56G QSFP+ SR4光模块

Description
The F-tone Networks FTCQ-5X6-SR4xx is a Four-Channel, Pluggable, Parallel, Fiber-Optic QSFP+ Transceiver for InfiniBand FDR/QDR/DDR/SDR,16G/10G/8G/4G/2G fiber channel , PCIe and SAS Applications. This transceiver is a high performance module for short-range multi-lane data communication and interconnect applications. It integrates four data lanes in each direction with 56 Gbps bandwidth. Each lane can operate at 14.0625 Gbps up to 100 m using OM3 fiber or 150 m using OM4 fiber. These modules are designed to operate over multimode fiber systems using a nominal wavelength of 850nm. The electrical interface uses a 38 contact edge type connector. The optical interface uses an 12 fiber MTP (MPO) connector. This module incorporates F-tone Networks proven circuit and VCSEL technology to provide reliable long life, high performance, and consistent service.QSFP+ SR4 is one kind of parallel transceiver. VCSEL and PIN array package is key technique, through I2C system can contact with module.

Features
● Four-channel full-duplex transceiver modules
● Transmission data rate up to 14.0625Gbit/s per channel
● 4 channels 850nm VCSEL array
● 4 channels PIN photo detector array
● Low power consumption <1.5W
● Housing isolated from connector ground
● 3.3V power supply voltage
● RoHS 6 compliant
● Hot Pluggable QSFP form factor
● Maximum link length of 100m on OM3 Multimode Fiber (MMF)and 150m on OM4 MMF
● Single MPO connector receptacle
● Case operating temperature
      Commercial: 0 ~ +70℃
      Industrial: -40 ~ +85℃

Applications
● InfiniBand FDR
● 16x Fibre Channel
● PCI-e3.0
● Proprietary High Speed Interconnections
● SAS 3.0

Absolute Maximum Ratings

Parameter	Symbol	Min	Max	Unit
Supply Voltage	Vcc	-0.3	3.6	V
Input Voltage	Vin	-0.3	Vcc+0.3	V
Storage Temperature	Tst	-20	85	ºC
Case Operating Temperature	Top	0	70	ºC
Humidity(non-condensing)	Rh	5	95	%

Recommended Operating Conditions

Parameter	Symbol	Min	Typical	Max	Unit
Supply Voltage	Vcc	3.13	3.3	3.47	V
Operating Case temperature	Tca	0		70	ºC
Data Rate Per Lane	fd	2.5		14.0625	Gbps
Humidity	Rh	5		85	%
Power Dissipation	Pm			1.5	W
Fiber Bend Radius	Rb	3			cm

Electrical Specifications

Parameter	Symbol	Min	Typical	Max	Unit
Differential input impedance	Zin	90	100	110	ohm
Differential Output impedance	Zout	90	100	110	ohm
Differential input voltage amplitude  aAmplitude	ΔVin	300		1100	mVp-p
Differential output voltage amplitude	ΔVout	500		800	mVp-p
Skew	Sw			300	ps
Bit Error Rate	BR			E-12
Input Logic Level High	VIH	2.0		VCC	V
Input Logic Level Low	VIL	0		0.8	V
Output Logic Level High	VOH	VCC-0.5		VCC	V
Output Logic Level Low	VOL	0		0.4	V

Note：
1.   BER=10^-12; PRBS 2^31-1@10.3125Gbps.
2.   Differential input voltage amplitude is measured between TxNp and TxNn.
3.   Differential output voltage amplitude is measured between RxNp and RxNn.

Optical Characteristics 
Table 3 – Optical Characteristics 

Parameter	Symbol	Min	Typical	Max	Unit	Notes
Transmitter
Centre Wavelength	λc	840	850	860	nm	–
RMS spectral width	∆λ	–	–	0.65	nm	–
Average launch power, each lane	Pout	-7.5	–	2.5	dBm	–
Difference in launch powerbetween any two lanes (OMA)				4	dB	–
Extinction Ratio	ER	3	–	–	dB	–
Peak power, each lane				4	dBm	–
ransmitter and dispersionpenalty (TDP), each lane	TDP			3.5	dB	–
Average launch power of OFFtransmitter, each lane				-30	dBm	–
Eye Mask coordinates:   X1, X2, X3, Y1, Y2, Y3	SPECIFICATION VALUES0.23, 0.34, 0.43, 0.27, 0.35, 0.4						Hit Ratio = 5×10-5
Receiver
Centre Wavelength	λc	840	850	860	nm	–
Stressed receiver sensitivity in OMA,each lane				-5.4	dBm	1
Average power at receiverinput, each lane		-9.5		2.4	dBm	–
Receiver Reflectance				-12	dB	–
Peak power, each lane				4	dBm	–
LOS Assert		-30			dBm	–
LOS De-Assert – OMA				-7.5	dBm	–
LOS Hysteresis		0.5			dB	–

 Note： 1．Measured with conformance test signal at TP3 for BER = 10e-12 

Mechanical Dimensions

Ordering information

Part Number	Product Description
FTCQ-5X6-SR4	56Gb/s QSFP+ SR4, 100m on OM3 Multimode Fiber (MMF)and 150m on OM4 MMF,0ºC ~ +70ºC
FTCQ-5X6-SR4I	56Gb/s QSFP+ SR4, 100m on OM3 Multimode Fiber (MMF)and 150m on OM4 MMF,-40ºC ~ +85ºC

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注：本产品有全国产化型号可选

Important Notice

Performance figures, data and any illustrative material provided in this data sheet are typical and must be specifically confirmed in writing by F-tone Networks before they become applicable to any particular order or contract. In accordance with the F-tone Networks policy of continuous improvement specifications may change without notice.

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