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40Gb/s QSFP+ ER4, 40km 1310nm SFP Transceiver JHA-QC40

40Gb/s QSFP+ ER4, 40km 1310nm SFP Transceiver JHA-QC40 Isithombe Esifakiwe
  • 40Gb/s QSFP+ ER4, 40km 1310nm SFP Transceiver JHA-QC40

Incazelo emfushane:

40Gb/s 40km QSFP+ Transceiver Hot Pluggable, Duplex LC Connector, Imodi Eyodwa


THOLA Isampuli EYODWA YAMAHHALA

Uhlolojikelele

Landa

Izici:

◊ 4 CWDM imizila ye-MUX/DEMUX design

◊ Kufika ku-11.2Gbps kumkhawulokudonsa wesiteshi ngasinye

◊ Umkhawulokudonsa ohlanganisiwe > 40Gbps

◊ Isixhumi se-Duplex LC

◊ Ihambisana ne-40G Ethernet IEEE802.3ba kanye ne-40GBASE-ER4 Standard

◊ I-QSFP MSA iyahambisana

◊ Isitholi sesithombe se-APD

◊ Ukuhanjiswa okungafika ku-40 km

◊ Ithobelana nezilinganiso zedatha ye-QDR/DDR Infiniband

◊ Ukunikezwa kwamandla okukodwa +3.3V okusebenzayo

◊ Imisebenzi yokuxilonga yedijithali eyakhelwe ngaphakathi

◊ Ibanga lokushisa 0°C kuya ku-70°C

◊ Ingxenye Ethobelayo ye-RoHS

Izicelo:

◊ I-Rack to Rack

◊ Izikhungo zedatha Amaswishi namaRouter

◊ Amanethiwekhi weMetro

◊ Amaswishi namaRutha

◊ Izixhumanisi ze-Ethernet ze-40G BASE-ER4

Incazelo:

I-JHA-QC40 iyimojula ye-transceiver eyenzelwe izinhlelo zokusebenza zokuxhumana ze-40km optical.Idizayini ithobelana ne-40GBASE-ER4 yezinga le-IEEE P802.3ba.I-module iguqula iziteshi ze-4 zokufakwayo (ch) zedatha kagesi ye-10Gb / s kumasignali we-4 CWDM optical, futhi iphindaphinda ibe isiteshi esisodwa se-40Gb / s yokudlulisa optical.Ngokuhlehlayo, ohlangothini lomamukeli, imojula i-optically de-multiplexes okokufaka kwe-40Gb/s ibe amasignali amashaneli angu-4 CWDM, futhi iwaguqulele kudatha kagesi ephumayo yesiteshi esingu-4.

Amaza amaphakathi eziteshi ezi-4 ze-CWDM angu-1271, 1291, 1311 kanye no-1331 nm njengamalungu egridi ye-wavelength ye-CWDM echazwe ku-ITU-T G694.2.Iqukethe isixhumi se-LC esiyi-duplex yesixhumi esibonakalayo esibonakalayo nesixhumi samaphini angama-38 esixhumi esibonakalayo sikagesi.Ukuze kuncishiswe ukuhlakazeka kokubona ohlelweni lokudonsa isikhathi eside, i-fiber yemodi eyodwa (SMF) kufanele isetshenziswe kule mojula.

Umkhiqizo uklanywe nge-form factor, uxhumano lwe-optical/electric kanye ne-digital diagnostic interface ngokuvumelana ne-QSFP Multi-Source Agreement (MSA).Iklanyelwe ukuhlangabezana nezimo zokusebenza zangaphandle ezinzima kakhulu ezihlanganisa izinga lokushisa, umswakama kanye nokuphazanyiswa kwe-EMI.

Imojula isebenza kusukela kugesi owodwa we-+3.3V kanye namasiginali okulawula umhlaba wonke we-LVCMOS/LVTTL njengeModule Present, Setha Kabusha, Ukuphazamisa kanye Nemodi Yamandla Aphansi ayatholakala namamojula.I-serial interface enezintambo ezi-2 iyatholakala ukuthumela nokwamukela amasiginali okulawula ayinkimbinkimbi kanye nokuthola ulwazi lokuxilonga lwedijithali.Iziteshi ngazinye zingasingathwa futhi iziteshi ezingasetshenzisiwe zingavalwa ukuze umklamo ube nezimo eziguquguqukayo.

