- 9U- 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 circulations- 21r useable depth for 19r wide equipment- Integrated one 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 #12-24 rack mount screws