22 Jan Die Wahl des richtigen 19 rack Schranks
Choosing the right 19 rack cabinet.. Would you like to buy a server cabinet or network cabinet? Or just the accessories for an existing 19″ cabinet? For experienced network technicians, choosing the right cabinet or accessories is straightforward. However, for those who rarely purchase a server or network cabinet, the process can be daunting. This guide will help you navigate the essential factors to consider when choosing a 19 rack cabinet. You can also contact us directly for personalized assistance.
Inhaltsübersicht
- What is a 19″ Network Cabinet?
- Differences Between Network and Server Cabinets
- Wall-Mounted Rack Cabinets
- Core Functions of Network and Server Cabinets
- Rack Cabinets for Polluted or Humid Environments
- Managing High Temperatures in Cabinets
- Cooling Solutions for Rack Cabinets
- Security Features of Rack Cabinets
- Tips for Choosing the Right Rack Cabinet
1. What is a 19" Network Cabinet?
A 19″ network cabinet is standardized to accommodate 19-inch components, equivalent to a width of 482.6 mm. This standard, known internationally as IEC 60297, is also recognized in Germany as DIN 41494. Network cabinets typically have widths of 600 or 800 mm and depths of 600 or 800 mm.
These cabinets feature front and rear 19″ profile rails, allowing the installation of devices with heights specified in units (U). Each U equals 44.45 mm, with common cabinet heights ranging from a few units to 47U (over 2 meters).
Key Features:
- Dimensions: Common widths are 600 mm and 800 mm, with depths of 600 mm, 800 mm, or more.
- Height Units (U): Equipment is measured in height units (U), where 1U equals 44.45 mm. Cabinets can range from a few units to as tall as 47U, which exceeds 2 meters.
- 19” Profile Rails: These allow for easy mounting of compatible devices.
2. Differences Between Network and Server Cabinets - Choosing the right 19 rack cabinet
Although network and server cabinets share similarities, they are designed for different purposes:
Depth: Server cabinets are typically deeper (800–1000 mm) to accommodate larger servers.
Weight Capacity: Server cabinets are built for heavier loads, with reinforced construction for added stability.
Cooling: Server cabinets often feature perforated doors and side panels for better airflow.
Safety Features: Anti-tip devices and floor anchoring options are common in server cabinets.
Cable Management: Server cabinets offer adjustable rails for optimal cable organization.
3. Wall-Mounted Rack Cabinets
For smaller setups or space constraints, wall-mounted rack cabinets are an excellent choice. These cabinets typically range from 4U to 20U in height and 400 mm to 600 mm in depth. Some models can support up to 100 kg of equipment.
Considerations for Wall-Mounted Cabinets:
- Payload Limits: Check the weight capacity to ensure it can handle your equipment.
- Installation: Ensure the wall structure is sturdy enough to support the cabinet and its contents.
- Ventilation: Choose a model with adequate cooling options to prevent overheating.
4. Core Functions of Network and Server Cabinets - Choosing the right 19 rack cabinet is not easy
Rack cabinets are essential for structured building cabling and centralized equipment management. Their primary functions include:
- Housing Active Components: Such as routers, switches, and servers.
- Protecting Passive Components: Like fiber optic splice boxes and patch fields.
- Ensuring Organization: By providing a structured layout for cables and devices.
- Facilitating Maintenance: Easy access for upgrades or repairs.
5. Rack Cabinets for Polluted or Humid Environments
In industrial or outdoor settings, environmental factors like dust and humidity can compromise equipment. Opt for cabinets with higher IP ratings to ensure protection:
- IP20/IP41: Suitable for standard indoor environments
- IP54 or Higher: Ideal for dusty or humid areas. These cabinets feature enhanced sealing to prevent ingress.
Additional Tips:
- Pair high-IP-rated cabinets with efficient cooling solutions to maintain optimal conditions.
- Regularly inspect seals and filters to ensure continued protection.
6. Managing High Temperatures in Cabinets
Excessive heat can damage sensitive equipment. To maintain an optimal temperature range (typically 25°C to 30°C):
- Identify Hotspots: Use thermal imaging or sensors to detect areas of concern.
- Ensure Proper Airflow: Arrange equipment to promote natural convection or forced ventilation.
- Install Cooling Solutions: Fans, air conditioners, or heat exchangers can help manage temperatures.
7. Cooling Solutions for Rack Cabinets
Cooling solutions vary based on the cabinet’s requirements:
- Slide-In Fans: Circulate air and release heat through the cabinet’s outer shell.
- Roof Fans: Draw cool air from the floor and expel warm air through the top.
- Air Conditioning Units: Suitable for cabinets with high IP ratings; they cool below room temperature but require airtight seals to prevent condensation.
- Air/Water Heat Exchangers: Efficiently dissipate heat directly at the source.
8. Security Features of Rack Cabinets
Rack cabinets protect components from unauthorized access. Consider the following features:
- Locks: Use key or advanced locking systems.
- Monitoring Systems: Detect and alert for moisture, fire, vibrations, or unauthorized access.
- EMC Shielding: Electromagnetic compatibility (EMC) cabinets prevent data breaches by blocking electromagnetic radiation.
- Fire Suppression: Install gas extinguishing systems like FM200 or Novec for added safety.
9. Tips for Choosing the Right Rack Cabinet
- Size Matters: Choose a cabinet larger than your current needs to allow for future expansion.
- Temperature Control: Ensure proper cooling to prevent equipment failure.
- Security: Select lockable cabinets with monitoring capabilities.
- Cable Management: Use structured cable clamps and rails for a clean setup.
- Quality vs. Cost: Invest in branded cabinets for long-term compatibility and durability.
Conclusion
Choosing the right 19 rack cabinet involves assessing your environment, equipment needs, and future expansion plans. Prioritize high-quality materials, proper cooling, and security features to ensure reliable performance. For more guidance, visit our product page or contact us directly.
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