This Chassis allows matrix configurations of 16×8, 32×4, two 16×4’s, or two 8×8’s. Modular construction allows smaller configurations that may be expanded later by adding more modules. 2, 4, or 8 wire modules with CAT5E RJ45 connectors. Add Switch Modules to complete the system. The Dual 8×8 configuration has been tested and passes Gbit Ethernet Signals.

Features:
Internally configured Matrix for ease of wiring.
LED Front Panel Display of switch points.
Optional Manual Control.
Remote control from LAN, GPIB, RS232 or USB.

Dimensions:
19″ Rack Mount (483 mm)
15″ deep (381 mm)
3.5″ (2 RU) high (90 mm)
Weight: 15 to 20 lbs (7 to 10 Kg) max
AC Power : 75 Watts max. 110/220 selectable.

link to switch module selector