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EPON OLT OPTICAL SFP MODULE
The GEPON OLT transceiver is the high performance module for single fiber,1490nm continuous-mode transmitter and 1310nm burst-mode receiver.

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INFORMATION

Description
The BD-4311S-E2CDA is the high performance GEPON SFP module for single fiber by using 1490nm continuous-mode transmitter and 1310nm burst-mode receiver. It is optical line terminal(OLT) for IEEE Std 802.3ah?-2004 1000BASE-PX20. The optical transceiver is compliant with the Small Form- Factor Pluggable (SFP) Multi-Source Agreement (MSA).
The transmitter section uses a 1490nm DFB LD with automatic power control (APC) function and temperature compensation circuitry to ensure stable extinction ratio over all operating temperature range. and is ClassⅠlaser compliant IEC825 and CDRH standards.The receiver has a hermetically packaged APD-TIA (trans-impedance amplifier) pre-amplifier and a limiting amplifier with LVPECL compatible differential outputs.
Features
* Single Fiber Transceiver with single mode SC receptacle
* 1490nm continuous-mode 1.25G/s transmitter with DFB laser
* 1310nm burst-mode 1.25G/s receiver with APD-TIA
* Single 3.3V power supply
* LVPECL compatible data input /output
* Support more than 24dB dynamic range
* Continued mode received signal strength indication (RSSI) output
* Complies with IEEE Std 802.3ah?-2004 1000BASE-PX20
* Digital diagnostic interface compliant with SFF-8472 Rev 9.4 ,
* Complies with RoHS directive (2002/95/EC)
* Operating case temperature:
Standard : 0 to +70C
Applications
Gigabit Ethernet Passive Optical Network (GEPON) OLT
 
Optical and Electrical Characteristics
Parameter
Symbol
Min
Typical
Max
Unit
Notes
Transmitter
Data Rate
1.25
Gb/S
Centre Wavelength
λc
1480
1500
nm
Spectral Width
∆λ
0.4
1
nm
Average Output Power(BOL)
Pout
3
7
dBm
1
Extinction Ratio
ER
9
dB
Average Launch Power-OFF Transmitter
Poff
-40
dBm
Optical Eye Diagram
Compliant with IEEE802.3ah-2004 PX20
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
Data Rate
1.25
Gb/S
Centre Wavelength
λc
1260
1360
nm
Receiver Sensitivity
Sen
-28
dBm
3
Receiver Overload
Sat
-6
dBm
3
Receiver Burst Dynamic Range
22
dB
Receiver Reflectance
-20
dB
LOS De-assert Level
LOS_D
-29
dBm
LOS Assert Level
LOS_A
-45
dBm
Reciever Power DDM (RSSI) Error
RXDDM
+/-3
dBm



Ordering information


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