WayOS维盟

GPON模块

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支持ITU-T G.984.2 GPON OLT C+应用单光纤双向数据链路

，具有非对称 2.488Gbps 发射和 1.244Gbps 接收1490nm连续模式发射器，

带DFB LD1310nm 突发模式接收器，带 APD-TIA用于集成数字诊断监控的 2 线接口接收器复位、信号检测、RSSI 功能指示（复位、RX_SD、RSSI）SFP 封装，

带 SC/UPC 插座光纤接口+3.3V单电源供电工作外壳温度 -40~85°C 工业和 0~70°C 商业符合 RoHS6 标准

Operating Condition

Parameter	Unit	Min.	Typical	Max.
Storage Temperature	°C	-40		85
Operating Case Temp for C-temp	°C	0		70
Operating Case Temp for I-temp	°C	-40		85
Operating Relative Humidity	%	5		95
Power Supply Voltage	V	3.15	3.3	3.45
Supply Current	mA			600
Bit Rate for Tx	Gbps	2.488
Bit Rate for Rx	Gbps	1.244

Characteristics

Parameter	Unit	Min.	Typical	Max.
Transmitter
TX Central Wavelength	nm	1480	1490	1500
Spectral Width (-20dB)	nm			1
Side Mode Suppression Ratio (SMSR)	dB	30
Mean Launched Power	dBm	4		6
Mean Launched Power (TX Off)	dBm			-45
Extinction Ratio	dB	8.2
Optical Return Loss Tolerance	dB	-12
Transmitter and dispersion Penalty	dB			1
Transmitter Mask(PRBS2²³-1@2.488G)	Compliant With ITU-T G.984.2
Receiver
Receive Wavelength	nm	1290	1310	1330
Sensitivity (PRBS2²³-1@1.244G,ER=10,BER<10^-10)	dBm			-30
Overload (PRBS2²³-1@1.244G,ER=10,BER<10^-10)	dBm	-12
Receiver Burst Mode Dynamic Range	dB	15
Damage Threshold for Receiver	dBm	5
SD Assert Level	dBm			-33
SD De-assert Level	dBm	-45
SD Hysteresis	dB	0.5		6
WDM Filter isolation to 1550nm	dB	38
WDM Filter isolation to 1650nm	dB	35
Electrical Interface Characteristics
Data Input Swing Differential/TX	mV	200	-	2000
Data Output Swing Differential/RX	mV	400		1600
Date Differential Impedance	Ω	90	100	110
LVTTL Output High	V	2.4		Vcc
LVTTL Output Low	V	0		0.4
LVTTL Input High	V	2.0		Vcc+0.3
LVTTL Input Low	V	0		0.8
Timing Characteristics
Guard Time (Tg)	ns	25.6
Reset Pulse Width (Tr)	ns			12.8
Reset Delay (Trd)	ns			12.8
Receiver Preamble Time (Tp)	ns			140
SD Assert Time (TSDA)	ns			100
SD De-assert Time (TSDD)	ns			12.8
RSSI Trigger Delay (Ttd)	ns	25
RSSI Trigger Pulse Width (Tw)	ns	500
Internal I2C Delay (Twait)	us			500