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1490/1310nm 40km 1.25G SFP Optical Transceivers
1490/1310nm 40km 1.25G SFP Optical Transceivers
1490/1310nm 40km 1.25G SFP Optical Transceivers

1490/1310nm 40km 1.25G SFP Optical Transceivers (DT-SFP-1490/1310-1.25G-40KM),To Be Used On a Series of Switches, Routers,

 Servers, Network InterfaceCard Etc,Package:SFP,Data Rate:1.25G,Wavelength:   1490/1310nm,Reach:40km,TX:DFB,RX:PIN,TX 

Power:-5~0dBm,RX Sensitivity:-24dBm,,Compatible With the Brand:Cisco,Juniper,Brocade,Arista,Mellanox,HPE,Dell,Dell Force10,

Huawei...Etc is Optional.


Model: DT-SFP-1490/1310-1.25G-40KM Brand: DAYTAI
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Product Description

1490/1310nm 40km 1.25G SFP Optical Transceivers (DT-SFP-1490/1310-1.25G-40KM),To Be Used On a Series of Switches, Routers,

 Servers, Network InterfaceCard Etc,Package:SFP,Data Rate:1.25G,Wavelength:   1490/1310nm,Reach:40km,TX:DFB,RX:PIN,TX 

Power:-5~0dBm,RX Sensitivity:-24dBm,,Compatible With the Brand:Cisco,Juniper,Brocade,Arista,Mellanox,HPE,Dell,Dell Force10,

Huawei...Etc is Optional.


Features

⊙ Compatible with RoHS

⊙+3.3V single power supply

⊙Operating case temperature:

⊙Standard : 0 to +70°C

⊙ Industrial : -40 to +85°C

⊙Hot-pluggable SFP footprint

⊙Metal enclosure, for lower EMI

⊙Up to 40km for SMF transmission

⊙Up to 1.25Gbps bi-directional data links

⊙BIDI LC/UPC type pluggable optical interface

Specification

Parameter

Symbol

Min

Max

Unit

Supply Voltage

Vcc

-0.5

4.5

V

Storage Temperature

Ts

-40

+85

°C

Signal Input Voltage


0

Vcc

V

Operating Humidity

-

5

95

%

Receiver Damage Threshold


5


dBm

Parameter

Symbol

Min

Typical

Max

Unit

Notes

Transmitter

Total Supply Current

Icc



A

mA

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

LOS Output Voltage-

High

2.0


Vcc

V


Low

0


0.8

V


Total Supply Current

Icc



B

mA

1

Optical transmitter Characteristics

Parameter

Symbol

Min

Typical

Max

Unit

Notes

Launched Power (avg.)

Pout

-9


-3

dBm


Center Wavelength

λc

1290

1310

1330

nm

DT-SFP-1310/1490-1.25G-40KM

1470

1490

1510

nm

DT-SFP-1490/1310-1.25G-40KM

Side Mode Suppression Ratio

SMSR

30



B


Extinction Ratio

ER

9



B


Spectrum Bandwidth(-20dB)

σ



1

nm


Data Input Swing Differential

VIN

180


1200

mV

1

Relative Intensity Noise

RIN

90

100

1 10

ohm


Output Eye Diagram

Complies with IEEE802.3z eye masks when filtered

Optical receiver Characteristics

Parameter

Symbol

Min

Typical

Max

Unit

Notes

Receiver Sensitivity

S



-20

dBm

2

Wavelength Range

λc

1470

1490

1510

nm

DT-SFP-1310/1490-1.25G-40KM

1290

1310

1330

nm

DT-SFP-1490/1310-1.25G-40KM

Optical Power Input Overload

Pin-max

- 1



dBm


Data Output Swing Differential

Vout

600

800

1000

mV


LOS

Optical De-assert

Pd



-26

dBm

3

Optical Assert

Pa

-38




LOS hysteresis


0.5

2

6

dB



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