Description

Technical Parameters

Features

● Supports 100GBASE-SR4/EDR applications

● Compliant with QSFP28 Electrical MSA SFF-8636 specifications

● Capable of multi-rate data transfer up to 25.78125Gbps

● Operates with a single +3.3V power supply

● Features low power consumption

● UL-certified cables available as an option

● Operating case temperature range for commercial use: 0°C to +70°C

● Compliant with RoHS 6/6 standards

Applications

● Supports 100GBASE-SR4 with a data rate of 25.78125Gbps per lane

● Compatible with InfiniBand QDR and EDR

● Supports other optical link technologies

Outline drawing

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	-
Type	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	-

Electrical Performance

Absolute maximum ratings：

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

Recommended operating conditions：

Parameter	Symbol	Min.	Typical	Max.	Unit	Notes
Operating Case Temperature	T_C	0	-	+70	°C
Power Supply Voltage	Vcc	3.14	3.3	3.47	V
Power Dissipation	Pd	-	-	2.5	W	1
Bit Rate	BR	10.3125	25.78125	-	Gbps

Electrical characteristics：

Parameter		Symbol	Min.	Typ.	Max.	Units	Notes
ModSelL	Module Select	VOL	0	-	0.8	V
	Module Unselect	VOH	2.5	-	VCC	V

LPMode	Low Power Mode	VIL	0	-	0.8	V
	Normal Operation	VIH	2.5	-	V_CC+0.3	V
ResetL	Reset	VIL	0	-	0.8	V
	Normal Operation	VIH	2.5	-	V_CC+0.3	V
ModPrsL	Normal Operation	VOL	0	-	0.4	V
IntL	Interrupt	VOL	0	-	0.4	V
	Normal Operation	VoH	2.4	-	VCC	V
Electrical transmitter Characteristics
Differential Date Input Swing		Vout	200	-	1600	mV
Output Differential Impedance		Z_D	90	100	110	Ω
Electrical Receiver Characteristics
Differential Data Output Swing		Vin,P-P	200	-	800	mV_PP
Bit Error Rate		BER			E-12		1
Input Differential Impedance		ZIN	90	100	110	Ω

Remake：1 prbs2^31-1@25.78125Gbps

Products Description

Connector Pin out：

Pin description

Pin	Symbol	Name/Description	Notes
1	GND	Ground	1
2	Tx2n	Transmitter Inverted Data Input
3	Tx2p	Transmitter Non-Inverted Data Input
4	GND	Ground	1
5	Tx4n	Transmitter Inverted Data Input
6	Tx4p	Transmitter Non-Inverted Data Input
7	GND	Ground	1
8	ModSelL	Module Select
9	ResetL	Module Reset
10	Vcc Rx	+3.3V Power Supply Receiver
11	SCL	2-wire serial interface clock
12	SDA	2-wire serial interface data
13	GND	Ground	1
14	Rx3p	Receiver Non-Inverted Data Output
15	Rx3n	Receiver Inverted Data Output
16	GND	Ground	1
17	Rx1p	Receiver Non-Inverted Data Output
18	Rx1n	Receiver Inverted Data Output
19	GND	Ground	1
20	GND	Ground	1
21	Rx2n	Receiver Inverted Data Output
22	Rx2p	Receiver Non-Inverted Data Output
23	GND	Ground	1
24	Rx4n	Receiver Inverted Data Output
25	Rx4p	Receiver Non-Inverted Data Output
26	GND	Ground	1

27	ModPrsL	Module Present
28	IntL	Interrupt
29	Vcc Tx	+3.3V Power supply transmitter
30	Vcc1	+3.3V Power supply
31	LPMode	Low Power Mode
32	GND	Ground	1
33	Tx3p	Transmitter Non-Inverted Data Input
34	Tx3n	Transmitter Inverted Data Input
35	GND	Ground	1
36	Tx1p	Transmitter Non-Inverted Data Input
37	Tx1n	Transmitter Inverted Data Input
38	GND	Ground	1

Remake：1 Circuit ground and chassis ground are internally separated

FAQ

1. What is a 100G QSFP28 AOC Active Optical Cable?

A: A 100G QSFP28 AOC Active Optical Cable is a high-performance data transmission cable that utilizes fiber optics as the transmission medium and incorporates active electronic components such as lasers and photodiodes. It supports data rates of up to 100Gbps and is designed for short-range multi-channel data communication and interconnection applications.

2. Can a 100G QSFP28 AOC Active Optical Cable be used in outdoor environments?

A: While 100G QSFP28 AOC Active Optical Cables are designed for indoor use, they can be used in outdoor environments with additional protection, such as enclosures or conduit systems. However, it's important to note that outdoor environments may present additional challenges, such as temperature extremes and exposure to moisture and dirt, which can affect the performance and reliability of the cable.

3. What is the signal wavelength used in 100G QSFP28 AOC Active Optical Cables?

A: The signal wavelength used in 100G QSFP28 AOC Active Optical Cables is typically 850nm, which is suitable for short-range multi-mode fiber (MMF) transmission.

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