Hauj lwm lawm

Kev tsis

Cov khoomNta

● Txhawb 4x25GBASE-SR daim ntawv thov

● Ua raws li QSFP28 MSA SFF-8636, SFP28 MSA SFF-8431, thiab SF-8472 specifications

● Muaj peev xwm ntau tus nqi txog li 25.78125Gbps ib txoj kab

● Ua haujlwm nrog +3.3V ib qho hluav taws xob

● Nta siv hluav taws xob tsawg

● UL-certified cables muaj raws li kev xaiv

● Kev lag luam kev khiav hauj lwm qhov kub thiab txias: 0 degree rau +70 degree

● Ua raws li RoHS cov qauv

Daim ntawv thov

● Txhawb 100GBASE-SR4 nrog cov ntaub ntawv tus nqi ntawm 25.78125Gbps ib txoj kab

● Tau tshaj InfiniBand QDR thiab EDR thev naus laus zis

● Txhawb lwm qhov kev sib txuas kho qhov muag

Daim duab kos duab

QSFP28	L	L1	L2	L3	L4	W	W1	W2	H	H1	H2	H3	H4	H5	H6
Max	72.2	-	128	4.35	61.4	18.45	-	6.2	8.6	12.4	5.35	2.5	1.6	2.0	-
Hom	72.0	-	-	4.20	61.2	18.35	-	-	8.5	12.2	5.2	2.3	1.5	1.8	6.55
Min	68.8	16.5	124	4.05	61.0	18.25	2.2	5.8	8.4	12.0	5.05	2.1	1.3	1.6	-

SFP28	L	L1	L2	L3	W	W1	W2	H	H1	A
Max	57.6	47.7	44.55	119.9	13.8	14.0	12.3	8.7	10.3	45.25
Hom	57.4	47.5	44.35	117.9	13.55	13.8	12.1	8.5	10.1	45
Min	57.2	47.3	44.15	115.9	13.3	13.6	11.9	8.4	9.9	44.65

Cable Ntev

Parameter	Tus nqi	Chav tsev
Txoj kab uas hla	3	mm
Yam tsawg kawg khoov vojvoog	30	mm
Ntev ntev	Length < 1 m: +5 / -0	cm
	1 m Tsawg dua los yog sib npaug ntawm qhov ntev Less than or equal to 4.5 m: +15 / -0	cm
	5 m Tsawg dua los yog sib npaug ntawm qhov ntev Less than or equal to 14.5 m: +30 / -0	cm
	Ntev Ntau dua lossis sib npaug rau 15.0 m +2% / -0	m
Cable xim	Txiv kab ntxwv (OM2), Aqua (OM3), Megenta (OM4)

Breakout Cable Nominal Length

Tag Nrho Ntev X (Unit: m)	Breakout Point ntsuas los ntawm QSFP LQ (Unit: m)	Breakout Point ntsuas los ntawm SFP LS (Ntu: m)
1	0.3	0.7
2	0.6	1.4
3	1	2
5	2	3
7	4	3
10	7	3
15	12	3
20	17	3
25	22	3
30	27	3
40	37	3
50	47	3

