25G SFP28 Ikhebula le-optical elisebenzayo JHA-SFP28-25G-AOC

I-25G SFP28 Intambo yokubona esebenzayo JHA-SFP28-25G-AOC Isithombe Esifakiwe

Incazelo emfushane:

Isixhumi esibonakalayo sikagesi sithobela i-SFF-8431
850nm VCSEL laser kanye PIN photo-detector
Ubude besixhumanisi obukhulu bungu-70m ku-OM3 MMF no-100m ku-OM4 MMF

XHUMANA MANJE THOLA Isampuli EYODWA YAMAHHALA

Uhlolojikelele

Landa

Izici

◊ Isixhumi esibonakalayo sikagesi sithobela i-SFF-8431

◊ 850nm VCSEL laser kanye ne-PIN photo-detector

◊ Ubude besixhumanisi obukhulu obungu-70m ku-OM3 MMF no-100m ku-OM4 MMF

◊ Imisebenzi yokuxilongwa kwedijithali iyatholakala ngesixhumi esibonakalayo se-I2C

◊ Ikesi elisebenzayo lokushisa Ezentengiso: 0°C kuya +70 °C

◊ +3.3V ukunikezwa kwamandla okukodwa

◊ Ukusetshenziswa kwamandla ngaphansi kuka-1W

◊ I-RoHS iyahambisana

◊ Ukuvikelwa kwephasiwedi ye-A0h ne-A2h

Izinhlelo zokusebenza

◊ 25GBASE-SR Ethernet

◊ Amaseva, amaswishi, isitoreji nama-adaptha wekhadi lokusingatha

Ukucaciswa

Izilinganiso Eziphelele Eziphelele

Ithebula1- Izilinganiso Eziphelele Eziphelele

Ipharamitha	Uphawu	Okuncane.	Okujwayelekile	Ubukhulu.	Iyunithi	Amanothi
Faka i-Voltage	Vcc3	-0.5	-	+3.6	V
Izinga Lokushisa Lokugcina	Ts	-10	-	+70	°C
Umswakama Osebenzayo	RH	+5	-	+85	%	1

Qaphela: 1 Akukho ukufingqa

Izimo Zokusebenza Ezinconyiwe

Ipharamitha	Uphawu	Okuncane.	Okujwayelekile	Ubukhulu.	Iyunithi	Amanothi
I-Operating Case Temperature	TC	0	-	+70	°C
I-Voltage Yokuhlinzeka Amandla	Vcc	3.14	3.3	3.47	V
Ukunikezwa kwamandla kwamanje	Icc	-	-	300	mA
Ukuchithwa kwamandla	Pd	-	-	1.0	W
I-Bit Rate	BR	8.5	25.78125	-	Gbps
I-Fiber Bend Radius	Rb	3	-	-	cm

Ithebula2- Izimo zokusebenza ezinconyiwe

Izici zikagesi

Ithebula3- Izimpawu zikagesi

Ipharamitha			Uphawu		Okuncane.	Thayipha.	Ubukhulu.	Amayunithi		Amanothi
I-Transmitter
I-Differential Data Input Swing			Vin, PP		200	-	1600		mVPP
Umehluko Wokufaka			ZIN		90	100	110		Ω
Tx_Fault	Ukusebenza Okuvamile		I-VOL		0	-	0.8		V
	Iphutha Lokudlulisa		VOH		2.0	-	VCC		V
Tx_Disable	Ukusebenza Okuvamile		VIL		0	-	0.8		V
	I-Laser Khubaza		VIH		2.0	-	VCC+0.3		V
Umamukeli
Okuphumayo Kwedethi Ehlukile				Vuma	400	-	800	mV
I-Output Differential Impedance				ZD	90	100	110	Ω
Rx_LOS		Ukusebenza Okuvamile		I-VOL	0	-	0.8	V
		Lahla Isiginali		I-VoH	2.0	-	VCC	V

