The VT840 provides dual integrated shelf managers, with this mezzanine approach allowing the the company to provide various front panel I/O options in a compact dedicated space. The six AMC slots are divided among two sets of three slots for full redundancy options with failover. Each set of slots have their own dedicated PCIe Fabric, GbE, Power Module, clock structure, and management.
Running on x8 PCIe Gen 3 on ports 4 to 11, the chasis has quad SFP+ ports for 10 GbE and quad SFP for GbE. The Layer 2 managed GbE base channels are routed across ports 0 and 1.