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25G SFP28 Chingwe chogwira ntchito JHA-SFP28-25G-AOC

25G SFP28 Chingwe chowoneka bwino cha JHA-SFP28-25G-AOC Chithunzi Chowonetsedwa
  • 25G SFP28 Chingwe chogwira ntchito JHA-SFP28-25G-AOC
  • 25G SFP28 Chingwe chogwira ntchito JHA-SFP28-25G-AOC
  • 25G SFP28 Chingwe chogwira ntchito JHA-SFP28-25G-AOC

Kufotokozera Kwachidule:

Mawonekedwe amagetsi amagwirizana ndi SFF-8431
850nm VCSEL laser ndi PIN chithunzi-detector
Kutalika kwakukulu kwa ulalo ndi 70m pa OM3 MMF ndi 100m pa OM4 MMF


PEZANI CHITSANZO CHIMODZI CHAULERE

Mwachidule

Tsitsani

Mawonekedwe

◊ Mawonekedwe amagetsi amagwirizana ndi SFF-8431

◊ 850nm VCSEL laser ndi PIN chithunzi-detector

◊ Utali wochuluka wa ulalo wa 70m pa OM3 MMF ndi 100m pa OM4 MMF

◊ Ntchito za Digital diagnostics zimapezeka kudzera pa mawonekedwe a I2C

◊ Kutentha kwankhani yogwirira ntchito Zamalonda: 0 ° C mpaka +70 °C

◊ +3.3V magetsi amodzi

◊ Kugwiritsa ntchito mphamvu zosakwana 1W

◊ RoHS imagwirizana

◊ Chitetezo chachinsinsi cha A0h ndi A2h

Mapulogalamu

◊ 25GBASE-SR Ethernet

◊ Maseva, zosinthira, zosungirako ndi ma adapter makhadi olandila

Kufotokozera

Mtheradi Maximum Mavoti

Table1- Mtheradi Wopambana Mavoti

Parameter Chizindikiro Min. Chitsanzo Max. Chigawo Zolemba
Supply Voltage Vcc3 -0.5 - + 3.6 V  
Kutentha Kosungirako Ts -10 - + 70 °C  
Kuchita Chinyezi RH +5 - + 85 % 1

Zindikirani: 1 Palibe condensation

Malamulo Oyendetsera Ntchito

Parameter Chizindikiro

Min.

 Chitsanzo

Max.

 Chigawo Zolemba
Kutentha kwa Ntchito TC 0 -

+ 70

 °C  
Mphamvu yamagetsi yamagetsi Vcc

3.14

 3.3

3.47

 V  
Power Supply Current Icc - -

300

 mA  
Kutaya Mphamvu Pd - -

1.0

 W  
Pang'ono Rate BR

8.5

 25.78125 - Gbps  
Fiber Bend Radius Rb 3 - - cm  

Table2- Analimbikitsa Opaleshoni Zinthu

Makhalidwe Amagetsi

Table3- Makhalidwe Amagetsi

Parameter Chizindikiro Min. Lembani.

Max.

 Mayunitsi Zolemba

                                         Wotumiza
Differential Data Input Swing Vini, PP 200 - 1600 mVPP  
Lowetsani Differential Impedance ZIN 90 100 110 Ω  
 Tx_Fault Normal Operation VOL 0 - 0.8 V  
Kulakwitsa kwa Transmitter VOH 2.0 - Chithunzi cha VCC V  
 Tx_Disable Normal Operation VIL 0 - 0.8 V  
Laser Disable VIH 2.0 - VCC+0.3 V  
Wolandira
Kutuluka kwa Tsiku Losiyana Vout 400 -

800

 mV  
Zotulutsa Zosiyanasiyana Zosokoneza ZD 90 100

110

 Ω  
 Rx_LOS Normal Operation VOL 0 -

0.8

 V  
Kutaya Signal VoH 2.0 -

Chithunzi cha VCC

 V  

Mawonekedwe a Optical

Table4-Mawonekedwe a Optical

Parameter Chizindikiro

Chigawo

 Min Lembani Max Zolemba
Makhalidwe a Optical transmitter
Pang'ono Rate BR

Gbps

 8.5 25.78125 -  
Pakati Wavelength Range λc ndi

nm

 820 850 880  
Avereji Launch mphamvuTx_off Poff

dBm

 - - -45  
Tsegulani Optical Power P0

dBm

 -6.0   2.4 1
Chiwerengero cha Kutha ER dB 2 - -  
Spectral Width(RMS) Mtengo wa RMS

