The Leviton 49254-BCM 4-ring horizontal patch cord manager shall provide the capability to organize and contain patch cords on the front of the panel. The front of the panel shall provide four (4) horizontal distribution rings to reduce stress on stored cables to retain optimal cable geometry. All distribution rings shall have edges with a radius to protect against nicks and tears. Patch cord managers shall be 1 or 2 EIA rack units high, and fit standard 19" racks. The material shall be .060" steel with black powder coat finish. The manufacturer shall provide a one-year limited product warranty and 15-year product performance guarantee. The manufacturer shall provide a lifetime warranty against defects in material and workmanship and an application guarantee when installed as part of a certified system.