Description
Features of 400g sr4 osfp
- Data rate up to 425Gb/s (4x 106.25 Gbps )
- Digital Diagnostics Monitoring Interface
- Reach up to 100m overMMF(OM4)
- Hot-pluggable OSFP form factor
- 850nm VCSEL laser and PIN receiver
- High speed I/O electrical interface (400GAUI-4)
- Commercial operating case temperature range: 0~ 70ºC
- Single MPO-12 receptacle
- RoHS-6 compliant
- TDEC<4.4dB
Standard
- IEEE Std 802.3cm
- IEEE Std 802.3ck
- 400G OSFP MSA and CMIS0
Application
- The Spine-Leaf switches within the data center are interconnected, and the TOR links to the Leaf are also connected;
- The AI training clusters and GPU servers are interconnected;
- The 400G OSFP SR4 is configured with a fanout of 2×200G or 4×100G links, enabling seamless compatibility with the existing 100G/200G infrastructure and providing flexibility for the phased upgrade of the network.
Specification of 400g sr4 osfp
| Absolute Maximum Ratings | ||||
| Parameter | Symbol | Min | Max | Unit |
| Storage Ambient Temperature | TSTG | -40 | 85 | ℃ |
| Operating Humidity | HO | 5 | 85 | % |
| Power Supply Voltage | Vcc | -0.3 | 3.6 | V |
| Signal Input Voltage | Vcc-0.3 | Vcc +0.3 | V | |
| Recommended Operating Conditions | |||||
| Parameter | Symbol | Min | Typical | Max | Unit |
| Operating Case Temperature | Tc | 0 | 70 | ℃ | |
| Power Supply Voltage | Vcc | 3.13 | 3.3 | 3.47 | V |
| Data Rate, each Lane(PAM4) | 106.25 | Gbps | |||
| Fiber Length 50/125μm core MMF | – | – | 100 | m | |
| Optical transmitter Characteristics | ||||||
| Parameter | Symbol | Min | Typical | Max | Unit | Notes |
| Launched Power (avg.) Per Lane | Pavg | -4.6 | 4 | dBm | ||
| Wavelength Range | λ0 | 844 | 850 | 863 | nm | |
| Spectral Width(-20dB) | ∆λ | 0.6 | nm | |||
| Extinction Ratio | ER | 2.5 | dB | |||
| Transmitter OFF Output Power | POff | -30 | dBm | |||
| Optical Modulation Amplitude(OMA outer) | OMA | -2.6 | 3.5 | dBm | ||
| Transmitter and dispersion eye closure(TDECQ) | TDECQ | 4.4 | dB | |||
| Optical receiver Characteristics | ||||||
| Parameter | Symbol | Min | Typical | Max | Unit | Notes |
| Receiver Wavelength Range | 844 | 850 | 863 | nm | ||
| Average Receiver Power Per Lane | -6.4 | 4 | dBm | |||
| Receiver Sensitivity Per Lane | Sen | -6.4 | dBm | |||
| Optical Power Input Overload | Pin-max | 3.5 | dBm | |||
| Receiver Reflectance | Rr | -12 | dB | |||
Ordering Information
| Part. No | Specifications | ||||||||
| Pack | Rate (Gbps) | Tx (nm) | Po (dBm) | RX | Sen (dBm) | Temp (℃) | Reach (M) | DDM | |
| OSFP-400G-SR4 | OSFP | 400G | VCSEL 850 | -4.6~4 | PIN | <-6.4 | 0~70 | 100 | Y |




