1.25 G 20km CWDM SFP Transceivers

• Customization: Available
• Type: Optical Receiver
• Certification: CE, ISO, RoHS
• Model NO.: DT-CWDM-SFP-1.25G-20KM
• Name: Optical Transceivers
• Package: SFP
• Data Rate: 1.25g
• Wavelength: 1270-1610nm
• Reach: 20km
• Tx: Dfb
• Rx: Pin
• Tx Power: -9~-3dBm
• Rx Sensitivity: -20dBm
• Transport Package: 1PCS/Carton
• Trademark: Daytai
• Origin: Zhejiang, China(Mainland)
• Production Capacity: 1000000 Piece/Pieces Per Month

Product Description

★Description

CWDM 20km 1.25G SFP Optical Transceivers (DT-CWDM-SFP-1.25G-20KM),To Be Used On a Series of Switches, Routers, Servers,

Network InterfaceCard Etc,Package:SFP,Data Rate:1.25G,Wavelength:1270-1610nm,Reach:20km,TX:DFB CWDM,RX:PIN,TX

 Power:-9~-3dBm,RX Sensitivity:-20dBm,,Compatible With the Brand:Cisco,Juniper,Brocade,Arista,Mellanox,HPE,Dell,Dell

 Force10,Huawei...Etc is Optional.

 

★Features

⊙Hot-pluggable

⊙RoHS Compliant

⊙ Low power dissipation

⊙Up to 1.25Gbps Data Links

⊙Single +3.3V power supply

⊙Metal enclosure, for lower EMI

⊙Operating temperature range:

⊙Commercial: 0C~+70C

⊙Industrial: -40~+85C

⊙DFB laser transmitter and PIN receiver

⊙Duplex LC/UPC type pluggable optical interface

⊙2-wire interface with integrated Digital Diagnostic monitoring      

⊙Up to 20km transmission distance over Single Mode Fiber(SMF) 

★Product Performance

Recommended Operating Conditions
Parameter	Symbol	Min	Typical	Max	Unit
Operating Case Temperature (Commercial)	Tc	0		70	C
Operating Case Temperature (Industrial)	Tc	-40		85
Power Supply Voltage	Vcc3	3. 13	3.3	3.47	V
Supply Current	Icc3			280	mA
Power Supply Noise Rejection				100	100  mVp-p
Data Rate			1.25		Gbps
Fiber Length 9/ 125μm core SMF		-	20	-	km

Optical transmitter Characteristics
Parameter		Symbol	Min	Typical	Max	Unit	Notes
Launched Power (avg.)		Pout	-9		-3	dBm	3
Operating Wavelength Range		λc	- 10	λ	λ+10	nm	4
Spectral Width(-20dB)		△λ			1	nm
Side Mode Suppression Ratio		SMSR	30			B
Extinction Ratio		ER	9			B
Transmitter OFF Output Power		POff			-45	dBm
Differential Line Input Impedance		RIN	90	100	110	Ohm
Output Eye Diagram		Compliant with IEEE802.3ae eye mask
Optical receiver Characteristics
Parameter		Symbol	Min	Typical	Max	Unit	Notes
Receiver Sensitivity		S			-20	dBm	5
Wavelength Range		λc	1270		1610	nm
Optical Power Input Overload		Pin-max	-3			dBm
Receiver Damage Threshold					5	dBm
LOS	Optical De-assert	Pd			-22	dBm
	Optical Assert	Pa	-35
LOS hysteresis			0.5	2	6	B