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The ORTRONICS MM20HMZRU19-B is a horizontal cable manager designed for 19-inch rack installations. This zero rack unit (Zero RU) accessory mounts to the side or integrated channel of a standard 19-inch equipment rack, providing structured cable routing without consuming any usable rack unit space. It keeps patch cords, data cables, and low-voltage wiring organized across the width of the rack face. Network technicians and low-voltage cabling installers use this manager to reduce cable stress, prevent accidental disconnections, and maintain clean cable pathways in data closets, server rooms, and telecommunications rooms.
This cable manager is suited for use in commercial and enterprise environments where rack density is a priority and rack unit space must be preserved for active equipment. Typical installations include structured cabling panels, network switch rows, and patch fields in 19-inch two-post or four-post rack systems. It ships as a single unit (sold individually) and is categorized as a hardware accessory for rack and cable management systems.
Designed as an OEM-style accessory for standard 19-inch equipment racks used in data center, telecommunications, and structured cabling installations.
Installation is typically performed by a low-voltage cabling technician or network infrastructure installer. Power down or disconnect active equipment in the immediate rack space before routing cables through the manager to avoid accidental disconnection. Follow TIA-568 or applicable structured cabling standards for cable bend radius and fill capacity when dressing cables through the manager.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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