Black Box LGB5128A quick start Trademarks Used in this Manual/About this Manual

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Trademarks Used in this Manual/About this Manual

Trademarks Used in this Manual

Black Box and the Double Diamond logo are registered trademarks of BB Technologies, Inc.

Any other trademarks mentioned in this manual are acknowledged to be the property of the trademark owners.

About this Manual

This manual gives specific information on how to operate and use the management functions of the switch. The manual is intended for use by network administrators who are responsible for operating and maintaining network equipment; consequently, it assumes a basic working knowledge of general switch functions, Internet Protocol (IP), and Simple Network Management Protocol (SNMP).

Conventions

The following conventions are used throughout this guide to show information:

NOTE: Emphasizes important information or calls your attention to related features or instructions.

WARNING: Alerts you to a potential hazard that could cause personal injury.

CAUTION: Alerts you to a potential hazard that could cause loss of data, or damage the system or equipment.

Related Publications

For specific information on how to operate and use the management functions of the switch, visit www.blackbox.com and enter LGB5128A in the search bar, then download the user’s manual, or download the user’s manual from ftp://ftp.blackbox.com/anonymous/manuals/L/LGB5128A_USER_rev1.pdf.

For information about the command-line interface (CLI), visit www.blackbox.com and enter LGB5128A in the search bar, then download the CLI guide, or download the CLI guide from ftp://ftp.blackbox.com/anonymous/manuals/L/LGB5128A_USER_rev1.pdf.

Cable Types

You may use unshielded twisted-pair (UTP) for RJ-45 connections —Category 3 or better for 10-Mbps connections; Category 5 or better for 100-Mbps connections; Category 5, 5e, or 6 for 1000-Mbps connections. For fiber optic connections, you may use 50-/125- or 62.5-/125-micron multimode fiber or 9-/125-micron single-mode fiber.

We‘re here to help! If you have any questions about your application or our products, contact Black Box Tech Support at 724-746-5500 or go to blackbox.com and click on “Talk to Black Box.”

You’ll be live with one of our technical experts in less than 60 seconds.

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724-746-5500 blackbox.com

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Contents SFP Managed Switch Eco Quick Start Guide About this Manual Trademarks Used in this Manual/About this ManualTrademarks Used in this Manual FCC and IC RFI Statements/CE Mark EMCSafety Instructions Safety InstructionsNOM Statement Table of Contents Specifications SpecificationsIeee 802.3z = 1000BASE-X Ethernet Overview Introduction Front and Side Panels of the SwitchOverview What’s IncludedOperation of Web-based Management Switch ArchitectureNetwork Management Options SFP Transceiver Slots Hardware DescriptionHardware Description 1000BASE-T Ports Port and System Status LEDsPower Supply Sockets System Status LEDs on the front panelEthernet Cabling Installing the SwitchInstalling the Switch Selecting a Site Rackmounting Equipment ChecklistMounting Installing the switch in a rack Installing an Optional SFP Transceiver Desktop or Shelf MountingConnecting to an AC Power Source Fiber Optic SFP+ Devices Connecting to a DC Power SourceWiring Map for Serial Cable Powered on Connectivity Rules11 1000BASE-T Cable Requirements 12 1000-Mbps Gigabit Ethernet Collision DomainBlackbox.com Blackbox.com Blackbox.com Black Box Tech Support FREE! Live /7

LGB5128A, Black Box SFP Managed Switch Eco specifications

The Black Box LGB5128A, known for its robust design and advanced capabilities, is a standout component in the realm of network switches. Specifically, it is a managed switch that brings forth a spectrum of features tailored to enhance performance for various networking needs. Built to accommodate the demands of modern enterprises, the LGB5128A combines efficiency with scalability.

At its core, the LGB5128A is equipped with 28 ports, featuring a combination of 24 Gigabit Ethernet ports and 4 specialized SFP (Small Form-factor Pluggable) ports. This configuration allows users to enjoy flexibility in connectivity options, supporting copper and fiber connections. Its ability to seamlessly integrate into existing infrastructures makes it an ideal choice for businesses planning to expand their networks without a complete overhaul.

One of the defining features of the Black Box LGB5128A is its managed switch capabilities. Administrators can easily configure, monitor, and manage the network through a user-friendly interface. This includes web-based management, Command Line Interface (CLI), and SNMP support, providing multiple layers for network management. Advanced features such as VLAN, QoS (Quality of Service), and Link Aggregation ensure that data traffic is efficiently handled and prioritized, improving overall network performance.

The LGB5128A also emphasizes security with features like 802.1X port-based authentication, providing a robust framework to prevent unauthorized access. Moreover, it supports IGMP snooping, which optimizes multicast traffic, ensuring that bandwidth is used effectively. Another important characteristic is its redundancy support, including Rapid Spanning Tree Protocol (RSTP), which reinforces network reliability and uptime.

In terms of technological advancements, the managed switch incorporates features such as Power over Ethernet (PoE) capabilities in some models, enabling seamless power delivery to connected devices. This is particularly beneficial for powering devices like IP cameras and VoIP phones without the need for additional power sources.

Overall, the Black Box LGB5128A managed switch stands out in the networking landscape with its extensive features, security measures, and scalability options. Its blend of performance, flexibility, and management capabilities makes it an exceptional choice for businesses aiming to enhance their networking infrastructure while ensuring peak performance and security.