1/ 10Gb/s SFP+ LR 20 KM Optical Transceiver Module

Supported Rates: 1.25 Gb/s or 9.83 Gb/s to 11.3 Gb/s

Compliant with IEEE 802.3ae 10 GBASE-LR/LW and 1000BASE-LX standards Compliant with SFF-8431 standard

Hot-swappable design

1310 nm DFB laser transmitter

Dual LC interfaces

Digital Diagnostic Functionality

Up to 20 km transmission distance over single-mode fiber Single 3.3V power supply

RoHS compliant

Operating Temperature Range (Case Temperature): Commercial Temperature Grade: 0°C to 70°C

Applications

10GBASE-LR/LW 10G Ethernet

1000BASE-LX 1G Ethernet

Ordering Information

Model	Description
LRXP8510-X3ATL(10/1G)(T1)	1000BASE-LX and 10 GBASE-LR SFP+ 1310 nm LC interface Single-mode fiber transmission distance: 20 km Commercial temperature range

Product Specifications

Note:

1. IEEE 802.3ae

2. Enclosure surface temperature

3. Ambient temperature

4. Electrical interface

Transmission distance

Optical Characteristics—Transmitter

VCC =3.14V to 3.46V ，TC

Parameter	Symbol	Min	Typ.	Max	Unit	Note
Transmit optical power @ 1.25Gb/s	PTX1	-9 . 5		-3	dBm	1
Transmit optical power @ 10.3Gb/s	PTX2	-8 . 2		0.5	dBm	1
Optical center wavelength	λC	1260		1355	nm
Optical modulation amplitude	OMA	-5 . 2			dBm	2
Extinction ratio @ 1.25Gb/s	ER1	9			dB
Extinction ratio @ 10.3 Gb/s	ER2	3.5			dB
Spectral width (-20 dB)	Δλ			1	nm
Side-mode suppression ratio	SMSR	30			dB
Relative intensity noise	RIN			- 128	dB/Hz
Transmitter dispersion cost	TDP			3.2	dB
Output optical power when transmitter is off	POUT_OFF			-30	dBm	1
Jitter						2

Note:

1. Average optical power

2. Compliant with IEEE 802.3ae standard

Optical Characteristics—Receiver

VCC = 3.14V to 3.46V, TC

Note:

1. Average optical power measured using the minimum ER value within the defined range; BER < 10⁻¹²; 27 -1 PRBS

2. Average optical power measured using the minimum ER value within the defined range; BER < 10⁻¹²; 231 -1 PRBS

Electrical Characteristics—Transmitter

VCC =3.14V to 3.46V ，TC

Parameter	Symbol	Min	Typ.	Max	Unit	Note
Differential Input Impedance	RIN		100		Ω
Differential Input Swing	VIN PP	180		700	mV
Transmitter Shutdown Voltage	VD	2		VCC	V
Transmitter Enable Voltage	VEN	VEE		VEE+ 0.8	V

Electrical Characteristics—Receiver

VCC = 3.14V to 3.46V, TC

DDM Threshold Information

Pin Definitions

PIN #	Symbol	Instruction	Note
1	VEET	Transmit Ground (shared with Receive Ground)	1
2	TX_ FAULT	Transmit Fault Alarm
3	TX_DISABLE	This signal disables the module's transmitter when high or open-circuited	2
4	SDA	Two-Wire Serial Interface Data Line	3
5	SCL	Two-Wire Serial Interface Clock Line	3
6	MOD ABS	Module Insertion Indicator Pin, internally grounded within the module	3
7	RS0	Module Rate Selection: Open circuit or low level = 1.25 Gb/s rate (low bandwidth) High level = 9.95 - 10.31 Gb/s rate (high bandwidth)
8	LOS	Signal Loss Indicator, Low Level Indicates Module Normal Operation	4
9	RS1	Not Connected
10	VEER	Receiver Ground (Shared with Transmitter Ground)	1
11	VEER	Receiver Ground (Shared with Transmitter Ground)	1
12	RD–	Receiver Data Output Negative, AC-Coupled
13	RD+	Receiver Data Output Positive, AC-Coupled
14	VEER	Receiver Ground (Shared with transmitter ground)	1
15	VCCR	Receiver power supply
16	VCCT	Transmitter power supply
17	VEET	Transmitter ground (Shared with receiver ground)	1
18	TD +	Transmitter data input positive, AC-coupled
19	TD–	Transmitter data input negative, AC-coupled
20	VEET	Transmitter ground (Shared with receiver ground)	1