Izimpawu ze-Optical

Ithebula4-Izici ze-Optical

Ipharamitha	Uphawu	Iyunithi	Okuncane	Thayipha	Ubukhulu	Amanothi
Izimpawu ze-Optical transmitter
I-Bit Rate	BR	Gbps	8.5	25.78125	-
I-Center Wavelength Range	λc	nm	820	850	880
Amandla okuqalisa amaphakathiTx_off	I-Pff	dBm	-	-	-45
Yethula Amandla Okubona	P0	dBm	-6.0		2.4	1
Isilinganiso Sokuqothula	ER	dB	2	-	-
Ububanzi be-Spectral(RMS)	I-RMS	nm	-	-	0.65
Izimpawu ze-Optical Receiver
I-Bit Rate	BR	Gbps	8.5	25.78125
I-Bit Error Rate	I-BER		-	-	E-12
Umkhawulo wokulimala	DT	dBm	3.4	-	-

I-Optical yokufaka yokulayisha ngokweqileAmandla	I-PIN	dBm	2.4	-	-	2
I-Center Wavelength Range	λc	nm	820	-	880
Ukuzwela komamukeli kuAmandla Amaphakathi	USen	dBm	-	-	-5.2	3
I-Los Assert	LosA	dBm	-30	-	-
Los De-Assert	I-LosD	dBm	-	-	-13
I-Los Hysteresis	LosH	dB	0.5

Qaphela:

Kuhlanganiswe ku-50/125 MMF.
Kukalwe nge-PRBS 231-1 iphethini yokuhlola @25.78125Gbps.BER=E-12 3. BER=1×10-12; I-PRBS231-1@25.78125Gbps.

Kunconyiwe Ibhodi Lomsingathi Lokuhlinzeka Amandla Amandla

Umfanekiso 1, Umjikelezo Wokuhlinzeka Ngamandla Webhodi Lomsingathi Elinconyiwe

Kunconyiwe I-Interface Circuit

Umfanekiso wesi-2, Isekethe ye-Interface Enconyiwe

Ukuhlelwa kwephini

Umfanekiso 3, Ukubuka Kwephini

Ithebula5-Pin Umsebenzi

Izincazelo

Phina	Uphawu	Igama/Incazelo	Amanothi
1	I-VEET	I-Module Transmitter Ground	1
2	TX_FAULT	Iphutha Lokudlulisa Imojula	2
3	TX_KHUBAZA	Khubaza i-Transmitter;Ivala okukhipha i-laser transmitter	3
4	I-SDA	I-2-Wire Serial Interface Data Line (MOD-DEF2)
5	I-SCL	2-Wire Serial Interface Clock (MOD-DEF1)
6	MOD_ABS	I-Module Absent, ixhunywe ku-VEET noma i-VEER kumojula	2
7	RS0	Linganisa Khetha 0, ngokuzikhethela ulawula isamukeli semojula ye-SFP+	4
8	RX_LOS	Ukulahleka Kwesamukeli Sokubonakaliswa Kwesiginali (Ku-FC eqokwe njenge-Rx_LOS kanye ne-Ethernet ekhethwe NJENGAWUKHO I-Signal Detect)	2
9	I-RS1	Linganisa Khetha 1, ngokuzikhethela ulawula i-SFP+ module transmitter	4
10	VEER	I-Module Receiver Ground	1
11	VEER	I-Module Receiver Ground	1
12	RD-	Okukhiphayo Kwedatha Ehlanekezelwe Isamukeli
13	I-RD+	Isamukeli Okukhiphayo Kwedatha Engaguquliwe
14	VEER	I-Module Receiver Ground	1
15	I-VCCR	I-Module Receiver 3.3 V Ukunikezela
16	I-VCCT	I-Module Transmitter 3.3 V Supply
17	I-VEET	I-Module Transmitter Ground	1
18	I-TD+	Okokufaka Kwedatha Engaguquliwe Ye-Transmitter
19	TD-	I-Transmitter Inverted Data Input
20	I-VEET	I-Module Transmitter Ground	1

Qaphela:

Izikhonkwane zomhlabathi zemojuli zihlukanisiwe nemojuli icala.
I izikhonkwane ngizo be wadonsa up nge 4.7K-10Kohms to a i-voltage phakathi 3.14V kanye 3.46V on umsingathi ibhodi.
Iphinikhodi idonselwa ku-VCCT nge-resistor engu-4.7K-10KΩ ku- imojula.
Bheka Ithebula le-SFF-8472 Rev12.2 10-2.