Tecmojo 12U/10in
Tecmojo 12U 10-inch Mini Server Rack Instruction Manual
Model: 12U/10in
Brand: Tecmojo
1. Introduction
This manual provides detailed instructions for the assembly, installation, operation, and maintenance of your Tecmojo 12U 10-inch Mini Server Rack. Please read this manual thoroughly before installation and operation to ensure proper use and to prevent damage or personal injury. Keep this document for future reference.
Key Features:
- Compact 10-Inch Width & 12U Height: Designed for efficient equipment organization, ideal for desktops, home labs, small offices, or AV setups.
- Versatile Accessory Compatibility: Supports 10-inch rack-mountable equipment, including patch panels, network switches, cable organizers, and power strips.
- Durable Steel & Acrylic Construction: High-strength steel frame with premium acrylic side panels for durability and stability, suitable for NAS, custom clusters, and sensitive electronics.
- Open-Frame & Translucent Panel Design: Ensures superior airflow for optimal cooling. Translucent side panels offer dust protection and allow easy monitoring of device indicators.
- Complete Accessory Kit Included: Comes with 3 blank panels, 2 rack shelves, 1 SBC shelf, 2 micro adapter boards, and all necessary mounting hardware for a streamlined installation.
2. Package Contents
Verify that all components listed below are present and undamaged before proceeding with assembly.

Figure 2.1: Included Accessories and Hardware
The package includes:
- 12U Rack Frame (White)
- 2 Translucent Side Panels
- 2 Top Handles
- 3 Blank Panels (1U each)
- 2 Rack Shelves (10-inch)
- 1 SBC Shelf
- 2 Micro Adapter Boards (for Raspberry Pi 4/5)
- Mounting Hardware:
- 48 x 10-32 Screws
- 48 x 10-32 Cage Nuts
- 4 x M5x10mm Screws
- 4 x M4x14mm Screws
- 8 x M4x8mm Screws
- Screwdriver x 1
3. Setup and Installation
Follow these steps to assemble your Tecmojo 12U Mini Server Rack.
3.1. Rack Frame Assembly
- Attach Cross Beams and Side Panels:
Secure the two cross beams to the side panels using the provided M5x10mm screws. Ensure the panels are oriented correctly with the rack unit markings facing outwards.
Video 3.1.1: 1U Rack Mount SBC Shelf Assembly Demonstration of 10" Rack
This video demonstrates the assembly process for the 10-inch rack, including attaching cross beams and side panels.
- Install Bottom Panel:
Place the bottom panel into the assembled frame and secure it with the M4x8mm screws.
- Place Top Cover and Attach Handles:
Position the top cover onto the frame. Attach the two top handles using the M4x14mm screws, securing them through the top cover and into the frame.
3.2. Installing Shelves and Blank Panels
The rack includes various components for organizing your equipment. Use the provided 10-32 screws and cage nuts for mounting.
- Blank Panels:
Install blank panels at desired locations to cover unused rack units, improving airflow and aesthetics.
- SBC Shelf:
Mount the SBC shelf using the appropriate screws and mounting brackets. This shelf is designed to accommodate single-board computers like Raspberry Pi.

Figure 3.2.1: SBC Shelf and Mounting Brackets
This image shows the SBC shelf and its mounting brackets, designed to fit 2.5-inch hard drives and single-board computers.
- Rack Shelves:
Install the 10-inch rack shelves at your preferred height for other IT or AV equipment. Ensure they are securely fastened.

Figure 3.2.2: Rack Features including Shelves
This image highlights features like the acrylic top panel, non-slip feet, and tapped/square holes for versatile mounting of shelves and other accessories.
- Micro Adapter Boards:
Use the micro adapter boards to connect Raspberry Pi devices to the rack system. Refer to the specific Raspberry Pi documentation for proper connection.
Video 3.2.1: 1U Rack Mount SBC Shelf Assembly Demonstration of 10" Rack
This video demonstrates the assembly process for the 10-inch rack, including the installation of the SBC shelf and micro adapter boards.
Video 3.2.2: 10" Desktop Mini Rack Overview
This video provides a general overview of the 10-inch desktop mini rack, showcasing its features and potential configurations.
Video 3.2.3: 10in Desktop Mini Rack Installation Guide
This video offers a detailed installation guide for the 10-inch desktop mini rack, covering various assembly steps.
4. Operating Instructions
The Tecmojo 12U Mini Server Rack is designed for passive operation, providing a structured environment for your IT and AV equipment.
- Equipment Placement: Distribute equipment evenly across the shelves to maintain balance and stability.
- Cable Management: Utilize cable ties or other management solutions to keep cables organized and prevent obstruction of airflow.
- Airflow: The open-frame design and perforated top cover promote natural convection. Ensure adequate space around the rack for optimal air circulation.
- Monitoring: The translucent side panels allow for visual inspection of device indicators without opening the rack.
5. Maintenance
Regular maintenance ensures the longevity and optimal performance of your server rack.
- Cleaning: Periodically wipe down the steel frame and acrylic panels with a soft, damp cloth. Avoid abrasive cleaners that may scratch the surfaces.
- Dust Removal: Use compressed air or a soft brush to remove dust from perforated areas and equipment.
- Screw Tightness: Periodically check all screws and fasteners to ensure they remain tight. Re-tighten if necessary to maintain structural integrity.
- Panel Inspection: Inspect side panels for any cracks or damage. Replace if integrity is compromised.
6. Troubleshooting
This section addresses common issues you might encounter.
- Rack Instability:
- Ensure all screws are securely tightened.
- Verify the rack is placed on a flat, stable surface.
- Check that equipment weight is evenly distributed.
- Overheating Equipment:
- Ensure no cables are obstructing airflow through perforated panels.
- Verify adequate clearance around the rack for air circulation.
- Consider adding external cooling fans if necessary, especially for high-density setups.
- Difficulty Mounting Equipment:
- Ensure you are using the correct 10-32 screws and cage nuts for rack-mountable equipment.
- Verify the equipment is indeed 10-inch rack-compatible.
7. Specifications

Figure 7.1: Product Dimensions and Key Specifications
| Attribute | Detail |
|---|---|
| Brand | Tecmojo |
| Model | 12U/10in |
| Color | White |
| Product Dimensions (D x W x H) | 10.23"D x 11.02"W x 25.03"H (260mm D x 280mm W x 635.8mm H) |
| Material | Alloy Steel (Frame), Acrylic (Side Panels) |
| Weight Capacity | 132 lbs (60 kg) |
| Item Weight | 13.6 Pounds |
| Mounting Type | Rack Mount |
| Compatible Devices | 10-inch Server, IT Equipment, A/V Devices, Raspberry Pi |
| Assembly Required | Yes |
8. Warranty Information
This Tecmojo product is covered by a 3-year manufacturer's warranty. This warranty covers defects in materials and workmanship under normal use. It does not cover damage resulting from improper installation, accident, misuse, abuse, natural disaster, or unauthorized modification. For warranty claims, please contact Tecmojo customer support.
9. Support
For technical assistance, troubleshooting, or general inquiries, please contact Tecmojo customer support:
- Email: Sales@tecnmojo.com
- Phone: 806-878-mojo (6656)
- Website: www.tecnmojo.com
You can also visit the Tecmojo Official Store on Amazon for additional product information and support resources.
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