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Help Center155M-4.25G 300m-120km Router Sfp
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155M-4.25G 300m-120km router sfp
Description
1.The SFP module are high performance, cost effective modules supporting dual data-rate of 1.25Gbps/1.0625Gbps and 20km transmission distance with SMF.
2.The transceiver consists of three sections: a FP laser transmitter, a PIN photodiode integrated with a trans-impedance preamplifier (TIA) and MCU control unit. All modules satisfy class I laser safety requirements.
3.The transceivers are compatible with SFP Multi-Source Agreement (MSA) and SFF-8472. For further information, please refer to SFP MSA.
Features
Dual data-rate of 1.25Gbps/1.063Gbps operation
1310nm FP laser and PIN photodetector for 20km transmission
Compliant with SFP MSA and SFF-8472 with duplex LC receptacle
Digital Diagnostic Monitoring: Internal Calibrationor External Calibration
Compatible with SONET OC-24-LR-1
Compatible with RoHS
+3.3V single power supply
Operating case temperature:
Standard : 0 to +70°C
Industrial : -40 to +85°C
Applications
Gigabit Ethernet
Fiber Channel
Switch to Switch interface
Switched backplane applications
Router/Server interface
Other optical transmission systems
Specification
Optical and Electrical Characteristics
Parameter |
Symbol |
Min |
Typical |
Max |
Unit |
Notes |
||
Transmitter | ||||||||
Centre Wavelength |
λc |
1260 |
1310 |
1360 |
nm |
|
||
Spectral Width (RMS) |
λ |
|
|
4 |
nm |
|
||
Average Output Power |
Pout |
-9 |
|
-3 |
dBm |
1 |
||
Extinction Ratio |
ER |
9 |
|
|
dB |
|
||
Optical Rise/Fall Time (20%~80%) |
tr/tf |
|
|
0.26 |
ns |
|
||
Data Input Swing Differential |
VIN |
400 |
|
1800 |
mV |
2 |
||
Input Differential Impedance |
ZIN |
90 |
100 |
110 |
Ω |
|
||
TX Disable |
Disable |
|
2.0 |
|
Vcc |
V |
|
|
Enable |
|
0 |
|
0.8 |
V |
|
||
TX Fault |
Fault |
|
2.0 |
|
Vcc |
V |
|
|
Normal |
|
0 |
|
0.8 |
V |
|
||
Receiver | ||||||||
Centre Wavelength |
λc |
1260 |
|
1580 |
nm |
|
||
Receiver Sensitivity |
|
|
|
-23 |
dBm |
3 |
||
Receiver Overload |
|
-3 |
|
|
dBm |
3 |
||
LOS De-Assert |
LOSD |
|
|
-24 |
dBm |
|
||
LOS Assert |
LOSA |
-30 |
|
|
dBm |
|
||
LOS Hysteresis |
|
1 |
|
4 |
dB |
|
||
Data Output Swing Differential |
Vout |
400 |
|
1800 |
mV |
4 |
||
LOS |
High |
2.0 |
|
Vcc |
V |
|
||
Low |
|
|
0.8 |
V |
|
|||
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