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EPON OLT PX20+++ PON MODULE

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EPON OLT PX20+++ is an SFP packaged hot-swappable optical module (compliant with IEEE 802.3ah 1000BASE-PX20+) used to connect optical data communication links. It adopts a single-fiber bidirectional design, and the uplink and downlink rates can reach up to 1.25Gbps, which is widely compatible with the market. Mainstream brand OLT equipment.

EPON OLT PX20+++

Single-fiber bidirectional hot-swappable SFP with SC/UPC interface
Up to 1.25Gbps operating rate
1490nm DFB-LD transmitter and 1310nm burst mode APD-TIA receiver
Support DDM, which can provide diagnostic and testing functions for power supply, temperature, transmitting and receiving status, and service life.
Transmission distance up to 20KM
Comply with MSA SFP specification SFF-8472
Conforms to IEEE 802.3ah

 

 

 

+ -


February 3, 2023 Philippines February 3, 2023 Philippines February 3, 2023 Philippines February 3, 2023 Philippines February 3, 2023 Philippines February 3, 2023 Philippines

ABSOLUTE MAXIMUM RATING

Parameters Symbol Min. Max. Unit
Power Supply Voltage VCC 0 3.6 V
Storage Temperature Tc -40 85 °C
 

Operating Case Temperature

Tc 0 70  

°C

TI -40 85
Relative Humidity RH 5 95 %
RX Input Average Power Pmax -7                   dBm

RECOMMENDED OPERATING ENVIRONMENT

Parameters Symbol Min. Typical Max Unit
Power Supply Voltage VCC 3.135 3.3   3.465 V
Power Supply Current Icc 350 mA
 

Operating Case

Temperature

TC 0 25 70  

 

°C

TI -40 25 85

OPTICAL CHARACTERISTICS

Parameters Unit Values
Operating Reach m 2 – 20K
Transmitter
Center wavelength nm 1490
Side Mode Suppression   Ratio (min) dB 30
Launched power
– maximum (Average) dBm 9
– minimum (Average) dBm 7
Average launch power   of OFF transmitter (max) dBm -30
Extinction ratio (min) dB 9
Optical Return Loss Tolerance   (min) dB 12
Receiver
Center wavelength (range) nm 1310
Receive overload (max)   in average power(note 1) dBm -8
Receive sensitivity (min) in average power(note 1) dBm -32
Receiver Reflectance   (max) dB -12
Los Assert(min) dBm -33
Los Dessert(max) dBm -30
Los Hysteresis(min) dB 0.5
Receiver power (damage,   Max) dBm -7

DITITAL DIAGNOSTIC FUNCTIONS

 

Parameter Symbol Min. Max Unit Notes
 

Temperature monitor absolute   error

 

 

DMI_Temp

 

 

-3

 

 

3

 

 

degC

Over operating temp
Laser power   monitor absolute error  

DMI_TX

 

-3

 

3

 

dB

 

Supply voltage monitor absolute error

 

 

DMI_VCC

 

 

-0.08

 

 

0.08

 

 

V

Full operating range
Bias current monitor DMI_Ibias -10% 10% mA

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