Pin kev npaj

Daim duab 2 Pin Saib rau QSFP28

Pin Function Definitions rau QSFP28

Pin	Cim	Lub npe / piav qhia	Sau ntawv
1	GND	Hauv av	1
2	Tx 2 n	Transmitter Inverted Data Input
3	tx2 p	Transmitter Tsis-Inverted Data Input
4	GND	Hauv av	1
5	Tx 4 n	Transmitter Inverted Data Input
6	tx4 p	Transmitter Tsis-Inverted Data Input
7	GND	Hauv av	1
8	ModSelL	Module Xaiv
9	ResetL	Module Pib dua
10	Vcc Rx	+3.3V Fais Fab Txais Txais
11	SCL	2-wire serial interface moos
12	SDA	2-wire serial interface cov ntaub ntawv
13	GND	Hauv av	1
14	rx3 pab	Receiver Non-Inverted Data Output
15	Rx 3 n	Receiver Inverted Data Output
16	GND	Hauv av	1
17	Rx 1 p	Receiver Non-Inverted Data Output
18	Rx 1 n	Receiver Inverted Data Output
19	GND	Hauv av	1
20	GND	Hauv av	1
21	Rx 2 n	Receiver Inverted Data Output
22	rx2 pab	Receiver Non-Inverted Data Output
23	GND	Hauv av	1
24	Rx 4 n	Receiver Inverted Data Output
25	rx4 pab	Receiver Non-Inverted Data Output
26	GND	Hauv av	1
27	ModPrsL	Module Present
28	IntL	cuam tshuam
29	Vcc Tx	+3.3V Fais fab mov transmitter
30	Vcc 1	+3.3V Fais fab mov
31	LPMode	Tsawg zog hom
32	GND	Hauv av	1
33	tx3 p	Transmitter Tsis-Inverted Data Input
34	txh 3 n	Transmitter Inverted Data Input
35	GND	Hauv av	1
36	tx1 p	Transmitter Tsis-Inverted Data Input
37	Tx 1 n	Transmitter Inverted Data Input
38	GND	Hauv av	1

Lus Cim: 1. Circuit Court hauv av yog nyob rau hauv cais tawm ntawm chassis hauv av.

Daim duab 3 Pin Saib rau SFP28

Pin Function Definitions

Pin	Cim	Lub npe / piav qhia	Sau ntawv
1	VEET	Module Transmitter Av	1
2	TX_FAULT	Module Transmitter Fault	2
3	TX_DISABLE	Transmitter Disable; Tua tawm transmitter laser tso zis	3
4	SDA	2-Wire Serial Interface Data Kab (MOD-DEF2)
5	SCL	2-Wire Serial Interface Clock (MOD-DEF1)
6	MOD_ABS	Module Absent, txuas nrog V_EET lub V_EER nyob rau hauv lub module	2
7	RS 0	Rate Xaiv 0, xaiv tau tswj SFP + module txais
8	RX_LOS	Txais Cov Lus Qhia Tsis Muaj Teeb Meem (Hauv FC raug xaiv raws li Rx_LOS thiab hauv Ethernet xaiv los tsis pom teeb liab)	2
9	RS 1	Rate Xaiv 1, xaiv tau tswj SFP + module transmitter
10	V_EER	Module txais av	1
11	V_EER	Module txais av	1
12	RD-	Receiver Inverted Data Output
13	RD+	Receiver Non-Inverted Data Output
14	V_EER	Module txais av	1
15	V_CCR	Module Receiver 3.3 V Supply
16	V_CCT	Module Transmitter 3.3 V Supply
17	V_EET	Module Transmitter Av	1
18	TSI +	Transmitter Tsis-Inverted Data Input
19	TD-	Transmitter Inverted Data Input
20	V_EET	Module Transmitter Av	1

Nco tseg:

1. Cov pins hauv av ntawm lub module yog hluav taws xob cais tawm ntawm lub module lub casing.

2. Cov pins yuav tsum tau rub los siv cov resistor nyob rau hauv thaj tsam ntawm 4.7KΩ txog 10KΩ mus rau qhov voltage uas poob ntawm 3.14V thiab 3.46V ntawm lub rooj tsavxwm.

3. Nyob rau hauv lub module, tus pin yog rub mus rau VCCT los ntawm ib tug resistor xws li 4.7KΩ mus rau 10KΩ.

Pom zoo ua hauj lwm tej yam kev mob

Parameter	Cim	Min.	Hom	Max.	Chav tsev	Sau ntawv
Kev khiav hauj lwm Case Temperature	T_C	0	-	+70	degree
Fais fab mov Voltage	Vcc	3.14	3.3	3.47	V
Fais fab Dissipation rau QSFP28	Pd	-	-	2.5	W
Fais fab Dissipation rau SFP28	Pd	-	-	1.0	W	1
Tus nqi qis Tus nqi ib txoj kab	BR	10.3125	25.78125	-	Gbps	Ib txoj kab

Nco tseg: 1 Ib lub davhlau ya nyob twg

Qhov siab tshaj qhov ntsuas

Parameter	Cim	Min.	Hom	Max.	Chav tsev	Sau ntawv
Cov khoom siv hluav taws xob	Vcc₃	-0.5	-	+3.6	V
Cia Kub	T_s	-5	-	+75	degree
Kev khiav dej num	RH	+5	-	+85	%	1

