The Crocus SHDSL Quad DXC is a card fitting in the card-nest 4 (CN4) integrating SHDSL transmission techniology with cross-connect functionality into a high-density modular central office solution.

For this purpose, the card features 4 SHDSL line pairs and 4 fixed G.703 interfaces. The SHDSL line pairs can be configured as individual links or can be combined into two-pair operation for increased distance reach.

The on-board digital cross connect (DXC) function offers switching of the 64 kbps timeslots between all ports without restrictions. It gives possibilitis for grooming lines, add-anddrop multiplexing and cascading of several cards.

Alternatively, the digital cross connect function may also be disabled, offering up to four G.703 terminated individual modem links that can be operated in framed or unframed mode.

Using an option board, the Crocus SHDSL Quad can deliver remote powering on the lines.

The unit is designed for integration into demanding network environments and can be controlled by a complete set of network maintenance and management tools.