2019 China New Design Qsfp-100g-Aoc3m - 25G SFP28 Active optical cable JHA-SFP28-25G-AOC – JHA

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2019 China New Design Qsfp-100g-Aoc3m - 25G SFP28 Active optical cable JHA-SFP28-25G-AOC – JHA Detail:

Features

◊ Electrical interface compliant to SFF-8431

◊ 850nm VCSEL laser and PIN photo-detector

◊ Maximum link length of 70m on OM3 MMF and 100m on OM4 MMF

◊ Digital diagnostics functions are available via the I2C interface

◊ Operating case temperature Commercial: 0°C to +70 °C

◊ +3.3V single power supply

◊ Power consumption less than 1W

◊ RoHS compliant

◊ Password protection for A0h and A2h

Applications

◊ 25GBASE-SR Ethernet

◊ Servers, switches, storage and host card adapters

Specification

Absolute Maximum Ratings

Table1- Absolute Maximum Ratings

Parameter	Symbol	Min.	Typical	Max.	Unit	Notes
Supply Voltage	Vcc3	-0.5	-	+3.6	V
Storage Temperature	Ts	-10	-	+70	°C
Operating Humidity	RH	+5	-	+85	%	1

Note: 1 No condensation

Recommended Operating Conditions

Parameter	Symbol	Min.	Typical	Max.	Unit	Notes
Operating Case Temperature	TC	0	-	+70	°C
Power Supply Voltage	Vcc	3.14	3.3	3.47	V
Power Supply Current	Icc	-	-	300	mA
Power Dissipation	Pd	-	-	1.0	W
Bit Rate	BR	8.5	25.78125	-	Gbps
Fiber Bend Radius	Rb	3	-	-	cm

Table 2- Recommended operating Conditions

Electrical Characteristics

Table 3- Electrical Characteristics

Parameter			Symbol		Min.	Typ.	Max.	Units		Notes
Transmitter
Differential Data Input Swing			Vin,P-P		200	-	1600		mVPP
Input Differential Impedance			ZIN		90	100	110		Ω
Tx_Fault	Normal Operation		VOL		0	-	0.8		V
	Transmitter Fault		VOH		2.0	-	VCC		V
Tx_Disable	Normal Operation		VIL		0	-	0.8		V
	Laser Disable		VIH		2.0	-	VCC+0.3		V
Receiver
Differential Date Output				Vout	400	-	800	mV
Output Differential Impedance				ZD	90	100	110	Ω
Rx_LOS		Normal Operation		VOL	0	-	0.8	V
		Lose Signal		VoH	2.0	-	VCC	V

Optical Characteristics

Table 4-Optical Characteristics

Parameter	Symbol	Unit	Min	Typ	Max	Notes
Optical transmitter Characteristics
Bit Rate	BR	Gbps	8.5	25.78125	-
Center Wavelength Range	λc	nm	820	850	880
Average Launch powerTx_off	Poff	dBm	-	-	-45
Launch Optical Power	P0	dBm	-6.0		2.4	1
Extinction Ratio	ER	dB	2	-	-
Spectral Width(RMS)	RMS	nm	-	-	0.65
Optical Receiver Characteristics
Bit Rate	BR	Gbps	8.5	25.78125
Bit Error Rate	BER		-	-	E-12
Damage threshold	DT	dBm	3.4	-	-

Overload Input OpticalPower	PIN	dBm	2.4	-	-	2
Center Wavelength Range	λc	nm	820	-	880
Receiver Sensitivity inAverage Power	Sen	dBm	-	-	-5.2	3
Los Assert	LosA	dBm	-30	-	-
Los De-Assert	LosD	dBm	-	-	-13
Los Hysteresis	LosH	dB	0.5

Note:

Coupled into 50/125 MMF.
Measured with PRBS 231-1 test pattern @25.78125Gbps.BER=E-12 3. BER=1×10-12; PRBS231-1@25.78125Gbps.

Recommended Host Board Power Supply Circuit

Figure 1, Recommended Host Board Power Supply Circuit

Recommended Interface Circuit

Figure 2, Recommended Interface Circuit

Pin arrangement

Figure 3, Pin View

Table 5-Pin Function

Definitions

Pin	Symbol	Name/Description	Notes
1	VEET	Module Transmitter Ground	1
2	TX_FAULT	Module Transmitter Fault	2
3	TX_DISABLE	Transmitter Disable; Turns off transmitter laser output	3
4	SDA	2-Wire Serial Interface Data Line (MOD-DEF2)
5	SCL	2-Wire Serial Interface Clock (MOD-DEF1)
6	MOD_ABS	Module Absent, connected to VEET or VEER in the module	2
7	RS0	Rate Select 0, optionally controls SFP+ module receiver	4
8	RX_LOS	Receiver Loss of Signal Indication (In FC designated as Rx_LOS and in Ethernet designated as NOT Signal Detect)	2
9	RS1	Rate Select 1, optionally controls 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	VCCR	Module Receiver 3.3 V Supply
16	VCCT	Module Transmitter 3.3 V Supply
17	VEET	Module Transmitter Ground	1
18	TD+	Transmitter Non-Inverted Data Input
19	TD-	Transmitter Inverted Data Input
20	VEET	Module Transmitter Ground	1

Note:

The module ground pins are isolated from the module case.
The pins shall be pulled up with 4.7K-10Kohms to a voltage between 3.14V and 3.46V on host board.
The pin is pulled up to VCCT with a 4.7K-10KΩ resistor in the module.
See SFF-8472 Rev12.2 Table 10-2.

Monitoring Specification

Figure 4, Memory Map

Mechanical Design Diagram

Table 5- Cable

Length

Cable Length L（Unit: m）	Tolerant（Unit: cm）
≤1.0	+5/-0
1.0＜L≤4.5	+15/-0
4.5＜L≤14.5	+30/-0
＞14.5	+2%/-0

Warnings

Handling Precautions: This device is susceptible to damage as a result of electrostatic discharge (ESD).

A static free environment is highly recommended. Follow guidelines according to proper ESD procedures.

Laser Safety: Radiation emitted by laser devices can be dangerous to human eyes. Avoid eye exposure to direct or indirect radiation.

Product detail pictures:

Related Product Guide:

Our corporation puts emphasis about the administration, the introduction of talented staff, plus the construction of team building, attempting hard to improve the quality and liability consciousness of team members. Our organization successfully attained IS9001 Certification and European CE Certification of 2019 China New Design Qsfp-100g-Aoc3m - 25G SFP28 Active optical cable JHA-SFP28-25G-AOC – JHA , The product will supply to all over the world, such as: Accra, New Zealand, moldova, All the imported machines effectively control and guarantee the machining precision for the products. Besides, we have a group of high-quality management personnels and professionals, who make the high-quality products and have the ability to develop new products to expand our market home and abroad. We sincerely expect customers come for a blooming business for both of us.

This company has the idea of better quality, lower processing costs, prices are more reasonable, so they have competitive product quality and price, that's the main reason we chose to cooperate.

By Brook from Rwanda - 2017.12.09 14:01

The company can keep up with the changes in this industry market, product updates fast and the price is cheap, this is our second cooperation, it's good.

By Eric from Roman - 2017.04.08 14:55

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