nm

 - - 0.65  
Mawonekedwe a Optical Receiver
Pang'ono Rate BR

Gbps

 8.5 25.78125    
Pang'ono Error Rate BER   - - E-12  
Chiwopsezo cha kuwonongeka DT

dBm

 3.4 - -  
Kuyika Kwambiri KwambiriMphamvu PIN dBm 2.4

-

 - 2
Pakati Wavelength Range λc ndi nm 820

-

 880  
Receiver Sensitivity muAvereji Mphamvu Sen dBm -

-

 -5.2 3
Los Assert LosaA dBm -30

-

 -  
Los De-Assert LosD dBm -

-

 -13  
Matenda a Hysteresis LosH dB 0.5      

Zindikirani:

  1. Zogwirizana ndi 50/125 MMF.
  2. Kuyesedwa ndi PRBS 231-1 mayeso chitsanzo @25.78125Gbps.BER=E-12 3. BER=1×10-12; Mtengo wa PRBS231-1@25.78125Gbps.

Analimbikitsa Host Board Power Supply Circuit

87 (1)

Chithunzi 1, Analimbikitsa Host Board Power Supply Circuit

Interface Circuit yovomerezeka

87 (2) 

Chithunzi 2, Chidutswa cha Interface Chovomerezeka

Kupanga pini

87 (3) 

Chithunzi 3, Pin View

Table5-Pin Ntchito

Matanthauzo

Pin Chizindikiro Dzina/Mafotokozedwe Zolemba
1 VEET Module Transmitter Ground 1
2 TX_FAULT Module Transmitter Fault 2
3 TX_DISABLE Kuletsa Transmitter;Izimitsa kutulutsa kwa laser transmitter 3
4 SDA 2-Wire Serial Interface Data Line (MOD-DEF2)  
5 Mtengo wa magawo SCL 2-Wire Serial Interface Clock (MOD-DEF1)  
6 MOD_ABS Module Kulibe, yolumikizidwa ndi VEET kapena VEER mu gawoli 2
7 RS0 Rate Select 0, mwina amawongolera SFP + module wolandila 4
8 RX_LOS Kutaya kwa Chizindikiro cha Receiver (Mu FC yodziwika kuti Rx_LOS komanso mu Ethernet yotchulidwa kuti NOT Signal Detect) 2
9 RS1 Rate Select 1, mwina amawongolera SFP + module transmitter 4
10 VEER Module Receiver Ground 1
11 VEER Module Receiver Ground 1
12 RD- Receiver Inverted Data Output  
13 RD+ Receiver Non-Inverted Data Output  
14 VEER Module Receiver Ground 1
15 Chithunzi cha VCCR Module Receiver 3.3 V Supply  
16 Chithunzi cha VCCT Module Transmitter 3.3 V Supply  
17 VEET Module Transmitter Ground 1
18 TD+ Zolowetsa Zosasinthika za Transmitter  
19 TD- Kulowetsa kwa data ya Transmitter  
20 VEET Module Transmitter Ground 1

Zindikirani:

  1. Zikhomo zapansi za module zimasiyanitsidwa ndi module mlandu.
  2. The zikhomo adzatero be kukoka up ndi 4.7K-10Kohms to a Voteji pakati 3.14v ndi 3.46V on wolandira bolodi.
  3. Pini imakokedwa mpaka VCCT yokhala ndi 4.7K-10KΩ resistor mu moduli.
  4. Onani SFF-8472 Rev12.2 Table 10-2.

Tsatanetsatane wa Monitoring

87 (4)

Chithunzi 4, Memory Map

 

Mechanical Design Chithunzi

87 (5)

Table5-Chingwe

Utali

Kutalika kwa ChingweL(Unit: m） Wololera(Unit: cm）
≤1.0 +5/-0
1.0＜L≤4.5 + 15/-0
4.5＜L≤14.5 +30/-0
＞14.5 +2%/-0

Machenjezo

Kusamala: Chipangizochi chimatha kuwonongeka chifukwa cha electrostatic discharge (ESD).

Malo opanda static akulimbikitsidwa kwambiri.Tsatirani malangizo molingana ndi njira zoyenera za ESD.

Chitetezo cha Laser: Ma radiation opangidwa ndi zida za laser amatha kukhala owopsa kwa maso amunthu.Pewani kukhudzana ndi maso ndi ma radiation alunjika kapena osalunjika.

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