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).
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
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
