MikroTik CRS354-48P-4S+2Q+RM Switch

The MikroTik CRS354-48P-4S+2Q+RM Switch is a powerful and cost-effective solution designed for businesses and network administrators who need a reliable, high-performance switch with extensive PoE capabilities. This 48-port switch offers a robust combination of Layer 3 features, high-speed uplinks, and power over Ethernet (PoE) support, making it an ideal choice for enterprises, ISPs, and data centers. In this article, we will explore the specifications, features, advantages, applications, and additional insights about this high-capacity MikroTik network switch.

MikroTik CRS354-48P-4S+2Q+RM Switch

The MikroTik CRS354-48P-4S+2Q+RM is a rack-mounted switch that provides 48 Gigabit Ethernet ports, 4 SFP+ 10G ports, and 2 QSFP+ 40G ports for high-speed connectivity. One of its standout features is its PoE-out support, which allows users to power network devices such as IP cameras, access points, and VoIP phones directly through the Ethernet cables. Designed with a dual-core 650 MHz CPU and 64 MB RAM, this switch ensures stable and efficient operation even under heavy loads.

Key Features of MikroTik CRS354-48P-4S+2Q+RM

1. High Port Density

   • 48x 1G Ethernet ports for extensive device connectivity
   • 4x 10G SFP+ ports for fiber or high-speed uplinks
   • 2x 40G QSFP+ ports for ultra-fast backbone connections

2. Power over Ethernet (PoE) Support

   • Supports 802.3af/at PoE+ and Passive PoE
   • Maximum PoE power budget: 750W
   • Ideal for powering IP cameras, Wi-Fi APs, and VoIP phones

3. High-Speed Performance

   • Switching capacity: 168 Gbps
   • Forwarding rate: 126 Mpps
   • Non-blocking architecture ensures maximum performance

4. Advanced Routing and Layer 3 Features

   • Supports VLANs, STP/RSTP, MSTP, ACLs
   • Includes OSPF, BGP, and static routing
   • Configurable via RouterOS or SwOS

5. Flexible Management Options

   • Managed via MikroTik’s RouterOS or SwOS
   • Supports CLI, Web UI, WinBox, and API access
   • SNMP support for network monitoring

6. Efficient Cooling System

   • Dual-fan cooling system for optimal temperature regulation
   • Quiet operation compared to other enterprise switches

Advantages of MikroTik CRS354-48P-4S+2Q+RM

• Cost-Effective PoE Solution: Offers PoE on all 48 ports, reducing the need for separate power adapters
• Enterprise-Grade Performance: High-speed uplinks with SFP+ and QSFP+ ports for smooth data transfer
• Versatile Deployment Options: Suitable for offices, ISPs, data centers, and surveillance networks
• Flexible OS Selection: Can operate in RouterOS mode for advanced features or SwOS mode for simpler switching needs
• Reliable and Durable: Built with high-quality components for long-term stability

Applications of MikroTik CRS354-48P-4S+2Q+RM

• Office and Enterprise Networks – Connects and powers office devices like VoIP phones, printers, and access points.
• Internet Service Providers (ISPs) – Used as an aggregation switch to distribute high-speed internet to multiple clients.
• Data Centers – Provides high-speed 40G backbone connectivity for efficient data processing.
• Surveillance Systems – Powers and connects IP cameras in large-scale security setups.
• Wi-Fi Networks – Supports PoE-powered access points for seamless wireless coverage.

How to Choose Between RouterOS and SwOS?

The MikroTik CRS354-48P-4S+2Q+RM switch supports both RouterOS and SwOS, giving users flexibility based on their networking needs. Here’s how to decide which OS to use:

RouterOS – For Advanced Networking Features

Best for: Users who need Layer 3 functionality, such as routing, firewall, and traffic control.
Features:

• VLAN management, OSPF, BGP, and MPLS support
• Traffic shaping and firewall capabilities
• DHCP server, NAT, and VPN support
• More customization and detailed configuration options

Ideal for:

• Enterprise networks needing advanced routing
• ISPs managing complex traffic flows
• Security-conscious users who require firewall and NAT

SwOS – For Simple Switching Needs

Best for: Users who need a straightforward Layer 2 switch without extra complexity.
Features:

• VLAN support
• Basic port isolation and mirroring
• 802.1Q VLAN tagging
• Simple Web UI for easy management

Ideal for:

• Small businesses needing a plug-and-play switch
• LAN and data center aggregation without routing
• Users who prefer a lightweight, easy-to-use interface

Which One Should You Choose?

• If you need advanced Layer 3 routing, security, and traffic management → Choose RouterOS
• If you only need basic switching and VLAN features with a simple UI → Choose SwOS

The great part? You can switch between RouterOS and SwOS anytime in the settings, giving you flexibility as your network grows!

