | Ho 0.2 ho isa ho 19 GHz | ||||||
| SCC22 | ||||||||
| tahlehelo ea ho khutlisa tlhahiso | ||||||||
| E fapaneng le mokhoa o tloaelehileng | SCD11 | 12 | Sheba 3 | dB | Ka 0.01 ho 12.89 GHz | |||
| tahlehelo ea ho khutla | SCD22 | 10.58 | Sheba 4 | Ka 12.89 ho 19 GHz | ||||
| 10 | Ka 0.01 ho 12.89 GHz | |||||||
| Phapang ho Mokhoa o tloaelehileng | SCD21-IL | Sheba 5 | dB | Ka 12.89 ho 15.7 GHz | ||||
| Phetoho Tahleho | ||||||||
| 6.3 | Ho 15.7 ho isa ho 19 GHz | |||||||
| Sebaka sa Ts'ebetso ea Channel | LE | 3 | dB | |||||
Pin Litlhaloso
SFP28 Pin Function Definition
| Pin | Maikutlo | Letšoao | Lebitso/Tlhaloso | Lintlha | ||
| 1 | VeeT | Sebaka sa Transmitter | ||||
| 2 | LV-TTL-O | TX_Phoso | N/A | 1 | ||
| 3 | LV-TTL-I | TX_DIS | Transmitter Disable | 2 | ||
| 4 | LV-TTL-I/O | SDA | Tow Wire Serial Data | |||
| 5 | LV-TTL-I | SCL | Tow Wire Serial Clock | |||
| 6 | MOD_DEF0 | Mojule o teng, hokela ho VeeT | ||||
| 7 | LV-TTL-I | RS0 | N/A | 1 | ||
| 8 | LV-TTL-O | MOTSAMAI | LOS ea Letšoao | 2 | ||
| 9 | LV-TTL-I | RS1 | N/A | 1 | ||
| 10 | VeeR | Reciever Ground | ||||
| 11 | VeeR | Reciever Ground | ||||
| 12 | CML-O | RD- | Reciever Data Inverted | |||
| 13 | CML-O | RD+ | Reciever Data Non-Inverted | |||
| 14 | VeeR | Reciever Ground | ||||
| 15 | VccR | Reciever Supply 3.3V | ||||
| 16 | VccT | Phepelo ea Transmitter 3.3V | ||||
| 17 | VeeT | Sebaka sa Transmitter | ||||
| 18 | CML-I | TD+ | Transmitter Data No-Inverted | |||
| 19 | CML_I | TD- | Transmitter Data Inverted | |||
| 20 | VeeT | Sebaka sa Transmitter | ||||
| 1. | Lipontšo ha li tšehetsoe ho SFP+ Copper e huleloeng tlase ho VeeT e nang le 30K ohms resistor | |||||
| 2. | Likopano tsa cable tsa passive ha li tšehetse | LOS le TX_DIS | ||||
Mechini Litlhaloso
Sehokelo se lumellana le litlhaloso tsa SFF-8432.
| Bolelele (m) | Cable AWG |
| 1 | 30 |
| 2 | 30 |
| 3 | 30/26 |
| 4 | 26 |
| 5 | 26 |
Taolo Ho latela melao
| Sebopeho | Teko Mokhoa | Tshebetso |
| Electrostatic Discharge (ESD) ho Lithako tsa Motlakase | Mokhoa oa MIL-STD-883C 3015.7 | Sehlopha sa 1(>2000 Volts) |
| Tšitiso ea Motlakase (EMI) | Sehlopha sa FCC sa B | E Ikamahanya le Maemo |
| Sehlopha sa CENELEC EN55022 B | ||
| CISPR22 ITE Sehlopha sa B | ||
| RF Immunity(RFI) | IEC61000-4-3 | Ha e le hantle, ha e bontše phello e lekantsoeng ho tloha ho 10V/m Field Swept ho tloha ho 80 ho isa ho 1000MHz |
| Ho latela RoHS | RoHS Directive 2011/65/EU le Litaelo tsa Liphetoho tsa eona 6/6 | RoHS 6/6 e lumellana |
Litšoantšo tsa lintlha tsa sehlahisoa:
Tataiso e Amanang ea Sehlahisoa:
Re kholisehile hore ka boiteko bo kopanetsoeng, khoebo e pakeng tsa rona e tla re tlisetsa melemo e tšoanang. Re ka u tiisetsa ntho e ntle haholo le e mabifi ea theko ea 2019 ea boleng bo holimo Sfp28-25g-Aoc 5m - 25G SFP28 Direct Attach Cable (DAC) JHA-SFP28-25G-PCU - JHA , Sehlahisoa se tla fana ka lefats'e ka bophara, joalo ka joalo ka: Comoros, azerbaijan, Egypt, joale re lebelletse tšebelisano e kholo le mose ho maoatle bareki e thehiloeng melemo bobeli. Re tla sebetsa ka pelo eohle ho ntlafatsa lihlahisoa le litšebeletso tsa rona. Hape re ts'episa ho sebetsa 'moho le balekane ba khoebo ho phahamisetsa tšebelisano ea rona boemong bo phahameng le ho arolelana katleho hammoho. Re u amohela ka mofuthu hore u etele fektheri ea rona ka tieo.
Ka Kitty ho tsoa Botswana - 2018.12.30 10:21 Boleng bo Phahameng, Bokhabane bo Phahameng, Boqapi le Botšepehi, bo lokelang ho ba le tšebelisano ea nako e telele! Re lebeletse tšebelisano-'moho nakong e tlang!
Ka Ricardo ho tsoa Sierra Leone - 2018.09.23 17:37 












