Linksys LGS328MPC 24-Port Managed Gigabit PoE+ Switch User Manual

Product Overview

The Linksys LGS328MPC is a 24-port managed Gigabit Power over Ethernet Plus (PoE+) switch designed for robust network environments. It provides advanced traffic management, security, and quality of service (QoS) features to ensure optimal performance for connected devices. This switch is suitable for businesses requiring reliable network connectivity and power delivery to devices such as IP cameras, VoIP phones, and wireless access points.

Front view of the Linksys LGS328MPC switch, showing the 24 Gigabit Ethernet ports and 4 SFP+ uplink ports.

Key Features

• 24 Gigabit Ethernet PoE+ ports for high-speed data and power delivery.
• 4 10G SFP+ uplinks for high-bandwidth connections to other switches or servers.
• Managed switch capabilities for advanced network control and configuration.
• Robust metal casing for durability.

Package Contents

Verify that all items are present in the package:

• Linksys LGS328MPC 24-Port Managed Gigabit PoE+ Switch
• Power cord
• Rackmount kit (if applicable)
• Quick Start Guide

Setup Instructions

Physical Installation

1. Placement: Position the switch on a stable, flat surface or install it in a standard 19-inch equipment rack using the provided rackmount kit. Ensure adequate ventilation around the switch to prevent overheating.
2. Power Connection: Connect the power cord to the switch's power inlet and then to a grounded electrical outlet.

Network Connection

1. Connecting Devices: Connect your network devices (e.g., computers, IP cameras, VoIP phones) to the 24 Gigabit Ethernet PoE+ ports using standard Ethernet cables. The switch will automatically detect and provide power to compatible PoE/PoE+ devices.
2. Uplink Connections: For high-speed connections to your core network or other switches, use the 4 10G SFP+ uplink ports. Insert compatible SFP+ transceivers (fiber or DAC) into these ports and connect them to your network infrastructure.

Initial Configuration

1. Accessing the Web Interface: Connect a computer to any of the switch's Gigabit Ethernet ports. The switch typically obtains an IP address via DHCP. If no DHCP server is present, it may revert to a default IP address (refer to the Quick Start Guide for specifics, commonly 192.168.1.254). Open a web browser and enter the switch's IP address to access the web-based management interface.
2. Login: Enter the default username and password (usually 'admin' for both, or as specified in the Quick Start Guide). It is recommended to change the default password immediately after the first login.
3. CLI Access: For advanced users, the switch supports Command Line Interface (CLI) access via a serial console port. This allows for detailed configuration and management.

Operating Instructions

Basic Management

• Dashboard: The web interface dashboard provides an overview of the switch's status, including port activity, CPU utilization, and system logs.
• Port Status: Monitor the link status, speed, and PoE power consumption for each port.
• System Settings: Configure basic network settings such as IP address, hostname, and time.

Advanced Features

• VLAN Configuration: Create and manage Virtual Local Area Networks (VLANs) to segment network traffic and enhance security.
• PoE+ Management: Configure PoE settings per port, including power priority and maximum power allocation, to efficiently manage power delivery to connected devices.
• Link Aggregation (LACP): Combine multiple physical links into a single logical link to increase bandwidth and provide redundancy for critical connections.
• Quality of Service (QoS): Prioritize network traffic for applications requiring low latency, such as VoIP and video streaming.
• Security Features: Implement security measures like Access Control Lists (ACLs), port security, and 802.1X authentication.

Maintenance

• Firmware Updates: Regularly check the Linksys support website for firmware updates. Applying the latest firmware ensures optimal performance, security, and access to new features.
• Cleaning: Keep the switch free from dust and debris. Use a soft, dry cloth for external cleaning. Do not use liquid cleaners or aerosols.
• Environmental Conditions: Ensure the switch operates within its specified temperature range (up to 50 degrees Celsius) and humidity levels. Avoid blocking ventilation openings.

Troubleshooting

• No Power: If the switch does not power on, verify that the power cord is securely connected to both the switch and a working electrical outlet. Check the power indicator LED on the switch.
• No Network Connectivity: Ensure Ethernet cables are properly connected to both the switch and the end devices. Check the link/activity LEDs on the switch ports. Verify IP address configurations on connected devices and the switch.
• Device Not Receiving PoE: Confirm that the connected device is PoE/PoE+ compatible. Check the switch's PoE budget and ensure that the total power draw of all connected PoE devices does not exceed the switch's maximum power output (410 Watts). Verify PoE settings for the specific port in the web interface.
• Web Interface Inaccessible: Ensure your computer is on the same network segment as the switch. Verify the switch's IP address and your computer's network settings. Try pinging the switch's IP address. Clear your browser's cache or try a different browser.
• Excessive Fan Noise: While the switch is designed for network environments, some users may experience fan noise. Ensure the switch is in a well-ventilated area. If the noise is unusually loud or persistent, consider contacting support.

Technical Specifications

Warranty and Support

The Linksys LGS328MPC switch comes with a 5 Year Warranty and Support. This warranty covers defects in materials and workmanship under normal use.

For technical assistance, troubleshooting, or to inquire about warranty service, please visit the official Linksys support website or contact Linksys customer service directly. Have your product model number (LGS328MPC) and serial number ready when contacting support.

You can find additional resources, FAQs, and firmware downloads on the Linksys Support Website.