Middle Atlantic CMK40 Cornermate Cable Management Kit
Overview
The Middle Atlantic CMK40 is a corner-routed cable management kit designed to organize and route cables cleanly within and around Middle Atlantic rack enclosures. The CMK40 addresses the common problem of cable congestion at rack corners — where horizontal and vertical cable runs converge — by providing a structured pathway that keeps signal and power cables separated, accessible, and protected. This kit is the appropriate choice when installing equipment in enclosures where unmanaged corner routing would otherwise create airflow blockage, make future moves or adds unnecessarily difficult, or leave cables exposed to mechanical stress at bend points.
Compatibility
The CMK40 is engineered for use with Middle Atlantic rack enclosures and rack accessories within the Cornermate series. Verify the specific rack model and rail configuration against Middle Atlantic's published compatibility data before ordering, as Cornermate components are sized to match particular enclosure widths and depths within the Middle Atlantic lineup. This kit is not a universal cable manager and may not retrofit to non-Middle Atlantic or third-party rack frames without modification.
Installation Notes
Install within the cable management pathway of the target enclosure before populating equipment, as retroactive installation in a fully loaded rack significantly increases labor. Route heavier power cables separately from data and signal runs to maintain signal integrity and simplify future troubleshooting. Confirm adequate bend radius is maintained at all corner transitions — forced bends beyond cable minimum bend radius risk conductor damage and connector strain over time.
