- EIA/ECA-310-E (revision of EIA-310-D) Compliant- Plexiglass Front Door for Visibility and Aesthetic Look- Shatter Resistance Clear Tempered Plexiglas Front Window- Allow Monitoring, Troubleshooting with Cabinet Closed or Locked- Vented Top, Bottom, and Side Panels Enable Air Circulation- 21r Useable Depth for 19r Wide Equipment- Integrated Internal Fan for Cooling Equipment- Supports up to 100 lbs. when properly secured- Top and Bottom Round (4) 2.38r and .98r Knockouts to Accommodate EMT and Conduit Sizes- Front Door is Removable and Reversible- Lockable for Added Security- Dual Hinges Swing Unit Provides Easy Access to Rear of Equipment- Mounting Hardware Included with #10-32 Rack Mount Screws