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800G OSFP112-DD Optical Transceiver | SMF (OS2) | MPO | 1310 nm
The 800G OSFP112-DD optical transceiver is a high-performance, hot-pluggable module designed for ultra-high bandwidth data center, AI/ML clusters, and DCI applications. It supports parallel transmission using 8 × 100 Gbps PAM4 lanes over single-mode fiber.
Operating in the 1310 nm O-band, this module ensures low latency, high efficiency, and reliable performance for short to medium reach optical links. It uses an MPO-16 APC interface for structured and high-density fiber connectivity.
General Overview
OSFP112 Dual-Density hot-pluggable optical module
Parallel 8 × 100 Gbps lanes using PAM4 modulation (106.25 Gb/s per lane)
Operates at 1310 nm O-band wavelength
MPO-16 (APC) interface with 8 Tx and 8 Rx fibers
Supports IEEE 802.3df and CMIS 5.x management
Optimized for AI/ML workloads and high-capacity DCI interconnects
Key Highlights
Hot-pluggable OSFP form factor with integrated heatsink design
Electrical interface: 8 × CAUI-112 (100 Ω AC coupled)
Power supply: 3.3 V (±5%)
Power consumption: ≤ 14–16 W (depending on variant)
Operating temperature: 0°C to +70°C
Compliant with RoHS 2.0 and IEC Class 1 laser safety
Optical Performance
| Wavelength | 1310 nm (O-band) |
| Modulation Format | PAM4, 53 GBd per lane |
| Tx OMA (Outer) | –2.9 to +4.0 dBm |
| Receiver Sensitivity | –5.9 dBm (DR8) / –4.5 dBm (FR8) |
| Tx Dispersion Penalty | ≤ 3.5 dB |
| Extinction Ratio | ≥ 3.5 dB |
Distance Variants
| Variant | Optical Type | Fiber | Reach | Application |
|---|---|---|---|---|
| DR8 | 1310 nm Parallel SMF | OS2 | 500 m | Rack-to-rack / Row links |
| XDR8 | Extended DR8 | OS2 | 1 km | Building / Campus links |
| FR8 | 1310 nm Parallel SMF | OS2 | 2 km | Aggregation / Metro DC links |
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