25G SFP28 uwea ʻōpika ikaika JHA-SFP28-25G-AOC

Hoʻopili ke kikowaena uila iā SFF-8431
850nm VCSEL laser a me ka ʻike kiʻi PIN
ʻO 70m ka lōʻihi o ka loulou ma OM3 MMF a me 100m ma OM4 MMF

Nānā nui

◊ Hoʻopili pili uila iā SFF-8431

◊ 850nm VCSEL laser a me ka ʻike kiʻi PIN

◊ ʻO 70m ka lōʻihi o ka loulou ma OM3 MMF a me 100m ma OM4 MMF

◊ Loaʻa nā hana diagnostics digital ma o ka interface I2C

◊ ʻO ka mahana hana hana Kalepa: 0°C a +70 °C

◊ + 3.3V hoʻokahi mana lako

◊ ʻO ka hoʻohana mana ma lalo o 1W

◊ Hoʻopili ʻo RoHS

◊ Pale ʻōlelo huna no A0h a me A2h

Nā noi

◊ 25GBASE-SR Ethernet

◊ Nā kikowaena, nā hoʻololi, ka mālama ʻana a me nā mea hoʻopili kāleka hoʻokipa

Hōʻike

Nā helu kiʻekiʻe loa

Papa 1- Loaʻa Loa Loaʻa

Nānā: 1 ʻAʻohe condensation

Nā hiʻohiʻona uila

Papakaukau3- Nā hiʻohiʻona uila

ʻĀpana			hōʻailona		Min.	ʻAno.	Max.	Nā ʻāpana		Nā memo
Mea hoʻouna
Swing ʻIkepili ʻIkepili ʻokoʻa			Vin,PP		200	-	1600		mVPP
Hoʻokomo ʻokoʻa impedance			ZIN		90	100	110		Ω
Tx_Fault	Hana maʻamau		VOL		0	-	0.8		V
	Ka hewa o ka mea lawe		VOH		2.0	-	VCC		V
Tx_Disable	Hana maʻamau		VIL		0	-	0.8		V
	Hoʻopau Laser		VIH		2.0	-	VCC+0.3		V
Mea loaa
Hoʻopuka lā ʻokoʻa				Vout	400	-	800	mV
Hoʻopuka ʻokoʻa impedance				ZD	90	100	110	Ω
Rx_LOS		Hana maʻamau		VOL	0	-	0.8	V
		Nalo ka hōʻailona		VoH	2.0	-	VCC	V

ʻO nā hiʻohiʻona Optical

Papakaukau4-Na hiʻohiʻona optical

ʻĀpana	hōʻailona	Unite	Min	ʻAno	Max	Nā memo
ʻO nā hiʻohiʻona o ka transmitter Optical
Pākuʻi Bit	BR	Gbps	8.5	25.78125	-
Loʻihi Wave Loihi Waena	λc	nm	820	850	880
Ka mana hoʻolaha maʻamauTx_off	Poff	dBm	-	-	-45
E hoʻolana i ka mana Optical	P0	dBm	-6.0		2.4	1
Laki hoopau	ER	dB	2	-	-
Laulā Kiʻekiʻe (RMS)	RMS	nm	-	-	0.65
ʻO nā hiʻohiʻona o ka Optical Receiver
Pākuʻi Bit	BR	Gbps	8.5	25.78125
Uku Hapa Bit	BER		-	-	E-12
paepae pōʻino	DT	dBm	3.4	-	-

Hoʻokomo ʻana i ka OpticalKa mana	PIN	dBm	2.4	-	-	2
Loʻihi Wave Loihi Waena	λc	nm	820	-	880
Hoʻomaʻamaʻa hoʻokipa maMana Kaulike	Ua haʻi aku ʻo Sen	dBm	-	-	-5.2	3
Los Assert	LosA	dBm	-30	-	-
Los De-Assert	LosD	dBm	-	-	-13
Los Hysteresis	LosH	dB	0.5

Nānā:

Hoʻohui ʻia i 50/125 MMF.
Ana ʻia me PRBS 231-1 kumu ho'āʻo @25.78125Gbps.BER=E-12 3. BER=1×10-12; PRBS231-1@25.78125Gbps.

Kiʻi 1, Manaʻo ʻia ʻo Host Board Kaapuni Mana

Kiʻi 2, Kaapuni Interface Manaʻo

Kiʻi 3, Nānā Pin

Pin	hōʻailona	Ka inoa / wehewehe	Nā memo
1	VEET	ʻĀina hoʻouna Module	1
2	TX_FAULT	ʻO ka hewa o ka mea hoʻouna module	2
3	TX_DISABLE	Hoʻopau ka mea hoʻouna;Hoʻopau i ka hoʻopuka laser transmitter	3
4	SDA	2-Uea Serial Interface Line Data (MOD-DEF2)
5	SCL	2-Uea Uea Interface Clock (MOD-DEF1)
6	MOD_ABS	ʻAʻohe Module, pili iā VEET a i ʻole VEER ma ka module	2
7	RS0	E koho i ka helu 0, hoʻomalu i ka mea hoʻokipa modula SFP+	4
8	RX_LOS	Nalo ka hōʻailona hōʻailona i ka mea loaʻa (Ma FC i koho ʻia ʻo Rx_LOS a ma Ethernet i koho ʻia ʻaʻole ʻike ʻike hōʻailona)	2
9	RS1	E koho i ka helu 1, koho i ka SFP+ module transmitter	4
10	VEER	Papa Loaʻa Module	1
11	VEER	Papa Loaʻa Module	1
12	RD-	Hoʻopuka ʻIkepili Huli ʻia ka Mea Loaʻa
13	RD+	Mea Loaʻa ʻAʻole Hoʻololi Ike ʻIkepili
14	VEER	Papa Loaʻa Module	1
15	VCCR	Module Loaʻa 3.3 V lako
16	VCCT	Module Transmitter 3.3 V lako
17	VEET	ʻĀina hoʻouna Module	1
18	TD+	Mea hoʻokomo i ka ʻikepili i hoʻohuli ʻole ʻia
19	TD-	Mea hoʻokomo ʻikepili hoʻohuli ʻia
20	VEET	ʻĀina hoʻouna Module	1

Nānā:

Hoʻokaʻawale ʻia nā pin ground module mai ka module hihia.
ʻO ka nā pine pono be huki ʻia up me 4.7K-10Kohms to a uila uila ma waena 3.14V a me 3.46V on hoʻokipa papa.
Huki ʻia ka pine a hiki i VCCT me kahi pale 4.7K-10KΩ i ka module.
E nana SFF-8472 Rev12.2 Papa 10-2.