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SFP 155M 1550nm 150km DDM

Features

  • Up to 155Mbps Data-rate
  • 1550nm DFB laser and APD photo detector for 150km transmission
  • Compliant with SFP MSA and SFF-8472 with duplex LC receptacle
  • Digital Diagnostic Monitoring: Internal Calibration or External Calibration
  • Compatible with RoHS
  • +3.3V single power supply
  • Operating case temperature:
  • Standard: 0 to +70°C

Applications

  1. Gigabit Ethernet
  2. Fiber Channel
  3. Switch to Switch interface
  4. Switched backplane applications
  5. Router/Server interface
  6. Other optical transmission systems
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155M 1550nm 150km DDM SFP Transceiver Module

                                                                                               

Transmitter

Centre Wavelength

λc

1480

1550

1580

nm

 

Spectral Width(-20dB)

∆λ

   

1

nm

 

Side Mode Suppression Ratio

SMSR

35

   

dB

 

Average Output Power

Pout

1

 

5

dBm

1

Extinction Ratio

ER

9

   

dB

 

Data Input Swing Differential

VIN

400

 

1800

mV

2

Input Differential Impedance

ZIN

90

100

110

Ω

 

 

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

Centre Wavelength

λc

1260

 

1580

nm

 

Receiver Sensitivity

     

-37

dBm

4

Receiver Overload

 

-10

   

dBm

4

LOS De-Assert

LOSD

   

-39

dBm

 

LOS Assert

LOSA

-45

   

dBm

 

LOS Hysteresis

 

1

 

4

dB

 

Data Output Swing Differential

Vout

370

 

1800

mV

5

LOS

High

2.0

 

Vcc

V

 

Low

   

0.8

V

 

 

Digital Diagnostic Memory Map

 

The transceivers provide serial ID memory contents and diagnostic information about the present operating conditions by the 2-wire serial interface (SCL, SDA).

 

The diagnostic information with internal calibration or external calibration all are implemented, including received power monitoring, transmitted power monitoring, bias current monitoring, supply voltage monitoring and temperature monitoring.

 

The digital diagnostic memory map specific data field defines as following.

 

Q&A

----------------------------------------------------------------------------------------------------------

Q: What is the regulatory of SFP Modules?

 

A: Safety

 

• Laser Class 1 21CFR1040 LN#50 7/2001

 

• Laser Class I IEC 60825

 

 

Q: What is the standards of SFP Transceivers?

 

A: • IEEE 802.3u

 

• IEEE 802.3z

 

• IEEE 802.3ah

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