Overhead cabling system for telecommunication switching center

A cable tray assembly adapted to mount on top of a switching cabinet comprising:

• a) a cable tray including a bottom wall, a front wall, a back wall and two open ends;
• and
• b) a mounting structure adapted to mount on top of a single switching cabinet for supporting said cable tray in spaced relation to the top of said single switching cabinet, said mounting structure including a pair of mounting rails adapted to be secured to the top of said single switching cabinet in spaced relationship to one another, and a pair of tie rails extending between said mounting rails, said cable tray being secured on top of said tie rails.

A cable tray assembly adapted to mount on top of a switching cabinet comprising:

• a) a cable tray including a bottom wall, a front wall, an inclined back wall and two open ends;
• and
• b) a mounting structure adapted to mount on top of a single switching cabinet for supporting said cable tray in spaced relation to the top of said cabinet.

A cabinet system for telecommunications equipment comprising:

• a) a plurality of cabinets, each having a top surface, arranged in side by side relationship to form a row of said cabinets;
• b) a plurality of modular cable trays, each including a back wall, mounted individually to the top surface of respective ones of said cabinets in said row of said cabinets so that each cable tray is supported by one of said cabinets, wherein said back wall of each cable tray is inclined.