400G QSFP-DD Multi-mode Optical Transceiver
Product Description
Multi-mode,400G,100m,MPO interface
Product Features
Applications
General Description
WTQDD-85F8-M1B is an Eight-Channel, Parallel, Pluggable, Fiber-Optic QSFP-DD for 400Gigabit Ethernet applications. This transceiver is a high performance module for short-range data communication and interconnect application. It integrates eight data lanes in each direction with 8x26.5625GBd. The length of QSFP-DD SR8 is up to 70 meters over OM3 MMF or 100 meters over OM4 MMF. This module is designed to operate over multimode fiber systems using a nominal wavelength of 850nm
Management Interface

PIN Definitions
QSFP-DD Transceiver Pad Layout, host PCB QSFP-DD Pinout, and PIN Descriptions are as follows:


Package dimensions
Figure 7.1 shows the package dimensions of the module. 400G SR8 transceivers are compatible with the QSFP-DD Type 2 Specification for pluggable form factor modules