I-JHA-QC40 yakhelwe nge-form factor, uxhumano lwe-optical/electric kanye nesixhumi esibonakalayo sokuxilonga sedijithali ngokweSivumelwano se-QSFP Multi-Source Agreement (MSA).Iklanyelwe ukuhlangabezana nezimo zokusebenza zangaphandle ezinzima kakhulu ezihlanganisa izinga lokushisa, umswakama kanye nokuphazanyiswa kwe-EMI.Imojula inikeza ukusebenza okuphezulu kakhulu nokuhlanganiswa kwesici, okufinyeleleka nge-serial interface enezintambo ezimbili.

•Izilinganiso Eziphelele Eziphelele

Ipharamitha

Uphawu

Okuncane.

Okujwayelekile

Ubukhulu.

Iyunithi
Izinga Lokushisa Lokugcina

TS

-40

 

+85

°C
Faka i-Voltage

VCCT, R

-0.5

 

4

V
Umswakama Ohlobene

RH

0

 

85

%

•KunconyiweIndawo yokusebenza:

Ipharamitha

Uphawu

Okuncane.

Okujwayelekile

Ubukhulu.

Iyunithi
I-Case operating Temperature

TC

0

 

+70

°C
Faka i-Voltage

VCCT, R

+3,13

3.3

+3,47

V
Ukunikezwa Kwamanje

ICC

 

 

1000

mA
Ukuchithwa kwamandla

PD

 

 

3.5

W

•Izici zikagesi(TOP = 0 kuya ku-70 °C, VCC = 3.13 kuya ku-3.47 Volts

Ipharamitha

Uphawu

Okuncane

Thayipha

Ubukhulu

Iyunithi

Qaphela
Izinga Ledatha Isiteshi ngasinye

 

-

10.3125

11.2

Gbps

 
Ukusetshenziswa kwamandla

 

-

2.5

3.5

W

 
Ukunikezwa Kwamanje

Icc

 

0.75

1.0

A

 
Lawula i-I/O Voltage-High

VIH

2.0

 

Vcc

V

 
Lawula i-I/O Voltage-Low

VIL

0

 

0.7

V

 
I-Inter-Channel Skew

I-TSK

 

 

150

Ps

 
RESETL Ubude besikhathi

 

 

10

 

Us

 
I-RESETL isikhathi sokukhipha i-assert

 

 

 

100

ms

 
Power On Time

 

 

 

100

ms

 
I-Transmitter
Ukubekezelela I-Voltage Yokukhipha Okukodwa Okuphelile

 

0.3

 

4

V

1
Imodi evamile Ukubekezelela I-Voltage

 

15

 

 

mV

 
Dlulisa I-Voltage Diff Input

VI

150

 

1200

mV

 
Dlulisa I-Impedans Eyehlukile Kokufaka

ZIN

85

100

115

 

 
Ijitha yokufaka encike kudatha

DDJ

 

0.3

 

UI

 
Umamukeli
Ukubekezelela I-Voltage Yokukhipha Okukodwa Okuphelile

 

0.3

 

4

V

 
I-Rx Output Diff Voltage

Vo

370

600

950

mV

 
I-Rx Output Rise Rise and Fall Voltage

Tr/Tf

 

 

35

ps

1
I-Jitter ephelele

TJ

 

0.3

 

UI

 

Qaphela:

  1. 20～80%

•Imingcele ye-Optical(TOP = 0 kuya ku-70°C, VCC = 3.0 kuya ku-3.6 Volts)

Ipharamitha

Uphawu

Okuncane

Thayipha

Ubukhulu

Iyunithi

Ref.
I-Transmitter
  Isabelo se-Wavelength

L0

1264.5

1271

1277.5

nm

 

L1

1284.5

1291

1297.5

nm

 

L2

1304.5

1311

1317.5

nm

 

L3

1324.5

1331

1337.5

nm

 
I-Side-mode Suppression Ratio

I-SMSR

30

-

-

dB

 
Amandla Okuqalisa Amaphakathi Aphelele

PT

-

-

8.3

dBm

 
Amandla Okuqalisa Okumaphakathi, Umzila ngamunye

 

-3

-

5

dBm

 
I-TDP, Umzila ngamunye

I-TDP

 

 

2.3

dB

 
Isilinganiso Sokuqothula

ER

3.5

6.0

 

dB

  
I-Transmitter Eye Mask Definition {X1, X2, X3, Y1, Y2, Y3}

 

