1. Introduction
This manual provides detailed instructions for the assembly, installation, operation, and maintenance of your Tecmojo 16U Open Frame Network Rack. Please read this manual thoroughly before beginning assembly or operation to ensure proper use and safety.
2. Safety Information
- Always ensure the rack is assembled on a flat, stable surface.
- Use appropriate tools and wear protective gear during assembly.
- When lifting or moving the assembled rack, especially with equipment installed, seek assistance to prevent injury.
- Ensure proper wall mounting hardware is used for wall-mounted installations, suitable for the wall material and total load.
- Do not overload the rack. The wall-mounted capacity is 130 lbs, and the ground-mounted capacity is 260 lbs.
- Keep children and pets away from the assembly area.
3. Package Contents
Verify that all components are present before beginning assembly:
- 16U Open Frame Server Rack components
- 2 x 1U 14-inch Rack Shelves
- 4 x Shelf Stops
- 4 x Velcro Straps
- Set of Equipment Mounting Screws (10-32 Screw x 25)
- 4 x Rack Shelf Back Supports
- 4 x M5*30 Wall Mounting Screws
- 1 x L Wrench
- 1 x Mounting Hole Drilling Template
- 4 x Cable Ties

Image: All components included with the Tecmojo 16U Open Frame Network Rack, including the rack frame parts, two shelves, shelf stops, Velcro straps, screws, L-wrench, and mounting template.
4. Setup and Assembly
Follow these steps to assemble your Tecmojo 16U Open Frame Network Rack. An assembly video is provided for visual guidance.
Video: Official Tecmojo assembly guide for the open frame network rack. This video demonstrates the step-by-step process of putting the rack together, including attaching side frames, beams, and the top cover.
4.1. Frame Assembly
- Unpack all components and lay them out on a clean, flat surface.
- Attach the two Side Frames (E) to the Rear Beams (G) using M6 Butter Head Hex Screws (4 screws total). Ensure the Rear Beams are installed in the same direction.
- Attach the remaining two Side Frames (E) to the Top Front Beam (B) and Bottom Front Beam (D) using M6 Butter Head Hex Screws (4 screws total). Ensure the Front Beams are installed in the same direction.
- Connect the assembled side frames to form the complete rack structure.
4.2. Top Cover Installation
- Place the Top Cover (A) onto the assembled frame.
- Secure the Top Cover using M4.4 Screws (4 screws total).
4.3. Shelf and Back Support Installation
- Insert the two 1U Rack Shelves into the desired rack units. Secure them with the provided 10-32 screws.
- Install the Shelf Back Supports (4) to the rear of the shelves using the provided screws. These supports enhance stability and weight capacity.
- Attach the Anti-Slip Shelf Stops to the shelves to prevent devices from sliding.

Image: This image highlights the vented shelves, grommet holes for cable management, and clearly marked rack unit numbers on the frame.
4.4. Mounting Options (Floor Standing or Wall Mounted)
The rack can be used as a floor-standing unit or wall-mounted.
- Floor Standing: Attach the included adjustable feet to the bottom of the rack.
- Wall Mounted: Use the provided Mounting Hole Drilling Template to mark drilling locations on your wall. Ensure the wall material can support the rack's weight (up to 130 lbs) and use appropriate M5*30 Wall Mounting Screws.

Image: This image illustrates the use of the mounting hole drilling template for wall installation and highlights key features of the rack.
5. Operating Instructions
Once assembled and mounted, the Tecmojo 16U Open Frame Network Rack provides a versatile solution for organizing IT and AV equipment.
Video: This video demonstrates the practical application of the open frame rack, showcasing how various network and AV devices can be installed and organized, including cable management and shelf utilization.
5.1. Device Placement
- Install 19-inch rack-mountable equipment directly into the rack units using the provided 10-32 screws.
- Place non-rack-mountable devices on the shelves. Use the anti-slip shelf stops to secure them.

Image: This image displays a fully equipped rack, demonstrating how devices are secured with back supports and anti-slip features.
5.2. Cable Management
- Utilize the grommet holes on the top panel for centralized cable pass-through.
- Use the included Velcro straps and cable ties to organize and secure cables, preventing clutter and improving airflow.
6. Maintenance
To ensure the longevity and optimal performance of your network rack:
- Regularly inspect all screws and connections to ensure they are tight.
- Clean the rack periodically with a soft, dry cloth to remove dust and debris. Avoid abrasive cleaners.
- Ensure adequate airflow around equipment by maintaining organized cabling and not blocking ventilation holes.
7. Troubleshooting
- Difficulty with Screw Alignment: If screw holes do not align perfectly during assembly, slightly loosen adjacent screws to allow for minor adjustments, then tighten all screws once aligned.
- Rack Instability: Ensure all frame screws are fully tightened. For floor-standing units, adjust the leveling feet. For wall-mounted units, verify that the wall anchors are secure and the wall material is appropriate for the load.
- Limited Usable U-Space: Note that the top and bottom support beams may occupy some U-space. Plan your equipment layout accordingly.
8. Specifications
| Feature | Detail |
|---|---|
| Rack Space | 16U |
| Frame Type | Open Frame |
| Material | Cold Rolled Steel |
| Dimensions (D x W x H) | 20.15"D x 20.47"W x 28.03"H (512mm D x 520mm W x 712mm H) |
| Weight Capacity (Floor) | 260 lbs |
| Weight Capacity (Wall) | 130 lbs |
| EIA/ECA-310-E Compliant | Yes |
| Color | Black |
| Item Weight | 31.7 Pounds |
| Compatible Devices | Server |
| Mounting Type | Wall Mount |
| Assembly Required | Yes |

Image: This graphic provides a visual overview of the rack's dimensions and key specifications.
9. Warranty and Support
This Tecmojo 16U Open Frame Network Rack comes with a 3-year manufacturer's warranty. For technical support, replacement parts, or warranty claims, please contact Tecmojo customer service through their official website or the retailer where the product was purchased.