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Home > Products > Optical Transceivers > 1.25G 1550nm 120km SFP

1.25G 1550nm 120km SFP

Overview

LX102XC(E/I)DR SFP transceivers, according to Small Form Factor Pluggable Multi-Sourcing Agreement (MSA) SFF-8074i and SFF-8472, revision 9.5, are designed for data communication on single-mode fiber up to 120km. They are compliant with IEEE Std 802.3-2005 Gigabit Ethernet 1000Base-ZX and Fibre Channel FC- PI-2 Rev.8.0. LX102XC(E/I)DR SFP transceivers offer a wide range of design options, including Digital Diagnostic Monitoring (DDM) features and three temperature options (commercial, extended or industrial).

Datasheet

description1

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Overview

LX102XC(E/I)DR SFP transceivers offer a wide range of design options, including Digital Diagnostic Monitoring (DDM) features and three temperature options (commercial, extended or industrial).

Features

Reference to IEEE Std 802.3-2005 Gigabit Ethernet 1000Base-ZX

Specifications according to SFF-8074i and SFF-8472, revision 9.5

Digital Diagnostic Monitoring available

Uncooled 1550nm DFB 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) -10℃ to +70℃

     - (Extended) -10℃ to +85℃

     - (Industrial) -40℃ to +85℃

Up to 120km on 9/125µm SMF

Specification

Optical Characteristics

Table 1. Transmitter Optical Characteristics

120km SFP Parameter	Symbol	Minimum	Typical	Maximum	Unit	Notes
Launch Optical Power	Po	0	-	5	dBm	-
Center Wavelength Range	λc	1500	1550	1580	nm	-
Extinction Ratio	EX	9	-	-	dB	-
Spectral Width (-20dB)	Δλ	-	-	1	nm	-
Side Mode Suppression Ratio	SMSR	30	-	-	dB	-
Total Jitter	TJ	-	-	266	ps	-
Dispersion Penalty	-	-	-	1	dB	-
Optical Rise/Fall Time	Trise/Tfall	-	-	260	ps	-
Pout @TX-Disable Asserted	Poff	-	-	-45	dBm	-
Eye Diagram	IEEE Std 802.3-2005 Gigabit Ethernet 1000Base-ZX compatible

Table 2. Receiver Optical Characteristics

120km SFP Parameter	Symbol	Minimum	Typical	Maximum	Unit	Notes
Receiver Sensitivity	S	-	-	-31	dBm	1
Receiver Overload	POL	-9	-	-	dBm	1
Optical Return Loss	ORL	12	-	-	dB	-
LOS De-Assert	LOSD	-	-	-32	dBm	-
LOS Assert	LOSA	-45	-	-	dBm	-
LOS Hysteresis	-	0.5	3	5	dB	-

Notes:

1. Measured with PRBS 223-1 testpattern, 1.25Gb/s, EX=9dB, BER<10-12.

Table 3. Ordering Information

Part Number	Transmitter	Output Power	Receiver	Sensitivity	Reach	Temp	DDM	RoHS
LX1025CDR	1550nm DFB	0 ~ +5dBm	APD	< -31dBm	120km	-10 ~ 70℃	Available	Compliant
LX1025EDR	1550nm DFB	0 ~ +5dBm	APD	< -31dBm	120km	-10 ~ 85℃	Available	Compliant
LX1025IDR	1550nm DFB	0 ~ +5dBm	APD	< -31dBm	120km	-40 ~ 85℃	Available	Compliant

Applications

1.25Gb/s Ethernet 1000Base-ZX

1.0625Gb/s Fiber Channel

Enterprise Router

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