 {0.25, 0.4, 0.45, 0.25, 0.28, 0.4}    

 

  
I-Optical Return Loss Tolerance

 

-

-

20

dB

 
I-Average Launch Power OFF Transmitter, Umzila ngamunye

I-Pff

 

 

-30

dBm

 
Umsindo Onamandla Okuhlobene

Rin

 

 

-128

dB/HZ

1
I-Optical Return Loss Tolerance

 

-

-

12

dB

 
Umamukeli
Umonakalo Threshold

THd

3

 

 

dBm

 1
Amandla Aphakathi Kokokufaka Kwamamukeli, Umzila ngamunye

R

-21

 

-6

dBm

 
Thola Imvamisa Yokusika Kagesi engu-3 dB ephezulu, Umzila ngamunye

 

 

 

12.3

GHz

 
Ukunemba kwe-RSSI

 

-2

 

2

dB

 
Receiver Reflectance

Rrx

 

 

-26

dB

 
Amandla Okwamukela (OMA), Umzila ngamunye

 

-

-

3.5

dBm

 
Thola i-Electric 3 dB engaphezulu Imvamisa yokusika, Umzila ngamunye

 

 

 

12.3

GHz

 
I-LOS De-Assert

LOSD

 

 

-25

dBm

 
I-LOS Assert

LOSA

-35

 

 

dBm

 
I-LOS Hysteresis

LOSH

0.5

 

 

dB

 

Qaphela

  1. I-12dB Reflection

•I-Diagnostic Monitoring Interface

Umsebenzi wokuqapha ukuxilonga kwedijithali uyatholakala kuwo wonke ama-QSFP+ ER4.I-serial interface enezintambo ezi-2 inikeza umsebenzisi ukuthi axhumane nemojuli.Ukwakheka kwenkumbulo kukhonjiswa ngokugeleza.Isikhala senkumbulo sihlelwe saba ngaphansi, ikhasi elilodwa, indawo yekheli engamabhayithi angu-128 namakhasi amaningi esikhala samakheli aphezulu.Lesi sakhiwo sivumela ukufinyelela okufika ngesikhathi kumakheli ekhasini elingezansi, elifana namafulegi aphazamisayo nabaqaphi.Isikhathi esincane esibalulekile esifakiwe, esifana nolwazi lwe-serial ID namasethingi e-threshold, ayatholakala nomsebenzi Wokukhetha Ikhasi.Ikheli lesixhumi esibonakalayo elisetshenzisiwe lithi A0xh futhi lisetshenziselwa kakhulu idatha ebalulekile yesikhathi njengokuphatha ukuphazamiseka ukuze kunikwe amandla ukufundwa kanye nje kwayo yonke idatha ehlobene nesimo sokuphazamiseka.Ngemva kokuphazamiseka, i-IntL isigonyelwe, umsingathi angafunda inkundla yefulegi ukuze anqume isiteshi esithintekile kanye nohlobo lwefulegi.

3 45 56

Okuqukethwe Kwenkumbulo ye-EEPROM Serial ID (A0h)

Idatha

Ikheli

Ubude
(Byte)

Igama lika

Ubude

Incazelo kanye Nokuqukethwe
Izinkambu ze-Base ID

128

1

Isihlonzi

 Isikhombi Uhlobo lwe-serial Module(D=QSFP+)

129

1

Ext.Isihlonzi

 Inkomba Enwetshiwe Yemojuli Ye-serial(90=2.5W)

130

1

Isixhumi

 Ikhodi yohlobo lwesixhumi(7=LC)

131-138

8

Ukuthobela imininingwane

 Ikhodi yokuhambisana kwe-elekthronikhi noma ukuhambisana kokubona(40GBASE-LR4)

139

1

Ukufaka ikhodi

 Ikhodi ye-serial encoding algorithm(5=64B66B)

140

1

BR, Okuqanjiwe

 Izinga lebhithi elincane, amayunithi angu-100 MBits/s(6C=108)

141

1

Amanani anwetshiwe khetha Ukuthobela

 Omaka bokuthobela isilinganiso esinwetshiwe

142

1

Ubude(SMF)

 Ubude besixhumanisi busekelwa ifayibha ye-SMF nge-km (28=40KM)

143

1

Ubude(OM3 50um)

