OSFP-400G-2FR4 Compatible 400G OSFP 2x FR4 PAM4 Dual CS 2km SMF FEC Transceiver Module
OSFP-400G-2FR4 Compatible 2x 200G OSFP FR4 PAM4 CWDM4 Dual CS 2km SMF FEC Optical Transceiver Module
The OSFP 400G 2xFR4 module is a highly integrated 2x200G transceiver focused on reach, bandwidth, density and cost for datacenter deployments. The module has 8 independent electrical input/output channels operating at 53.125Gb/s per channel. Optically the module consists of two transmit/receive units, with each operating on a set of 4 wavelengths on the ITU G.694.2 CWDM grid near 1300nm. The transmit path of the module incorporates a bi-directional PAM4 retimer ASIC integrated with an 8-channel modulator driver, 8 externally modulated lasers (two on each CWDM channel) and two optical multiplexers. On the receive path, two optical demultiplexers are coupled to 8 photodiodes and two 4-channel TIA arrays, along with the PAM4 retimer. The electrical interface of the module is compliant with the 400GAUI-8 interface as defined by IEEE 802.3bs.
Features
- 2km reach via single mode fiber with KP4 FEC support at the host (BERthreshold = 2e-4)
- Optical link budget of 7.0dB to support fiber patch panel and fiber cable management
- Triple rate operation: 53.125Gb/s (PAM4), 25.78125Gb/s (NRZ), and 10.3125Gb/s (NRZ) per channel
- Soft FEC support (SFEC) for 1.5dB gain with 5% overhead included in PAM4 ASIC
- Uncooled CWDM externally modulated lasers
- Compliant with 400GAUI-8 interface defined in IEEE 802.3bs
- Dual SMF mini-LC duplex optical connectors (5.25mm pitch)
- Receiver monitoring: receiver signal strength indicator (RSSI) is required for link diagnostics
- Transmitter output power monitoring (TOPM) for laser calibration and link diagnostics
- DC blocking caps on high-speed inputs and outputs
- Hot pluggable for ease of installation and service
Product Specifications
Arista Networks Compatible | OSFP-400G-2FR4 | Vendor Name | LightOptics |
Form Factor | OSFP | Max Data Rate | 425Gbps |
Wavelength | 1271nm, 1291nm, 1311nm, 1331nm | Max Distance | 2km |
Modulation Format | PAM4 | Host Required | FEC |
Connector | Duplex CS | Voltage Supply | 3.3V |
Cable Type | SMF | DDM Support | Yes |
Transmitter Type | 2x CWDM4 EML | Receiver Type | PIN |
TX Power | -4.2~+4.7dBm | Receiver Sensitivity | < -6.0dBm |
Operation Temperature | 0 to 70°C (32 to 158°F) | Maximum Power | < 12.0W |
Protocols | OSFP MSA, IEEE 802.3bs | Application | 400G Ethernet, Data Center Interconnect, Infiniband Interconnects, Enterprise Networking |
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