Ifektri ekumgangatho ophezulu 25G SFP28 Passive Direct Qhoboshela iCable yeCopper Twinax

Iindibano ze-cable ze-SFP28 ze-passive zisebenza ngokuphezulu, i-I / O ye-I / O isisombululo esinexabiso le-25G Ethernet.Iintambo zobhedu ze-SFP28 zivumela abavelisi be-hardware ukuba bafezekise ukuxinana kwezibuko eliphezulu, ukulungelelaniswa kunye nokusetyenziswa ngexabiso eliphantsi kakhulu kunye nokunciphisa uhlahlo lwabiwo-mali lwamandla.

I-SFP28 i-Direct Attach Cables iyahambelana ne-SFF-8432 kunye ne-SFF-8402 inkcazo.Iinketho ezahlukeneyo zegeyiji yocingo ziyafumaneka ukusuka kwi-30 ukuya kwi-26 AWG kunye nokukhetha okuhlukeneyo kobude bentambo (ukuya kuthi ga kwi-5m).

Iimbonakalo 

Ukuya kuthi ga kwi-25.78125 Gbps izinga ledatha

Ukuya kuthi ga kwi-5 yeemitha zokuhanjiswa

I-SFP 20PIN efakwe kwi-Hot-pluggable footprint

Ukuphuculwa kweFom Factor (IPF)

ihambelana ne-EMI/EMC ephuculweyo

ukusebenza

Iyahambelana ne-SFP28 MSA

Iyahambelana ne-SFF-8402 kunye ne-SFF-8432

Uluhlu lobushushu: 0 ~ 70 °C

I-RoHS iyahambelana

 

Inzuzo

Isisombululo sobhedu esineendleko

Isisombululo samandla enkqubo esezantsi

Inkqubo ephantsi iyonke isisombululo se-EMI

Uyilo olulungiselelwe uMqondiso weMfezeko

Iimpawu zesantya esiphezulu

Ipharamitha Uphawu Min. Isiqhelo. Max. Iyunithi Phawula

Impedance eyahlukileyo

I-RIN, PP

90

100

110

Ώ

Ilahleko yokufaka

SDD21

8

22.48

dB

Kwi-12.8906 GHz
Ilahleko yoBuyiselo eyahlukileyo

SDD11

12.45

Bona u-1

dB

Kwi-0.05 ukuya kwi-4.1 GHz

SDD22

3.12

Jonga isi-2

dB

Kwi-4.1 ukuya kwi-19 GHz

Imowudi eqhelekileyo ukuya I-SCC11 -

dB

imowudi eqhelekileyo 2

Kwi-0.2 ukuya kwi-19 GHz

I-SCC22
ilahleko yokubuya kwemveliso
Umahluko kwindlela eqhelekileyo I-SCD11 12 - Jonga u-3

dB

Kwi-0.01 ukuya kwi-12.89 GHz

ilahleko yokubuyisela

SCD22

10.58

Jonga u-4

Kwi-12.89 ukuya kwi-19 GHz

10

Kwi-0.01 ukuya kwi-12.89 GHz
Umahluko kwiNdlela eqhelekileyo

SCD21-IL

Ilahleko yoGuquko

Jonga isi-5

dB

Kwi-12.89 ukuya kwi-15.7 GHz

6.3

Kwi-15.7 ukuya kwi-19 GHz
Umda wokuSebenza komjelo

COM

3

dB

 

Amanqaku:

  1. I-Reflection Coefficient enikwe nge-equation SDD11(dB) < 16.5 – 2 × SQRT(f ), kunye no f kwi GHz
  2. I-Reflection Coefficient enikwe yi-equation SDD11(dB) <10.66 – 14 × log10(f/5.5), kunye no-f kwi-GHz
  3. iReflection Coefficient enikwe yi-equation SCD11(dB) <22 – (20/25.78)*f, kunye nof kwiGHz
  4. I-Reflection Coefficient enikwe yi-equation SCD11(dB) <15 – (6/25.78)*f, kunye no-f kwi-GHz
  5. I-Reflection Coefficient enikwe yi-equation SCD21(dB) <27 – (29/22)*f, nge-f kwi-GHz

Usetyenziso

25G Ethernet