CLASS C++ GPON OLT SFP Module

Class C++, SFP, 20Km

The Class C++ SFP module is mainly used on Gigabit-capable Passive Optical Networks (GPON) networks. It is Class C++ type, with 20Km transmitting distance.

Datasheet

description1

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Overview

The Class C++ SFP module is mainly used on Gigabit-capable Passive Optical Networks (GPON) networks. It is Class C++ type, with 20Km transmitting distance.

Features

● Single fiber bi-directional data links asymmetric TX 2488Mbps/RX1244Mbps application

● 1490nm continuous-mode DFB laser transmitter and 1310nm burst-mode APD-TIA receiver

● Small Form Factor Pluggable package with SC/UPC Connector

● Reset burst-mode receiver design support more than 15dB dynamic range

● 0 to 70°C operating case temperature

● Single 3.3V power supply

● Digital diagnostic monitoring interface

● Digital burst RSSI function to monitor the input optical power level

● LVPECL compatible data input/output interface

● LVTTL transmitter disable control

● LVTTL transmitter laser fault alarm

● LVTTL receiver Signal Detect (SD) indication response within 50ns.

● Low EMI and excellent ESD protection

● Class I laser safety standard IEC-60825 compliant

Transmit Optical Characteristics

Parameter	Symbol	Min.	Typ.	Max.	Unit	Notes
Optical Center Wavelength	λC	1480		1500	nm
Optical Spectrum Width (-20dB)	∆λ			1	nm
Side Mode Suppression Ratio	SMSR	30			dB
Average Launch Optical Power	AOP	5.5		10	dBm	BOL, Normal Temperature
Average Launch Optical Power	AOP	4.5		10	dBm	EOL, 0~70°C
Power-OFF Transmitter Optical Power				-39	dBm	Launched into SMF
Extinction Ratio	ER	8.2			dB	PRBS 223-1+72CID @2.488Gbit/s
Tolerance to Transmitter Incident Light		-15			dB
Transmitter Reflectance				-10	dB
Transmitter and Dispersion Penalty	TDP			1	dB	Transmit on 20km SMF
Optical Waveform Diagram

Receiver Optical Characteristics

Parameter	Symbol	Min.	Typ.	Max.	Unit	Notes
Operating Wavelength		1260		1360	nm
Sensitivity (BOL, Normal Temperature)	SEN			-31	dBm	PRBS 223-1+72CID@1.244Gbps BER≤1×10-10
Sensitivity (EOL, 0~70°C)	SEN			-30	dBm	PRBS 223-1+72CID@1.244Gbps BER≤1×10-10
Saturation Optical Power	SAT	-12			dBm
Dynamic Range		15			dB
Loss Of Signal De-assert Level				-33	dBm
Loss Of Signal Assert Level		-45			dBm
Loss Of Signal Hysteresis		0.5		6	dB
Receiver Reflectance				-12	dB

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