25G 1310nm 30km/40km SFP28 光模块

Description
This product is a 25Gb/s transceiver module designed for optical communication compliant to Ethernet 25G ER Lite standard. Its high performance 25G application up to 30km/40km(with FEC) Links. The product is designed with form factor, optical/electrical connection and digital diagnostic interface according to the SFP+ Multi-Source Agreement (MSA).

Features
● Hot-pluggable SFP28 form factor
● Up to 30Km reach for G.652 SMF without FEC
● Up to 40Km reach for G.652 SMF with FEC
● Internal CDR on both Transmitter and Receiver channel
● Transmitter: cooled 25Gb/s 1310nm EML TOSA
● Receiver: 25Gb/s APD ROSA
● Single 3.3V power supply
● Power dissipation < 2W
● Commercial case temperature range: 0°C to +70°C
● Duplex LC receptacle
● Digital diagnostics functions are available via the I2C interface
● RoHS-6 compliant

Applications
● 25GBASE-ER Lite Ethernet
● CPRI/eCPRI Option 10

Absolute Maximum Ratings

Parameter	Symbol	Min	Max	Unit
Supply Voltage	Vcc	0	3.6	V
Operating Case Temperature	Top	0	+70	°C
Storage Temperature	Ts	-40	+85	°C
Operating Humidity	–	5	85	%
Damage Threshold, each Lane	THd	-3.0		dBm

Recommended Operating Conditions

Parameter	Symbol	Min	Typical	Max	Unit
Operating Case Temperature	Tc	0		+70	°C
Power Supply Voltage	Vcc	3.13	3.3	3.47	V
Power Supply Current	Icc			600	mA
Data Rate, each lane			25.78125		Gb/s
Data Rate Accuracy		-100		100	ppm
Link distance with G.652(without FEC)				30	Km
Link distance with G.652(with FEC)				40	Km

Optical and Electrical Characteristics

Parameter		Symbol		Min	Typical	Max	Unit	Notes
Transmitter
Data rate			BR		25.78		Gbps
SDD11			TP1	CEI-28G-VSR Equation 13-19			dB
SDC11,SCD11			TP1	CEI-28G-VSR Equation 13-20			dB
Stressed Input Test			TP1a	CEI-28G-VSR Section 13.3.11.2.1
Differential data input swing			VIN,PP	150		1100	mV
Input Differential Impedance			ZIN	90	100	110	Ω
Centre Wavelength			λc	1295	1310	1325	nm
Spectral Width (-20dB)			σ			1	nm
Side Mode Suppression Ratio			SMSR	30			dB
Average Output Power			Pavg	-3		6	dBm
Optical Modulation Amplitude				0		4	dBm
Extinction Ratio			ER	7			dB
Transmitter and dispersion penalty						2.7	dB
Rin20OMA						-130	dB/HZ
Optical return loss tolerance						20	dB
Transmitter reflectance						-26	dB
Average Launch Power OFF transmitter			Poff			-30	dBm
Transmitter eye definition {X1,X2,X3,Y1,Y2,Y3}Hit ratio 5E-5				{0.31,0.4,0.45,0.34,0.38,0.4}				1
TX Disable	Disable			2.0		Vcc	V
	Enable			0		0.8	V
TX Fault	Fault			2.0		Vcc	V
	Normal			0		0.8	V
Receiver
Data rate			BR		25.78		Gbps
SDD22			TP4	CEI-28G-VSR Equation13-19			dB
SDC22, SCD22			TP4	CEI-28G-VSR Equation 13-21			dB
SCC22			TP4			-2	dB
Transition Time,20% to 80%			TP4	9.5			ps
Vertical Eye Closure(VEC)			TP4			5.5	dB
Eye Width at E-15 probability			EW15	0.57			UI
Eye Height at E-15 probability			EH15	228			mV
Average Receive Power				-23		-5	dBm
Unstressed Receiver Sensitivity (OMA)			SEN			-19	dBm	BER=5E-5
Receiver Reflectance						-26	dB
LOS De-Assert			LOSD		-26		dBm
LOS Assert			LOSA		-24		dBm
LOS Hysteresis				0.5			dB
Differential data output swing			Vout,PP	300		900	mV
LOS			High	2.0		Vcc	V
			Low			0.8	V

Notes 1: Transmitter eye compliant to IEEE 802.3cc 25G-ER;

Mechanical Dimensions

Ordering information

Part Number	Product Description
FTCS-1325G-40D	25Gbps, 1310nm; SFP28, 30Km/40km(FEC), DDM   0ºC ~ +70ºC
FTCS-1325G-40DI	25Gbps, 1310nm; SFP28, 30Km/40km(FEC), DDM   -40ºC ~ +85ºC

北亿纤通 | F-tone Networks

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企业手机：19081343401
企业电话：028-85255257
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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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