Description

Technical Parameters

Features

● Compliant to IEEE Std 802.3-2005 Gigabit
Ethernet 1000Base-LX
● Specifications according to SFF-8074i and
SFF-8472, revision 9.5
● Digital Diagnostic Monitoring available
● Uncooled 1310nm Fabry-Perot (FP)Laser
● Up to 1.25Gb/s bi-directional data links
● Duplex LC connector compliant
● Single +3.3V DC power supply
● Hot-pluggable SFP footprint
● Class 1 laser safety certified
● Operating temperature Options
-(Commercial) -10oC to +70oC
-(Extended) -10oC to +85oC
-(Industrial) -40oC to +85oC
● Up to 10km on 9/125µm SMF
● RoHS Compliant

Applications

● 1.25Gb/s Ethernet 1000Base-LX
● 1.0625Gb/s Fiber Channel
● Enterprise Router

Product Details

1.25G 1310nm 10km SFP optical module is a versatile and reliable solution for optical communication networks, offering high-speed data transmission over long distances with excellent signal quality and stability.They are compliant with IEEE Std 802.3-2005 Gigabit Ethernet 1000Base-LX and Fibre Channel FC- PI-2 Rev.8.0.

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Absolute Maximum Ratings

Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are absolute stress ratings only. Functional operation of the device is not implied at these or any other conditions in excess of those given in the operational sections of the data sheet. Exposure to absolute maximum ratings for extended periods can adversely affect device reliability.

Parameter	Symbol	Minimum	Maximum	Unit
Storage Temperature	T_S	-40	85	^oC
Relative Humidity	RH	5	95	%
Supply Voltage	V_CC	-0.5	4.0	V

Recommended Operating Conditions

Parameter		Symbol	Min	Typ	Max	Unit
Operating Case Temperature	DNET-03S10-31	T_C	-10	25	70	^oC
Operating Case Temperature	DNET-03S10-31I	T_C	-40	25	85	^oC
Supply Voltage		V_CC	3.135	3.3	3.465	V
Data Rate		-	-	1.25 1.0625	-	Gb/s

Transceiver Electrical Characteristics

Parameter	Symbol	Minimum	Typical	Maximum	Unit	Notes
Module Supply Current	Icc	-	-	220	mA	-
Transmitter Differential Input Voltage (TD +/-)	-	300	-	2200	mV_P-P	1
Receiver Differential Output Voltage (RD +/-)	-	600	-	1200	mV_P-P	2
Low speed output: Transmitter Fault(TX_FAULT) / Loss of Signal (LOS)	VOH	2.0	-	Vcc	V	3
	VOL	0	-	0.8	V	-
Low speed iutput: Transmitter Disable (TX_DISABLE), MOD_DEF 1, MOD_DEF 2	VIH	2.0	-	Vcc	V	4
	VIL	0	-	0.8	V	-

Notes
1. Internally AC coupled and terminated to 100Ω differential load.
2. Internally AC coupled, but requires a 100Ω differential termination or internal to Serializer/Deserializer.
3. Pulled up externally with a 4.7KΩ-10KΩ resistor on the host board to VCCT,R.
4. Mod_Def1 and Mod_Def2 must be pulled up externally with a 4.7KΩ-10KΩ resistor on the host board to V_CCT,R.

Transmitter Optical Characteristics

Parameter	Symbol	Minimum	Typical	Maximum	Unit	Notes
Launch Optical Power	Po	-9	-6	-3	dBm	-
Center Wavelength Range	λc	1270	1310	1355	nm	-
Extinction Ratio	EX	9	-	-	dB	-
Spectral Width(RMS)	Δλ	-	-	4	nm	-
Total Jitter	TJ	-	-	266	ps	-
Dispersion Penalty	-	-	-	1	dB	-
Optical Rise/Fall Time	T_rise/T_fall	-	-	260	ps	-
Pout @TX-Disable Asserted	P_off	-	-	-45	dBm	-

Ordering Information

Part Number	Description
SFP-1G-10KM	1.25Gb/s Single-Mode SFP Transceiver 1000BASE-LX

Products Description

1. What band is 1310nm?
A: It belongs to the "o-band", Using the fiber wavelength range at 1260–1360nm, 1310nm diode lasers.

2. How far can 1G LX SFP go?
A: 1.25Gb/s Single-Mode SFP Transceiver 1000BASE-LX,it is a standard 1310nm LX SFP optical module and transmission distance can reach up to 10km.It operates at a data rate of 1.25Gbps.

3. What does LX mean on SFP?
A: LX represents long distance transmission, working at 1270-1355nm (usually 1310nm),it compliant with IEEE Std 802.3-2005 Gigabit Ethernet 1000Base-LX and Fibre Channel FC- PI-2 Rev.8.0.