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Class B+ GPON ONU SFP 1310nm Tx 1490nm Rx

Features

  • Single fiber Bi-Directional transceiver with single mode SC receptacle
  • 1310nm burst-mode 1.25Gbps transmitter with DFB laser
  • 1490nm continuous-mode 2.5Gbps receiver with APD-TIA
  • Meets ITU-T G.984.2 Class B+
  • Digital diagnostic interface compliant with SFF-8472 Rev 9.4, Digital Diagnostic Monitoring (DDM) with external calibration
  • 3.3V Single power supply
    1. LVPECL interface logic level for data input
    2. CML interface logic level for data output
    3. Differential line input/output impedance 100 ohm
    4. LVTTL for burst signal input and signal detect output
  • Complies with RoHS directive 
  • Operating case temperature: Standard: 0 to +70°C

Applications

  • Gigabit Passive Optical Network (GPON) ONU
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Class B+ GPON ONU SFP 1310nm Tx 1490nm Rx                                                                                                                        

Parameter

Symbol

Min

Typical

Max

Unit

Notes

Transmitter

Data Rate

   

1.25

 

Gb/S

 

Centre Wavelength

λc

1260

1310

1360

nm

 

Spectral Width

∆λ

   

1

nm

 

Side Mode Suppression Ratio

SMSR

30

   

dB

 

Average Output Power

Pout

0.5

 

5

dBm

1

Extinction Ratio

ER

10

   

dB

 

Burst Enable Delay

Ton

   

12.86

ns

Fig.1

BurstDisableDelay

Toff

 

 

12.86

ns

Fig.1

Average Launch Power-OFF Transmitter

Poff

 

 

-41

dBm

 

Optica lRise/Fall Time(20%~80%)

tr/tf

   

260

ps

 

Data Input Swing Differential

VIN

200

 

1600

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

RX Data Rate

RR

 

2.5

 

Gb/S

 

Centre Wavelength

λc

1480

 

1500

nm

 

Receiver Sensitivity(BOL)

Sen

   

-28

dBm

3

Receiver Overload

Sat

-8

   

dBm

3

Receiver Reflectance

     

-20

dB

 

Signal Detect De-Assert

SDD

-44

 

 

dBm

 

Signal Detect Assert

SDA

 

 

-29

dBm

 

Signal Detect Hysteresis

SDH

0.5

 

6

dB

 

Output Differential Impedance

ZIN

90

100

110

Ω

 

DataOutputSwing Differential

Vout

400

 

1400

mV

 

SD Output Voltage

High

2.0

 

Vcc

V

 

Low

0

 

0.8

V

 
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