GPON OLT B + Optical Module 2.5G / 1.25G 20KM TX1490nm / RX1310nm GPON SFP

Khoom nta:

√ Txhawb ITU-T G.984.2 GPON OLT B + daim ntawv thov

√Tib fiber ntau ob-directional cov ntaub ntawv txuas nrog symmetric 2.488Gbps Tx thiab 1.244Gbps Rx

√ 1490nm nruam-hom transmitter nrog DFB LD

√ 1310nm tawg-hom txais nrog APD-TIA

√ 2-xaim interface rau kev sib koom ua ke digital kuaj xyuas

√ Txais RESET, Teeb Pom Kev Pom Zoo, RSSI ua haujlwm qhia (RESET, RX_SD, RSSI)

√ SFP pob nrog SC / UPC receptacle optical interface

√ Ib leeg +3.3V fais fab mov

√ Cov ntaub ntawv ua haujlwm -40 ~ 85 ° C rau kev lag luam thiab 0 ~ 70 ° C rau kev lag luamRoHS6 ua raws

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Product Detail

GPON OLT B + Optical Module 2.5G / 1.25G 20KM

TX1490nm/RX1310nm GPON SFP

1.Operating condition

Parameter	Chav tsev	Min.	Hom	Max.
Cia Kub	°C	-40		85
Kev khiav hauj lwm Case Temp rau C-temp	°C	0		70
Kev khiav hauj lwm Case Temp rau I-temp	°C	-40		85
Ua haujlwm txheeb ze humidity	%	5		95
Fais fab mov Voltage	V	3.15	3.3	3.45 Nws
Cov khoom siv tam sim no	mA			500
Bit Rate for Tx	Gbps	2.488 ib
Tus nqi qis rau Rx	Gbps	1.244 ib

2. Yam ntxwv

Tag nrho cov kev ua tau zoo yog teev nyob rau hauv tag nrho kev ua hauj lwm kub thiab tej yam kev mob

Parameter	Chav tsev	Min.	Hom	Max.
Transmitter
TX Central Wavelength	nm	1480	1490 ib	1500
Spectral dav (-20dB)	nm			1
Sab Hom Txhaum Cai (SMSR)	dB	30
Mean Launched Fais Fab	dBm ib	1.5		5
Lub Hwj Chim Loj (TX Off)	dBm ib			-45
Extinction Ratio	dB	8.2
Optical Return Poob Tolerance	dB	-12
Transmitter thiab dispersion txim	dB			1
Transmitter Mask (PRBS2²³-1@2.488G)	Ua raws li ITU-T G.984.2
Tus txais
Txais Wavelength	nm	1290	1310	1330 ib
Sensitivity (PRBS2²³-1@1.244G,ER=10,BER<10^-10)	dBm ib			-28
Overload (PRBS2²³-1@1.244G,ER=10,BER<10^-10)	dBm ib	-8
Receiver Burst Hom Dynamic Range	dB	15
Damage Threshold rau Receiver	dBm ib	5
SD Assert Level	dBm ib			-30
SD De-assert Level	dBm ib	-45
SD Hysteresis	dB	0.5		6
WDM Lim cais rau 1550nm	dB	38
WDM Lim cais rau 1650nm	dB	35
Hluav taws xob Interface yam ntxwv
Data Input Swing Differential/TX	mV	200	-	2000
Cov ntaub ntawv tso zis Swing Differential/RX	mV	400		1600
Hnub sib txawv Impedance	Ω	90	100	110
LVTTL tso zis siab	V	2.4		Vcc
LVTTL tso zis tsawg	V	0		0.4
LVTTL Input Siab	V	2.0		Vcc+0.3
LVTTL Input Tsawg	V	0		0.8 ua
Lub sijhawm yam ntxwv
Lub sijhawm tiv thaiv (Tg)	ns	25.6 ib
Pib dua Pulse Dav (Tr)	ns			12.8 ib
Pib dua ncua sij hawm (Trd)	ns			12.8 ib
Lub Sijhawm Txais Txais (Tp)	ns			140
SD Assert Time (TSDA)	ns			100
SD De-assert Time (TSDD)	ns			12.8 ib
RSSI Trigger Delay (Ttd)	ns	25
RSSI Trigger Pulse Width (Tw)	ns	500
Internal I2C ncua (Twait)	us			500