 Ubude besixhumanisi busekelwe ku-EBW 50/125um fiber(OM3), amayunithi angu-2m

144

1

Ubude(OM2 50um)

 Ubude besixhumanisi busekelwe ku-50/125um fiber(OM2), amayunithi angu-1m

145

1

Ubude(OM1 62.5um)

 Ubude besixhumanisi busekelwe ku-62.5/125um fiber (OM1), amayunithi angu-1m

146

1

Ubude(Ithusi)

 Ubude besixhumanisi sekhebula yethusi noma esebenzayo, buhlanganisa ubude besixhumanisi obungu-1m obusekelwe ku-50/125um fiber (OM4), amayunithi angu-2m lapho i-Byte 147 imemezela u-850nm VCSEL njengoba kuchazwe kuThebula 37

147

1

Ubuchwepheshe bedivayisi

 Ubuchwepheshe bedivayisi

148-163

16

Igama lomthengisi

 Igama lomthengisi we-QSFP+: TIBTRONIX (ASCII)

164

1

Imojuli Enwetshiwe

 Amakhodi Anwetshiwe emojuli ye-InfiniBand

165-167

3

Umthengisi we-OUI

 I-ID yenkampani ye-QSFP+ ye-IEEE (000840)

168-183

16

Umthengisi we-PN

 Ingxenye inombolo: JHA-QC40 (ASCII)

184-185

2

Umthengisi umfundisi

 Ileveli yokubuyekeza yengxenye yenombolo enikezwe umthengisi (ASCII) (X1)

186-187

2

Ubude begagasi noma ikhebula le-Copper Attenuation

 Ubude beza beza be-laser (i-wavelength=value/20 ku-nm) noma ukuncishiswa kwekhebula le-copper ku-dB ku-2.5GHz (Adrs 186) kanye no-5.0GHz (Adrs 187) (65A4=1301)

188-189

2

Ukubekezelela amaza

 Ibanga eliqinisekisiwe le-laser wavelength(+/- inani) ukusuka kwegama
ubude begagasi.(i-wavelength Tol.=inani/200 ku-nm) (1C84=36.5)

190

1

Izinga lokushisa eliphakeme kakhulu.

 Izinga lokushisa eliphakeme kakhulu kuma-degree C (70)

191

1

CC_BASE

 Hlola ikhodi yezinkambu ze-ID eziyisisekelo (amakheli 128-190)
Izinkambu ze-ID ezinwetshiwe

192-195

4

Izinketho

 Ukukala Khetha, TX Khubaza, Tx Fault, LOS, Izexwayiso izinkomba: Temperature, VCC, RX, amandla, TX Bias

196-211

16

Umthengisi SN

 Inombolo yomkhiqizo inikezwe umthengisi (ASCII)

212-219

8

Ikhodi Yedethi

 Ikhodi yedethi yokukhiqiza yomthengisi

220

1

Uhlobo Lokuqapha Ukuxilonga

 Ibonisa ukuthi yiziphi izinhlobo zokuqapha zokuxilonga ezisetshenziswayo (uma zikhona) kuMojuli.Ibhithi 1, 0 Igodliwe (8=Amandla Amaphakathi)

221

1

Izinketho Ezithuthukisiwe

 Ibonisa ukuthi yiziphi izici ozikhethela ezithuthukisiwe ezisetshenziswa kuMojuli.

222

1

 Kugciniwe

223

1

CC_EXT

 Hlola ikhodi Yezinkambu Zomazisi Ezandisiwe (amakheli 192-222)
Izinkambu ze-ID ethize yomthengisi

