Your Best Partner for Fiber Optic Solutions

EPON ONU Transceiver

Features

Dual Wavelength Bidirectional Tx/Rx

1250Mb/s Symmetrical Tx/Rx Data Rate

1310nm F-P Burst-Mode Laser

1490nm continuous-mode PIN Receiver

IEEE 802.3ah Compliant

China EPON standard OAM control

Up to 32 subscribers within 20km radius

Optical link measurement and diagnosis

Triple Churning Key decryption

Highly flexible 802.1Q VLAN support

802.1p/q support

Single 3.3V DC supply

SFP Package Outline

Single Fiber, Full Duplex Operation

SC Optical Connector

2X10 Electrical SFP Connector

Case Operating Temperature Range: Commercial: -30 to 75 ºC

BER <10-12 (PRBS 27-1)

RoHs Compliance

Applications

Gigabit Ethernet Access Networks

Fiber to the Home, Curb, Office (FTTx)

Point to Multi Point Service (P2MP)

Compatible American MSO standard function

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PX-20+ 1250Mb/s with EPON MAC                                                                                                                                                

Transmitter Optical Characteristics

Parameter

Symbol

Min

Typ

Max

Units

Conditions /Notes

Transmitter Type

 

1310nm F-P Burst

Mode

 

 

 

 

Average Output Power

(9/125mSMF)

Pout

0

-

4.0

dBm

Note1.

Optical Output with Tx OFF

Pout

-

-

-45

dBm

 

Tx Wavelength

λ

1260

1310

1360

nm

 

Spectral Line RMS Width

λ

-

-

3.0

nm

 

Extinction Ratio

ER

9

-

-

dB

Measured by Ethernet package with random payload.

Relative Intensity Noise

RIN

-

-

-115

dB/Hz

 

Optical Return Loss

RL

-

-

15

dB

 

Peak to Peak Jitter

JP-P

-

-

0.2

UI

 

Optical Cross Talk

CRT

-

40

-

dB

 

Transmitter eye mask definiti on {X1,X2,Y1,Y2,Y3}

JA

{0.220.375,0.20,0.20,0.30}

UI

IEEE802.3 ah 

compliant.

 

 

Transmitter Reflectance

 

-

-

-10

dB

 

 

Receiver Optical Characteristics

Parameter

Symbol

Min

Typ

Max

Unit

Notes

Receiver Type

 

1490nm PIN/TIA C W Mode

 

With 1550nm/1650nm block filter

 

 

Wavelength

λ

1480

1490

1500

nm

 

Receiver Sensitivity

PIN

-

-

-25

dBm

BER<10-12, 1250 Mb/s, PRBS 27-1, ER=10dB

Receiver Optical Overload

PIN(SAT)

-3

-

-

dBm

Maximum Input Optical Power

PIN(MAX)

-

-

7

dBm

Damage Threshold

Receiver Reflectance

RFL

-

--

-12

dB

 

Rx_LOS of Signal Asserted

PA

-40

-

-

dBm

LVTTL

Rx_LOS of Signal Deasserted

PD

-

-

-26

dBm

LVTTL

Rx_LOS of Signal Hysteresis

PHy

0.5

-

5.0

dB

 

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