Products

10G CWDM 40KM SFP+

LX431xCDR SFP+ transceivers, according to Enhanced 8.5 and 10 Gigabit Small Form Factor Pluggable “SFP+” Multi-Sourcing Agreement (MSA) SFF-8431 and SFF-8472, revision 10.4, are designed for CWDM 10G ethernet data communications up to 40km over single-mode fiber. They are compliant with IEEE Std 802.3-2005 10Gb Ethernet 10GBase-ER/EW.

Product Description
Features
Optical Characteristics
Application
Related Products

Product Description

LX431xCDR SFP+ transceivers, according to Enhanced 8.5 and 10 Gigabit Small Form Factor Pluggable “SFP+” Multi-Sourcing Agreement (MSA) SFF-8431 and SFF-8472, revision 10.4, are designed for CWDM 10G ethernet data communications up to 40km over single mode fiber. They are compliant with IEEE Std 802.3-2005 10Gb Ethernet 10GBase-ER/EW.

Features

● Compliant with IEEE Std 802.3-200510G Ethernet 10GBase-ER/EW

● Electrical interface specifications per SFF-8431

● Management interface specifications per SFF-8431 and SFF-8472

● SFP+ MSA package with duplex LC connector

● Cooled EML Laser

● Up to 10.3Gb/s bi-directional data links

● Single +3.3V power supply

● Class 1 laser safety certified

● Commercial operating temperature: 0℃ to +70℃

Optical Characteristics

Transmitter Optical Characteristics

Parameter	Symbol	Minimum	Typical	Maximum	Unit	Notes
Launch Optical Power	Po	-4.7	-	4	dBm	1
Center Wavelength Range	λc	1464.5	-	1617.5	nm	-
Center Wavelength Tolerance	Δλc	-6.5		6.5	nm
Extinction Ratio	EX	5	-	-	dB	2
Optical Modulation Amplitude	OMA	-2.1	-	-	dBm
Side Mode Suppression Ratio	SMSR	30	-	-	dB	-
Transmitter and Dispersion Penalty	TDP	-	-	3	dB	-
Relative Intensity Noise	RIN			-128	dB/Hz
Optical Return Loss Tolerance	ORLT	-	-	21	dB	-
Pout @TX-Disable Asserted	Poff	-	-	-30	dBm	1
Eye Diagram	IEEE Std 802.3-2005 10Gb Ethernet 10GBASE-ER compatible

Note:

1.The optical power is launchedinto 9/125µm SMF.

2.Measured with a PRBS 231-1test pattern @10.3125Gbps.

Receiver Optical Characteristics

Parameter	Symbol	Minimum	Typical	Maximum	Unit	Notes
Center Wavelength	λc	1464.5	-	1617.5	nm	-
Receiver Sensitivity (Pavg)	S	-	-	-15.8	dBm	1
Receiver Sensitivity (OMA)	SOMA	-	-	-14.1	dBm	1
Receiver Overload (Pavg)	POL	-1	-	-	dBm	1
Stressed Sensitivity (OMA)	-	-	-	-11.3	dBm	2
Optical Return Loss	ORL	26	-	-	dB	-
LOS De-Assert	LOSD	-	-	-17	dBm	-
LOS Assert	LOSA	-30	-	-	dBm	-
LOS Hysteresis	-	0.5	-	-	dB	-

Note:

1. Measured with PRBS 231-1test pattern, 10.3125Gb/s, BER<10-12.

2. Comply with IEEE 802.3-2005.

Ordering Information

Part Number	Transmitter	Output Power	Receiver	Sensitivity	Reach	Temp	DDM	RoHS
LX4311CDR	1471nm EML	-4.7 ~ +4dBm	PIN	< -15.8dBm	40km	0 ~ 70℃	Available	Compliant
LX4312CDR	1491nm EML	-4.7 ~ +4dBm	PIN	< -15.8dBm	40km	0 ~ 70℃	Available	Compliant
LX4313CDR	1511nm EML	-4.7 ~ +4dBm	PIN	< -15.8dBm	40km	0 ~ 70℃	Available	Compliant
LX4314CDR	1531nm EML	-4.7 ~ +4dBm	PIN	< -15.8dBm	40km	0 ~ 70℃	Available	Compliant
LX4315CDR	1551nm EML	-4.7 ~ +4dBm	PIN	< -15.8dBm	40km	0 ~ 70℃	Available	Compliant
LX4316CDR	1571nm EML	-4.7 ~ +4dBm	PIN	< -15.8dBm	40km	0 ~ 70℃	Available	Compliant
LX4317CDR	1591nm EML	-4.7 ~ +4dBm	PIN	< -15.8dBm	40km	0 ~ 70℃	Available	Compliant
LX4318CDR	1611nm EML	-4.7 ~ +4dBm	PIN	< -15.8dBm	40km	0 ~ 70℃	Available	Compliant