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High Density GEPON / EPON SFP Module For Passive Opitacal Access Network

Categories OLT SFP Module
Brand Name: NATYWISH
Model Number: NTW - GES20++AS
Certification: CE, FCC, RoHs
Place of Origin: China
MOQ: 1pcs
Price: Negotiable
Payment Terms: L/C, T/T
Delivery Time: 10 - 15 working days
Packaging Details: 10pcs / box
Product Name: GEPON / EPON OLT SFP transceiver
Connector: SC
Wavelength: Tx1310nm Rx1490nm
data rate: 1.25G
Transmission distance: 20km
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High Density GEPON / EPON SFP Module For Passive Opitacal Access Network



GEPON / EPON PX20++ OLT Optical SFP Module Tx1310nm Rx1490nm 20km , SC

single fiber singlemode for EPON OLT device.


PON Overview

  • Ethernet Passive Optical Networks (GEPON or EPON) is the leading technology being used in FTTx (FTTH) deployments. PON is different than other optical network topologies in that it is a Point to Multi-Point (P2MP) topology. From the Central Office’s (CO) Optical Line Terminal (OLT, with SFP GEPON transceiver/module) a single strand of fiber goes out to a passive optical splitter where its signal is multiplied to 32(64) different lines. The Transmit and Receive signals operate on different wavelengths allowing bi-directional operation over a single fiber. Anything transmitted from the OLT is transmitted to all 32 lines. It is up to the customer’s system (Optical Network Unit - ONU) to determine what packets are for that customer. All other packets are discarded. The PON current standards have defined downstream data rates up to 1.25Gbps.
  • IEEE 802.3ah. EPON or GEPON (Ethernet PON) is an IEEE/EFM standard for using Ethernet for packet data.


Product Application


• Passive Opitacal Access Network
• Fiber to the Home
• Fiber to the Building
• Fiber to the Curb

Product Features

  • Compatible IEEE 802.3ah 1000BASE-PX20++ GEPON application
  • Applied to EPON OLT for a Single Fiber Bi-directional EPON System
  • SFP, Single SC connector, Digital Diagnostic Interface Compliant with SFF-8472
  • Burst Digital Receiving Signal Strength Indication (RSSI)
  • Single 3.3V power supply
  • Operation case temperature -10~70°C for commercial
  • RoHS-6 compliance


Optical Characteristics

ParameterUnitMin.Typ.Max.
TX Central Wavelengthnm14801500
Spectral Width (-20dB)nm1
SMSRdB30
Mean Launched PowerdBm58
Mean Launched Power (TX Off)dBm-39
Extinction Ratio(Note 1)dB9
TX Total JitterUI0.43
Rise/Fall Time (20%-80%)ps260
RIN15OMAdB/Hz-115
Optical Return Loss TolerancedB-12
Transmitter and dispersion Penalty(20km G.652)dB2.3
TX Optical Eye MaskCompliant With IEEE Std 802.3ah™-2004
Receive Wavelengthnm12601360
Sensitivity (Note 2)dBm-33
OverloaddBm-6
Dynamic RangdB25
Receiver Threshold Settling Timens250
RX Dynamic Range(Note 3)dBm-30-6
LOS-DeassertdBm-34
LOS-AssertdBm-45
SD HysteresisdB0.56
Receiver ReflectancedB-12

Note:

  • Measured with PRBS 27-1 test pattern @1.25Gbps, Low Pass Filter is on.
  • Measured with a PRBS 27-1 test pattern @1.25Gbps and ER=10dB, BER <10-12

3, RX Dynamic Range Definition


Electrical Characteristics

ParameterUnitMin.TypicalMax.
Power Supply CurrentmA300
Data Input Differential SwingmV2001600
Data Differential ImpedanceΩ90100110
TTL Input -LowV00.8
TTL Input -HighV2.0Vcc
TTL Output -LowV00.4
TTL Output -HighV2.4Vcc
Data Output Differential SwingmV4001600
Los Assert Timens500
Los Deassert Timens500



Ordering Information

Ordering P/NsDescription
NTW - GES20++ASEPON OLT PX20++ Diplexer, 30km, Tx 1490nm 1.25G, Rx 1310nm 1.25G, SFP form-factor, SC/UPC receptacle connector, Commercial temperature.



























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