.
Extron recently introduced their new Fiber Matrix 6400, which features:
I/O sizes from 8x8 to 64x64
High speed digital switching up to 4.25 Gbps
Multimode and singlemode I/O boards available
Modular, field-upgradeable and hot-swappable design
Dual, redundant, and hot-swappable power supplies
Advanced computer-aided diagnostics