40G 1310nm 10KM 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.
- 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
Table 1. Transmitter Optical Characteristics
Parameter | Symbol | Minimum | Typical | Maximum | Unit | Notes |
Reference Differential InputImpedance | 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 |
Note:
1. AC coupled inside AOC module.2. Input swing to trigger TX-squelch. Table 2.Receiver Optical Characteristics
1. AC coupled inside AOC module.2. Input swing to trigger TX-squelch. Table 2.Receiver Optical Characteristics
Parameter | Symbol | Minimum | Typical | Maximum | Unit | Notes |
Reference Differential InputImpedance | Zd | - | 100 | - | Ω | 1 |
Differential Data Output Swing | Vout_pp | 0 | - | -9.5 | MV | - |
Pre-emphasis Pulse AmplitudePercentage | -
-
-
- | 0
10
20
40 | -
-
-
- | -
-
-
- | %
%
%
% | 2
-
-
- |
Pre-emphasis Pulse Duration | - | - | 30 | - | Ps | - |
Signal Speed | - | - | 4*10.3 | - | Gb/S | - |
Differential Data Output Swing | - | 150 | - | 850 | MV | - |
Differential Data Output SwingWhen 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”
- 10G/40G Ethernet
- Proprietary high speed, high density data
- High performance computing, server and data storage.
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