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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.
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.
● 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℃
Transmitter Optical Characteristics
|
Parameter |
Symbol |
Minimum |
Typical |
Maximum |
Unit |
Notes |
|
Reference Differential Input |
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 |
Zd |
- |
100 |
- |
Ω |
1 |
|
Differential Data Output Swing |
Vout_pp |
0 |
- |
800 |
mV |
|
|
Pre-emphasis Pulse Amplitude |
- |
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 |
- |
- |
- |
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”
• 10G/40G Ethernet
• Proprietary high speed, high density data
• High performance computing, server and data storage.
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