224-255

32

 Umthengisi Specific EEPROM


•Isikhathi Sokulawula Okuthambile kanye Nemisebenzi Yesimo

Ipharamitha

Uphawu

Ubukhulu

Iyunithi

Izimo
Isikhathi Sokuqalisa t_ini 2000 ms Isikhathi kusukela emandleni ku-1, ipulaki elishisayo noma unqenqema olukhuphukayo Lokusetha Kabusha ize imojuli isisebenze ngokugcwele2
Setha Kabusha Isikhathi Sokugunyazwa Kwe-Init t_reset_init 2 μs Ukusetha kabusha kukhiqizwa izinga eliphansi elide kunesikhathi esincane sokusetha kabusha ishayela esikhona kuphinikhodi ye-ResetL.
I-serial Bus Hardware Ready Isikhathi t_serial 2000 ms Isikhathi sisuka emandleni ku-1 kuze kube imojuli iphendula ekudluliselweni kwedatha ngebhasi eliwuchungechunge elinezintambo ezi-2
Qapha Idatha IlungileIsikhathi t_idatha 2000 ms Isikhathi sisuka emandleni ku-1 siye kudatha engakalungi, i-bit 0 ye-Byte 2, i-deasserted futhi i-IntL iyagomela
Setha kabusha Isikhathi Sokugomela t_setha kabusha 2000 ms Isikhathi kusukela ekuphakameni konqenqema kuphinikhodi ye-ResetL kuze kube yilapho imojuli isisebenza ngokugcwele2
Isikhathi Sokugunyaza se-LPMode ton_LPMode 100 μs Isikhathi kusukela ekugomeleni kwe-LPMode (Vin:LPMode =Vih) kuze kube yilapho ukusetshenziswa kwamandla emojuli kungena Izinga Lamandla eliphansi
Isikhathi se-IntL Assert ithoni_IntL 200 ms Isikhathi kusukela ekuveleni kwesimo esidala i-IntL kuze kube i-Vout:IntL = Vol
Isikhathi se-IntL Deassert i-toff_IntL 500 μs toff_IntL 500 μs Isikhathi kusukela ekucaceni kokusebenza kokufunda3 kwefulegi elihlobene kuze kube i-Vout:IntL = Voh.Lokhu kuhlanganisa izikhathi zamadesethi ze-Rx LOS, Tx Fault nezinye izingcezu zefulegi.
Isikhathi se-Rx LOS Assert amathani_ukulahlekelwa 100 ms Isikhathi esisuka kusifunda se-Rx LOS siye ku-Rx LOS bit set futhi i-IntL iyagomela
Maka Isikhathi Sokugomela ifulegi_lethani 200 ms Isikhathi kusukela ekuveleni kwesimo esibangela ukuhlaba umkhosi kuye ekusethweni kwebhithi yefulegi elihlobene kanye ne-IntL yagomela
Isikhathi Sokugcizelela Imaski ton_mask 100 ms Isikhathi kusuka ku-mask bit set4 kuze kube yilapho ukugomela okuhambisanayo kwe-IntL kuvinjelwe
Isikhathi seMask De-assert toff_mask 100 ms Isikhathi esisuka kubhithi yemaski sisuliwe4 kuze kube yilapho umsebenzi we-IntlL ohlobene uqalisa kabusha
Isikhathi Sokuqinisekisa se-ModSelL ton_ModSelL 100 μs Isikhathi kusukela ekugomeleni kwe-ModSelL kuze kube yilapho imojuli iphendula ekudlulisweni kwedatha ngebhasi le-serial elinezintambo ezi-2
Isikhathi se-ModSelL Deassert toff_ModSelL 100 μs Isikhathi kusukela ekukhishweni kwe-ModSelL kuze kube yilapho imojula ingaphenduli ekudlulisweni kwedatha ngebhasi le-serial elinezintambo ezi-2
Power_over-ride nomaIsikhathi Sokugunyaza Setha Amandla ton_Pdown 100 ms Isikhathi sisuka ku-P_Down bit setha 4 kuze kube yilapho ukusetshenziswa kwamandla emojuli kungena kuleveli Yamandla ephansi
Power_over-ride noma Power-set De-assert Time toff_Phansi 300 ms Isikhathi esisuka ku-P_Down bit cleared4 kuze kube yilapho imojuli isisebenza ngokugcwele3

Qaphela:

1. Amandla avuliwe achazwa ngokuthi osheshayo lapho amandla ogesi efika futhi ahlale engaphezulu noma ngaphezu kwenani elincane elishiwo.

2. Ukusebenza ngokugcwele kuchazwa ngokuthi i-IntL igomela ngenxa yedatha engakalungi kancane, i-bit 0 byte 2 de-asserted.

3. Kukalwa kusuka onqenqemeni lwewashi eliwayo ngemva kokuma kokusebenza okufundiwe.

4. Kukalwa kusuka onqenqemeni lwewashi eliwayo ngemuva kokuma kancane kokubhala okwenziwe.

•I-Transceiver Block Diagram

43 

•Phina Isabelo

 54

Umdwebo Wezinombolo Zephini Lebhodi Lomsingathi Vimba Negama

•PhinaIncazelo

Phina

Okunengqondo

Uphawu

Igama/Incazelo

Ref.

