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Description
Features of 400g fr4 transceiver
- Supports 425Gb/s PAM4
- Digital Diagnostics Monitoring Interface
- Built-in 400G PAM4 DSP
- Maximum link length of2km over SMF with KP-FEC
- Hot-pluggable QSFP-DD form factor
- Uncooled 4 channels CWDM4 EML TOSA
- 4 channels PIN photodetector array
- Commercial operating case temperature range: 0~ 70ºC
- RoHS compliant
- Power dissipation<10W
- TDECQ<4dB
- Single MPO-12 receptacle
Standard
- IEEE 802.3bs 400GBASE-FR4
- QSFP-DD MSA
- SFF-8636
Application
- Data Center Spine-Leaf Architecture: Used for connecting remote switches.
- Enterprise Campus Backbone: Connects the core networks of different buildings within the same campus.
- DCI (Data Center Interconnection): Very popular in close-range peer-to-peer connections between enterprise-level data centers.
Specification of 400g fr4 transceiver
| 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 09/125μm core SMF | – | – | 2 | km | |
| Optical transmitter Characteristics | ||||||
| Parameter | Symbol | Min | Typical | Max | Unit | Notes |
| Launched Power (avg.) Per Lane | Pavg | -2.9 | 4 | dBm | ||
| Wavelength Range | L1 | 1264.5 | 1271 | 1277.5 | nm | |
| Wavelength Range | L2 | 1284.5 | 1291 | 1397.5 | nm | |
| Wavelength Range | L3 | 1304.5 | 1311 | 1317.5 | nm | |
| Wavelength Range | L4 | 1324.5 | 1331 | 1337.5 | nm | |
| Spectral Width(-20dB) | ∆λ | 0.6 | nm | |||
| Extinction Ratio | ER | 3 | dB | |||
| Transmitter OFF Output Power | POff | -30 | dBm | |||
| Optical Modulation Amplitude(OMA outer) | OMA | -1.46 | 3.7 | dBm | ||
| Transmitter and dispersion eye closure(TDECQ) | TDECQ | 3.4 | dB | |||
| Optical receiver Characteristics | ||||||
| Parameter | Symbol | Min | Typical | Max | Unit | Notes |
| Receiver Wavelength Range | L1 | 1264.5 | 1271 | 1277.5 | nm | |
| Receiver Wavelength Range | L2 | 1284.5 | 1291 | 1397.5 | nm | |
| Receiver Wavelength Range | L3 | 1304.5 | 1311 | 1317.5 | nm | |
| Receiver Wavelength Range | L4 | 1324.5 | 1331 | 1337.5 | nm | |
| Average Receiver Power Per Lane | -7.2 | 4 | dBm | |||
| Receiver Sensitivity Per Lane | Sen | -6 | dBm | |||
| Optical Power Input Overload | Pin-max | 4.4 | dBm | |||
| Receiver Reflectance | Rr | -26 | dB | |||
Ordering Information
| Part. No | Specifications | ||||||||
| Pack | Rate (Gbps) | Tx (nm) | Po (dBm) | RX | Sen (dBm) | Temp (℃) | Reach (KM) | DDM | |
| QSFP-DD-400G-FR4 | QSFP-DD | 400G | CWDMEML | -2.9~4 | PIN | <-6 | 0~70 | 2 | Y |