Power Consumption Considerations

While this switch supports a total PoE power budget of 750W, users must ensure their power source can handle the required load, especially in deployments with multiple high-power devices.

MikroTik CRS354-48P-4S+2Q+RM Technical Specifications

What’s in the Box? – MikroTik CRS354-48P-4S+2Q+RM

When you unbox the MikroTik CRS354-48P-4S+2Q+RM, you’ll find the following items:

• MikroTik CRS354-48P-4S+2Q+RM Switch – The main 48-port PoE+ switch with 10G and 40G uplinks.
• Power Cord – Standard AC power cable to power the switch.
• Rackmount Ears & Screws – Brackets and screws for mounting the switch in a 19″ rack.
• Rubber Feet – For desktop placement (if you don’t want to rack-mount it).
• Quick Start Guide – Basic instructions on how to set up and access the switch.

Note: SFP+ and QSFP+ modules are not included and must be purchased separately if needed.

MikroTik CRS354-48P-4S+2Q+RM vs. MikroTik CRS326-24G-2S+RM

If you’re deciding between the MikroTik CRS354-48P-4S+2Q+RM and the MikroTik CRS326-24G-2S+RM, the key differences come down to port count, PoE support, uplink options, and performance. Here’s a detailed comparison:

Which One Should You Choose?

• Choose the MikroTik CRS354-48P-4S+2Q+RM if you need PoE+ support, higher port density (48 vs. 24), 10G and 40G uplinks, and Layer 3 routing. Ideal for large businesses, ISPs, and data centers.
• Choose the MikroTik CRS326-24G-2S+RM if you need a basic Layer 2 switch with 10G uplinks for a smaller network and don’t need PoE. It’s a great choice for aggregation or distribution in enterprise networks.

If you need high power, more ports, and advanced networking features, the CRS354-48P-4S+2Q+RM is the winner!

Conclusion

The MikroTik CRS354-48P-4S+2Q+RM Switch is an excellent choice for businesses and enterprises looking for a high-performance PoE switch with advanced features and high-speed connectivity. With 48 Gigabit Ethernet ports, 4 SFP+ uplinks, and 2 QSFP+ backbone connections, it provides a flexible and scalable solution for various networking needs. Whether you’re setting up an office network, ISP infrastructure, or large-scale surveillance system, this switch delivers reliability, efficiency, and cost-effectiveness.

How to Set Up MikroTik CRS354-48P-4S+2Q+RM Switch

The MikroTik CRS354-48P-4S+2Q+RM is a powerful Layer 3 switch that supports RouterOS and SwOS. Below is a step-by-step guide to setting up the switch for the first time.

Step 1: Hardware Setup

Unbox the Switch and ensure you have the power cable, rackmount accessories, and necessary cables.
Connect to Power – Plug the switch into a power source using the included AC power cable.
Connect to Your Network – Use an Ethernet cable to connect your PC or laptop to one of the Gigabit Ethernet ports (e.g., port 1).

Step 2: Access the Web Interface

The switch comes with RouterOS and SwOS. You can choose which OS to use.

Option 1: Using RouterOS

Set your computer’s IP to 192.168.88.2 (or enable DHCP).
Open a web browser and enter http://192.168.88.1 (default IP).
Log in using:

• Username: admin
• Password: (leave empty by default)
  You’ll be directed to the WinBox/WebFig interface for further configuration.

Option 2: Using SwOS

Set your computer’s IP to 192.168.88.2.
Open a browser and go to http://192.168.88.1.
You’ll see the SwOS web management interface, where you can configure switch settings.

Step 3: Basic Configuration

A. Changing the Default Password

Go to System > Users.
Select the admin user and set a strong password.

B. Setting Up VLANs (If Needed)

1️⃣ In RouterOS, go to Bridge > VLANs and add VLANs.
2️⃣ In SwOS, go to VLAN tab and assign ports to VLANs.

C. Enabling PoE (If Needed)

• If you are powering devices like IP cameras or access points, go to Interfaces > PoE and enable PoE for the desired ports.

Step 4: Switching Between RouterOS and SwOS

Open WinBox or the Web Interface.
Go to System > RouterBOARD.
Find “Boot OS” and select either RouterOS or SwOS.
Click Apply and reboot the switch.

 Step 5: Save & Apply Changes

After configuring the switch, make sure to:
✅ Test network connectivity
✅ Reboot the switch if needed
✅ Backup your settings (in RouterOS: System > Backup)

Now your MikroTik CRS354-48P-4S+2Q+RM is set up and ready for action!