1

 

GND

 Ground

1

2

CML-I

Tx2n

 I-Transmitter Inverted Data Input

 

3

CML-I

Tx2p

 Okukhiphayo Kwedatha Engaguquliwe Ye-Transmitter

 

4

 

GND

 Ground

1

5

CML-I

Tx4n

 I-Transmitter Inverted Data Output

 

6

CML-I

Tx4p

 I-Transmitter Okukhiphayo Kwedatha Engaguquki

 

7

 

GND

 Ground

1

8

I-LVTTL-I

I-ModSel

 Khetha imojula

 

9

I-LVTTL-I

Setha kabushaL

 Ukusetha kabusha imojuli

 

10

 

VccRx

 +3.3V Isitholi Sokuhlinzeka Ngogesi

2

11

I-LVCMOS-I/O

I-SCL

 2-Wire Serial Interface Clock

 

12

I-LVCMOS-I/O

I-SDA

 Idatha ye-2-Wire Serial Interface

 

13

 

GND

 Ground

1

14

I-CML-O

Rx3p

 Okukhiphayo Kwedatha Ehlanekezelwe Isamukeli

 

15

I-CML-O

Rx3n

 Isamukeli Okukhiphayo Kwedatha Engaguquliwe

 

16

 

GND

 Ground

1

17

I-CML-O

Rx1p

 Okukhiphayo Kwedatha Ehlanekezelwe Isamukeli

 

18

I-CML-O

Rx1n

 Isamukeli Okukhiphayo Kwedatha Engaguquliwe

 

19

 

GND

 Ground

1

20

 

GND

 Ground

1

21

I-CML-O

Rx2n

 Okukhiphayo Kwedatha Ehlanekezelwe Isamukeli

 

22

I-CML-O

Rx2p

 Isamukeli Okukhiphayo Kwedatha Engaguquliwe

 

23

 

GND

 Ground

1

24

I-CML-O

Rx4n

 Okukhiphayo Kwedatha Ehlanekezelwe Isamukeli

 

25

I-CML-O

Rx4p

 Isamukeli Okukhiphayo Kwedatha Engaguquliwe

 

26

 

GND

 Ground

1

27

I-LVTTL-O

I-ModPrsL

 Imojula Ikhona

 

28

I-LVTTL-O

I-IntL

 Phakamisa

 

29

 

VccTx

 +3.3V Isidluliseli Samandla Samandla

2

30

 

Vcc1

 +3.3V Ukunikezwa kwamandla

2

31

I-LVTTL-I

I-LPMode

 Imodi Yamandla Aphansi

 

32

 

GND

 Ground

1

33

CML-I

Tx3p

 I-Transmitter Inverted Data Output

 

34

CML-I

Tx3n

 I-Transmitter Okukhiphayo Kwedatha Engaguquki

 

35

 

GND

 Ground

1

36

CML-I

Tx1p

 I-Transmitter Inverted Data Output

 

37

CML-I

Tx1n

 I-Transmitter Okukhiphayo Kwedatha Engaguquki

 

38

 

GND

 Ground

1

Amanothi:

  1. I-GND iwuphawu lwe-single and supply(amandla) avamile kumamojula e-QSFP, Konke kuvamile ngaphakathi kwemojula ye-QSFP futhi wonke amamojula ogesi abhekiselwa kulokhu okungenzeka kuphawulwe ngenye indlela.Xhuma lezi ngokuqondile endizeni yaphansi yesignali yebhodi lomsingathi.Okukhipha i-laser kukhutshaziwe ku-TDIS >2.0V noma kuvuliwe, kunikwe amandla ku-TDIS <0.8V.
  2. I-VccRx, Vcc1 kanye ne-VccTx zingabahlinzeki bamandla abamukelayo nabathumeli futhi bazosetshenziswa kanyekanye.Ukuhlunga okunconyiwe kwebhodi lomsingathi kuboniswa ngezansi.I-VccRx, Vcc1 ne-VccTx ingase ixhumeke ngaphakathi ngaphakathi kwemojula ye-transceiver ye-QSFP kunoma iyiphi inhlanganisela.Izikhonkwane zokuxhuma ngayinye zilinganiselwe ngobuningi bamanje obungu-500mA.

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•Ubukhulu Bomshini

43

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