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High Efficiency GPON OLT Transceiver Class C+ 2.488G Downstream 1.244G Upstream

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Shenzhen Natywish Technology Co., Ltd.

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High Efficiency GPON OLT Transceiver Class C+ 2.488G Downstream 1.244G Upstream

Name: High Efficiency GPON OLT Transceiver Class C 2488G Downstream 1244G Upstream
Brand: NATYWISH
Price: 1 USD

Wholesale High Efficiency GPON OLT Transceiver Class C+ 2.488G Downstream 1.244G Upstream from china suppliers

Brand Name : NATYWISH

Model Number : NTW-SFP

Certification : CE, ROHS, FCC

Place of Origin : China

MOQ : 1pcs

Price : Negotiable

Payment Terms : L/C, T/T, paypal, Western Union

Supply Ability : 5000pcs/ week

Delivery Time : 5-8 working days

Packaging Details : 1pc/box

Name : GPON OLT C+

Bit Rate for Tx : 2.488Gbps

Bit Rate for RX : 1.244Gbps

application : FTTx

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GPON OLT Optical Transceiver SFP Module Class C + 2.488G downstream 1.244G upstream

The GPON OLT Transceiver is designed for Gigabit-capable Passive Optical Network(GPON)transmission. The module incorporates 1490nm DFB continuous-mode transmitter and 1310nm burst-mode APD receiver.

The transmitter section uses a high efficiency 1490nm DFB laser and an integrated laser driver which is designed to be class-1 eye safety under any single fault. The laser driver includes APC and temperature compensation functions, which are used for keeping the launch optical power and extinction ratio constant over temperature and aging.

The receiver section uses an integrated APD detector and burst mode preamplifier mounted together. To provide fast settling time with immunity to long streams of Consecutive Identical Digits(CID), the receiver requires a reset signal provided by the media access controller(MAC). The receiver has fast SD function, the rising time is about 5ns, when reset signal arrived, the SD signal will be turned to low, and the noise in the guard time will be squelched.

The receiver includes digitalized burst mode optical power monitoring function, which converses any of a received ONU optical power directly in digital, with a Trigger input from system. When rising edge of Trigger detected, the DDM processor starts a burst optical power conversion, the digital result is available via DDM interface after Burst Optical Power Conversion Time. Trigger pulse width should be more than Burst Optical Power Conversion Holding Time.

An integrated WDM coupler can distinguish 1310nm input light from 1490nm output light.
The metallic package guarantees excellent EMI and EMC characteristics, which totally comply with international relevant standards.

Application

GPON OLT Class C+
FTTx

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

All performance is specified at whole working temperature and conditions

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	3		7
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

High Efficiency GPON OLT Transceiver Class C+ 2.488G Downstream 1.244G Upstream

Product Tags:

small form factor transceiver

sfp transceiver module

High Efficiency GPON OLT Transceiver Class C+ 2.488G Downstream 1.244G Upstream Images

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