MikroTik Cloud Router Switch CRS354-48G-4S+2Q+RM User Manual

1. Introduction

This manual provides essential information for the installation, configuration, and operation of the MikroTik Cloud Router Switch CRS354-48G-4S+2Q+RM. This device is a high-performance network switch designed for complex network environments, featuring 48 Gigabit Ethernet ports, 4 SFP+ ports, and 2 QSFP+ ports, operating with a RouterOS L5 license.

2. Safety Information

Please read these safety instructions carefully before operating the device. Failure to do so may result in damage to the device or personal injury.

• Always disconnect the power cable before cleaning or servicing the device.
• Ensure proper ventilation to prevent overheating. Do not block ventilation openings.
• This device is intended for indoor use only. Do not expose it to water, moisture, or high humidity.
• Use only the power supply specified for this device.
• Installation should be performed by qualified personnel in accordance with local electrical codes.

3. Package Contents

Verify that all items listed below are included in your product package. If any items are missing or damaged, please contact your vendor.

• MikroTik Cloud Router Switch CRS354-48G-4S+2Q+RM
• Rackmount brackets (L-shaped)
• Cable management brackets (U-shaped)
• Mounting screws
• Power cable

Figure 3.1: The MikroTik Cloud Router Switch CRS354-48G-4S+2Q+RM, shown from an angled perspective, highlighting its compact rack-mountable design and port layout.

Figure 3.2: Standard power cable included with the device, used to connect the switch to an AC power source.

Figure 3.3: Set of mounting screws provided for securing the rackmount brackets to the switch and for rack installation.

Figure 3.4: An L-shaped metal bracket used for mounting the switch into a standard server rack.

Figure 3.5: A U-shaped metal bracket designed for cable management, helping to organize network cables connected to the switch.

4. Product Overview

The MikroTik CRS354-48G-4S+2Q+RM is a powerful 1U rackmount switch designed for high-density network deployments. It combines advanced switching capabilities with the flexibility of RouterOS.

4.1 Front Panel Layout

Figure 4.1: The front panel of the switch, displaying 48 Gigabit Ethernet ports, 4 SFP+ ports, 2 QSFP+ ports, and console/management ports.

• 48x Gigabit Ethernet Ports: Standard RJ45 ports for 10/100/1000 Mbps connections.
• 4x SFP+ Ports: 10 Gigabit Small Form-Factor Pluggable Plus ports for high-speed fiber or copper connections.
• 2x QSFP+ Ports: 40 Gigabit Quad Small Form-Factor Pluggable Plus ports for ultra-high-speed uplinks.
• Console Port: RJ45 serial console port for direct management access.
• LED Indicators: Power, user-configurable, and network activity LEDs.

4.2 Rear Panel Layout

Figure 4.2: The rear panel of the switch, showing redundant power supply inputs and cooling fan modules.

• Dual AC Power Inputs: For redundant power supply connections.
• Cooling Fans: Integrated fans for thermal management.

5. Setup

5.1 Rack Mounting

1. Attach the L-shaped rackmount brackets to the sides of the switch using the provided screws.
2. Secure the switch into a standard 19-inch server rack using appropriate rack screws (not included).
3. Optionally, attach the U-shaped cable management brackets to the front or rear of the rack to organize network cables.

5.2 Power Connection

Connect the provided power cable to one of the AC power inputs on the rear panel of the switch and then to a suitable power outlet. For redundancy, connect a second power cable to the other input and a separate power source.

5.3 Initial Network Connection

To access the device for initial configuration, connect a computer to any of the Gigabit Ethernet ports using a standard Ethernet cable. The device will typically obtain an IP address via DHCP or use a default fallback IP address (e.g., 192.168.88.1).

6. Operating

6.1 Accessing RouterOS

The MikroTik CRS354-48G-4S+2Q+RM runs RouterOS, a versatile operating system for MikroTik devices. You can access and configure RouterOS using several methods:

• WinBox: A dedicated Windows utility for graphical configuration. Download it from the MikroTik website.
• WebFig: A web-based graphical interface accessible via a web browser (e.g., by entering the device's IP address).
• CLI (Command Line Interface): Accessible via SSH, Telnet, or the serial console port for advanced configuration.

6.2 Basic Configuration

Upon first access, it is recommended to:

1. Set a strong password for the administrator user.
2. Configure network interfaces (IP addresses, VLANs).
3. Update RouterOS to the latest stable version.
4. Review and adjust switch chip settings for optimal performance.

7. Maintenance

7.1 Firmware Updates

Regularly check the MikroTik website for RouterOS updates. Updating the firmware ensures access to the latest features, security patches, and performance improvements. Updates can be performed via WinBox, WebFig, or CLI.

7.2 Cleaning

Keep the device clean and free from dust. Use a soft, dry cloth for cleaning the exterior. Ensure ventilation openings are clear of obstructions. Do not use liquid cleaners or aerosols.

7.3 Environmental Considerations

Operate the device within its specified temperature and humidity ranges to ensure longevity and stable performance. Avoid direct sunlight and extreme temperature fluctuations.

8. Troubleshooting

If you encounter issues with your CRS354-48G-4S+2Q+RM, consider the following steps:

• No Power: Verify that the power cable is securely connected and the power outlet is functional. Check for power supply unit (PSU) status indicators if available.
• No Network Connectivity: Check cable connections to ports. Verify port status LEDs. Ensure correct IP configuration on connected devices and the switch.
• Device Unresponsive: Try accessing the device via a different method (e.g., WinBox if WebFig fails, or console if both fail).
• Factory Reset: If configuration issues persist, a factory reset may be necessary. Locate the reset button (usually a small pinhole) and follow the manufacturer's instructions for a hard reset. Warning: This will erase all configurations.

9. Specifications

Key technical specifications for the MikroTik Cloud Router Switch CRS354-48G-4S+2Q+RM:

10. Warranty and Support

For warranty information, please refer to the terms and conditions provided by MikroTik or your authorized reseller at the time of purchase. Technical support and additional resources, including documentation and software downloads, are available on the official MikroTik website: mikrotik.com/support.