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40G 1310nm 10KM QSFP+

40G, 1310nm, 10KM,  LR4, QSFP+

LX498xCDx is a 40Gb/s QSFP+ to 4x 10G SFP+ , hot-pluggable active optical cable for Infiniband and Ethernet data transmission. It provides parallel interconnects: 4 transmitting / 4 receiving data lanes and supports distance up to 100 meters. LX498xCDx is designed to meet the requirements of high speed, high density and low power consumption for applications in today’s data centers.

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Overview

LX498xCDx is a 40Gb/s QSFP+ to 4x 10G SFP+ , hot-pluggable active optical cable for Infiniband and Ethernet data transmission. It provides parallel interconnects: 4 transmitting / 4 receiving data lanes and supports distance up to 100 meters.

LX498xCDx is designed to meet the requirements of high speed, high density and low power consumption for applications in today’s data centers.

Features

●      Compliant to standard SFF-8436 for QSFP+ and standard SFF-8431 for SFP+

●      High speed / high density: support up to

●      4X10 Gb/s bi-directional operation

●      Reliable VCSEL and PIN photonic devices

●      I2C standard management interface

●      Excellent high speed signal integrity

●      Operating temperature Options

●      (Commercial) 0℃ to +70℃

Optical Characteristics

Transmitter Optical Characteristics


Parameter

Symbol

Minimum

Typical

Maximum

Unit

Notes

Reference Differential Input
Impedance

Zd

-

100

-

Ω

1

Optical Return Loss Tolerance

 

 

 

12

dB

 

Differential Data Input Swing

Vin_pp

180

-

1200

mV

-

Differential Data Input Threshold

 

 

50

 

mV

2

Notes:
1. AC coupled inside AOC module.
2. Input swing to trigger TX-squelch.

 

Receiver Optical Characteristics


Parameter

Symbol

Minimum

Typical

Maximum

Unit

Notes

Reference Differential Input
Impedance

Zd

-

100

-

Ω

1

Differential Data Output Swing

Vout_pp

0

-

800

mV

 

Pre-emphasis Pulse Amplitude
Percentage

-

0

-

-

%

2

-

10

-

-

%

 

-

20

-

-

%

 

-

40

-

-

%

 

Pre-emphasis Pulse Duration

-

-

30

-

ps

 

Signal Speed

-

-

4*10.3

-

Gb/s

-

Differential Data Output Swing

-

150

-

850

mV

-

Differential Data Output Swing
When Squelched

-

-

-

50

mV

-

Rise / Fall Time (20% ~80%)

-

24

-

-

ps

-

Notes:
1. AC coupled inside AOC module.
2. User selectable. Percentage is theratio of pre-emphasis amplitude to output swing. Users could
change by writing to page3 address 237, default value is “10”

Application

• 10G/40G Ethernet

• Proprietary high speed, high density data

• High performance computing, server and data storage.

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