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Epon onu sfp transceiver

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EPON ONU SFP Transceiver

Description:

The EPON ONU SFP is a transceiver for the optical network unit (ONU) of GE-PON with 1.25Gbps in downstream and 1.25Gbps in upstream. Ingellen’s EPON ONU SFP transceiver is high performance module for single fiber communications by using 1310nm burst-mode transmitter and 1490 nm continuous-mode receiver. The transmitter section uses a multiple quantum well 1310nm laser and is a class 1 laser compliant according to International Safety Standard IEC-60825-1. The receiver section uses an integrated 1490 nm detector preamplifier (IDP) mounted in an optical header and a limiting post-amplifier IC. LVPECL interface is used for differential inputs and outputs. A LVTTL logic interface simplifies interface to external circuitry.

Features:
2x10 SFF Package with SC Receptacle/SC Pigtail
Single +3.3 V Power Supply
1.25Gbps / 1310nm Burst-Mode Transmitter with FP laser
1.25Gbps / 1490nm Continuous-Mode Receiver with 2R Output
Distance up to 20km
LVTTL transmitter burst-mode control
LVTTL receiver signal-detected indication
Compliant with IEEE 802.3ah-2004
Class 1 FDA and IEC60825-1 laser safety compliant
Operating Case Temperature
Commercial: 0 to +70°C
Applications
Gigabit Ethernet GEPON ONU for P2MP application
Broadband GE-PON System
Functional Diagram

The Signal Detect (SD, active high), Normal optical input levels to the receiver result in a logic “1” output, asserted.
The following version is available:
1. AC/AC Transceiver
Standard PECL inputs and outputs, Tx is AC coupling.
2. DC/AC Transceiver
Standard PECL inputs and outputs, Tx is DC coupling

Specification:
Absolute Maximum Ratings

Parameter

Symbol

Min.

Max.

Unit

Storage Temperature

    Ts

-40

+85

°C

Supply Voltage

   VCC

-0.5

4.0

V

Operating Relative Humidity

   Hopr

     5

95

%

Wave Soldering Conditions Temp/Time

 

 

260/10

°C/s

*Exceeding any one of these values may destroy the device permanently.

Recommended Operating Conditions

Parameter

Symbol

Min.

Typical

Max.

Unit

Operating Case Temperature

TA

0

 

+70

°C

Power Supply Voltage

VCC

3.15

3.3

3.45

V

Power Supply Current

ICC

 

200

250

mA

Date Rate

 

 

1.25

 

Gbps

Digital Diagnostic Interface
The memory map in the following describes an extension to the memory map defined in SFP-8472. The enhanced interface uses the two wire serial bus address 1010001X (A2h) to provide diagnostic information about the module’s present operating conditions.

Mechanical Specifications

SC Receptacle

Pigtail with SC Connector

Ordering Information:

Part Number

Data Rate

Wavelength

Distance

Package

Interface

Temp.

DDM

INE-OLT

1.25G/1.25G

1310TX/1490RX

20KM

2x10,SFF

SC

0~70

Y