Lus Cim: 1 Tsis muaj condensation

Cov yam ntxwv hluav taws xob

Cov yam ntxwv hluav taws xob rau QSFP28:

Parameter		Cim	Min.	Ntaus.	Max.	Chav tsev	Sau ntawv
Transmitter
Differential Data Input viav vias		Vout	200	-	1000	mV
Input Differential Impedance		Z_D	90	100	110	Ω
ModSelL	Module Xaiv	VOL	V_EE-0.3	-	0.4	V
ModSelL	Module Unselect	VOH	2.0	-	V_CC+0.3	V
LPMode	Tsawg zog hom	VIL	V_EE-0.3	-	0.8	V
LPMode	Kev ua haujlwm li qub	VIH	2.0	-	V_CC+0.3	V
ResetL	Rov pib dua	VIL	V_EE-0.3	-	0.8	V
ResetL	Kev ua haujlwm li qub	VIH	2.0	-	V_CC+0.3	V
Tus txais
Differential Data Output Swing		Vin, PE	200	-	1000	mV_PP
Cov zis sib txawv impedance		Z_D	90	100	110	Ω
ModPrsL	Kev ua haujlwm li qub	VOL	V_EE-0.3	-	0.4	V
IntL	cuam tshuam	VOL	V_EE-0.3	-	0.4	V
IntL	Kev ua haujlwm li qub	VoH	2.0	-	V_CC+0.3	V
Me ntsis yuam kev Rate		BER			E-12		1

Cov yam ntxwv hluav taws xob rau SFP28:

Parameter		Cim		Min.	Ntaus.	Max.	Chav tsev		Sau ntawv
Hluav taws xob Transmitter yam ntxwv
Differential Data Input viav vias		Vin, PE		200	-	1000		mV_PP
Input Differential Impedance		ZIN		90	100	110		Ω
Tx_Fault	Kev ua haujlwm li qub	VOL		V_EE-0.3	-	0.4		V
	Transmitter txhaum	VOH		2.0	-	V_CC+0.3		V
Tx_Disable	Kev ua haujlwm li qub	VIL		V_EE-0.3	-	0.8		V
	Laser Disable	VIH		2.0	-	V_CC+0.3		V
Hluav taws xob txais yam ntxwv
Differential hnub tso zis			Vout	200	-	1000	mV
Cov zis sib txawv impedance			Z_D	90	100	110	Ω
Rx_LOS	Kev ua haujlwm li qub		VOL	V_EE-0.3	-	0.4	V
	Poob Signal		VoH	2.0	-	V_CC+0.3	V
Me ntsis yuam kev Rate			BER	-	-	E-12	-

FAQ

1. Lub luag haujlwm ntawm 100G QSFP28 rau 4x25G SFP28 Breakout AOC Active Optical Cable yog dab tsi?

A: Lub 100G QSFP28 rau 4x25G SFP28 Breakout AOC Active Optical Cable yog tsim los hloov hluav taws xob teeb liab rau cov teeb liab kho qhov muag thiab rov ua dua thaum sib txuas lus. Nws nta QSFP28 connector ntawm ib kawg thiab plaub SFP28 connectors ntawm lwm yam, muab plaub txoj kev ywj pheej cov ntaub ntawv kis tau tus mob, txhua tus muaj peev xwm ua hauj lwm txog li 25.78125 Gbps.

2. Qhov siab tshaj plaws kis tau tus mob ntawm no cable yog dab tsi?

A: Qhov siab tshaj plaws kis tau tus mob ntawm 100G QSFP28 rau 4x25G SFP28 Breakout AOC Active Optical Cable tuaj yeem ncav cuag 100 meters ntawm OM4 MMF.

Cim npe nrov: 100g qsfp28 rau 4x25g sfp28 breakout aoc nquag kho qhov muag cable, Tuam Tshoj 100g qsfp28 rau 4x25g sfp28 breakout aoc nquag optical cable manufacturers, lwm tus neeg, Hoobkas