Description

Technical Parameters

Applications

● Rack to rack
● ata centers Switches and Routers
● Metro networks
● Switches and Routers
● 40G BASE-ZR4

Product Details

The 40G ZR4 80KM employs wave division multiplexing (WDM) optical transmission technology to convert four 10G data input channels into four WDM optical signal channels, which are then combined into a single optical fiber to achieve a total optical transmission rate of 40Gb/s.

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Absolute Maximum Ratings

Parameter	Symbol	Min.	Typical	Max.	Unit
Storage Temperature	TS	-40		+85	°C
Supply Voltage	VCCT, R	-0.5		4	V
Relative Humidity	RH	0		85	%

Recommended Operating Environment

Parameter	Symbol	Min.	Typical	Max.	Unit
Case operating Temperature	TC	0		+70	°C
Supply Voltage	VCCT, R	+3.13	3.3	+3.47	V
Supply Current	ICC			1000	mA
Power Dissipation	PD			3.5	W

Electrical Characteristics

(TOP = 0 to 70 °C, VCC = 3.13 to 3.47 Volts)

Parameter	Symbol	Min	Typ		Max		Unit	Note
Data Rate per Channel		-	10.3125		11.2		Gbps
Power Consumption		-	2.5		5		W
Supply Current	Icc		0.75		1.3		A
Control I/O Voltage-High	VIH	2.0			Vcc		V
Control I/O Voltage-Low	VIL	0			0.7		V
Inter-Channel Skew	TSK				150		Ps
RESETL Duration			10				Us
RESETL De-assert time					100		ms
Power On Time					100		ms
Transmitter
Single Ended Output Voltage Tolerance		0.3		4		V		1
Common mode Voltage Tolerance		15				mV
Transmit Input Diff Voltage	VI	150		1200		mV
Transmit Input Diff Impedance	ZIN	85	100	115
Data Dependent Input Jitter	DDJ		0.3			UI
Receiver
Single Ended Output Voltage Tolerance		0.3		4		V
Rx Output Diff Voltage	Vo	370	600	950		mV
Rx Output Rise and Fall Voltage	Tr/Tf			35		ps		1
Total Jitter	TJ		0.3			UI

Note: 20～80%

Optical Parameters

(TOP = 0 to 70 °C, VCC = 3.0 to 3.6 Volts)

Parameter	Symbol	Min	Typ	Max		Unit		Ref.
Transmitter
Wavelength Assignment	L0	1294.53	1295.56		1296.59		nm
	L1	1299.02	1300.05		1301.09		nm
	L2	1303.54	1304.58		1305.63		nm
	L3	1308.09	1309.14		1310.19		nm
Side-mode Suppression Ratio	SMSR	30	-		-		dB
Total Average Launch Power	PT		-		10.5		dBm
Average Launch Power, each Lane		+4	-		7		dBm
Transmit OMA per Lane	TxOMA	0.3			5.0		dBm
Difference in Launch Power between any two Lanes (OMA)					4.7		dBm
Transmitter Dispersion Penalty each Lane	TDP				2.6		dB
Extinction Ratio	ER	5.5	6.5				dB
Transmitter Eye Mask Definition {X1, X2, X3, Y1, Y2, Y3}		{0.25, 0.4, 0.45, 0.25, 0.28, 0.4}
Optical Return Loss Tolerance		-	-		20		dB
Average Launch Power OFF Transmitter, each Lane	Poff				-30		dBm
Relative Intensity Noise	Rin				-128		dB/HZ	1
Optical Return Loss Tolerance		-	-		12		dB
Receiver
Damage Threshold	THd	0				dBm		1
Average Power at Receiver Input, each Lane	R	-24		-6		dBm
Receive Electrical 3 dB upper Cut off Frequency, each Lane				12.3		GHz
RSSI Accuracy		-2		2		dB
Receiver Reflectance	Rrx			-26		dB
Receive Power(OMA),each Lane		-	-	-4		dBm
Receive Electrical 3 dB upper Cut off Frequency, each Lane				12.3		GHz
LOS De-Assert	LOS_D			-25		dBm
LOS Assert	LOS_A	-35				dBm
LOS Hysteresis	LOS_H	0.5				dB

Note: 12dB Reflection

Ordering Information

Part Number	Description
QSFP-40G-ZR4	40G QSFP+ ZR4 80KM transceiver module with full real- time digital diagnostic monitoring and pull tab

FAQ

1. Which transceiver can support 40Gbps?

A: The QSFP+ 40G 80KM is probably the most widely used and popular 40G transceiver, enabling an 80KM optical transmission link.

2. Can single-mode fiber support 40G?

A: Single-mode optical fibers are suitable for long-distance transmission, often for spanning larger regions. The 40G optical module can use a single-mode fiber connector, such as the LC interface.

3. What is the difference between QSFP28 and QSFP+?

A: QSFP+ is designed to support data rates of up to 40 Gigabit per second (Gbps) per port. QSFP28 Support for data rates of up to 100Gbps per port, enabling faster transmission.