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Black Box LGB1126A-R2 Gigabit Managed Ethernet Switch - 26-Port Layer 2 - 24x RJ-45 + 2x SFP - Rack-Mountable
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Product Features
Technical Overview
This switch operates at Gigabit Ethernet speeds, supporting 10/100/1000Base-T for copper connections and 1000Base-X for fiber. The two shared SFP slots enable flexible uplink configurations using optical fiber for longer-distance runs or high-bandwidth backbone links.
Layer 2 support provides essential switching features like VLANs, QoS, and spanning tree protocol for network segmentation and traffic management. The built-in power supply ensures stable operation, though redundant power is not supported.
Relevant factors for this section include Total Number of Network Ports, Uplink Port, Modular, Media Type Supported. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.
A strong technical summary explains how the product's interfaces, hardware profile, and operating characteristics work together in real deployment. Buyers often need this context to confirm compatibility with existing devices, expected performance in daily use, and whether installation will be straightforward for IT staff or end users.
Key Product Advantages
The rack-mountable 1U form factor integrates seamlessly into standard server cabinets, saving space while providing easy access for cabling and maintenance. TAA compliance ensures eligibility for U.S. government contracts and regulated procurement scenarios.
These strengths make the product easier to deploy and manage in real environments, especially where reliability, usability, and day-to-day operational continuity matter. Notable benefits include Scalable Port Density, Managed Control.
Scalable Port Density
With 24 copper ports and two SFP slots, this switch accommodates growing network demands while offering fiber uplink flexibility for backbone or long-distance connections.
Managed Control
Full manageability allows network administrators to configure VLANs, monitor traffic, implement security policies, and optimize performance through a web interface or CLI.
Deployment / Use Cases
Ideal for environments requiring a balance of copper access ports and fiber uplink capabilities, such as educational campuses, retail backbones, or branch offices. The switch supports cascading through uplink ports to expand network coverage without compromising performance.
Relevant factors for this section include Total Number of Network Ports, Uplink Port, Modular, Media Type Supported. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.
Small to Medium Business Core Switching
Deploy as a core switch in office networks, connecting workstations, printers, and servers with Gigabit speeds and managed features for traffic control and security.
Fiber Uplink Aggregation
Use the SFP slots to link to other switches or network segments over fiber, extending reach beyond copper limitations and supporting high-data-rate backbone connections.
Physical Profile
The switch measures 1.70" (43.18 mm) in height, 17.40" (441.96 mm) in width, and 8.30" (210.82 mm) in depth, fitting standard 19" rack mounts. Its compact 1U design optimizes rack space, while the approximate weight of 5.50 lb (2494.76 g) ensures easy handling during installation.
The physical profile is practical for deployment planning because the dimensions and weight are clearly defined: 1.70" (43.18 mm), 17.40" (441.96 mm), 8.30" (210.82 mm), 5.50 lb (2494.76 g). This helps confirm rack, shelf, desk, or cabinet fit before installation.
- Width
- 17.40" (441.96 mm)
- Depth
- 8.30" (210.82 mm)
- Height
- 1.70" (43.18 mm)
- Weight
- 5.50 lb (2494.76 g)
What's in the Box
The package includes all essentials for immediate deployment and management.
Package contents include (1) AC power cord (1) 19" rackmount kit (1) DB9 to RJ-45 console cable (1) URL direction sheet for quick start guide, user manual, and CLI, (1) AC power cord. These included items support setup, installation, and immediate deployment without needing to source the core bundled accessories separately.
Highlights
- 26 total network ports: 24 Gigabit RJ-45 and 2 SFP slots
- Layer 2 managed switching for VLANs, QoS, and traffic control
- Supports both twisted-pair and optical fiber media
- Rack-mountable 1U form factor for standard server cabinets
- TAA compliant for government and regulated procurement
- Includes rackmount kit, console cable, and power cord
- Gigabit Ethernet speeds (10/100/1000Base-T and 1000Base-X)
- Built-in power supply for reliable operation
- Modular design with shared SFP slots for uplink flexibility
- One-year limited warranty
Specifications
| Specifications | |
|---|---|
| Manufacturer | Black Box Corporation |
| Manufacturer Part Number | LGB1126A-R2 |
| Brand Name | Black Box |
| Product Name | Gigabit Managed Ethernet Switch - 26-Port |
| Packaged Quantity | 1 |
| Product Type | Ethernet Switch |
| Interfaces/Ports | |
| Total Number of Network Ports | 26 |
| Uplink Port | Yes |
| Modular | Yes |
| Stack Port | No |
| Port/Expansion Slot Details | 24 x Gigabit Ethernet Network,2 x Gigabit Ethernet Expansion Slot |
| Media & Performance | |
| Media Type Supported | Twisted Pair,Optical Fiber |
| Ethernet Technology | Gigabit Ethernet |
| Network Technology | 1000Base-X,10/100/1000Base-T |
| I/O Expansions | |
| Total Number of Expansion Slots | 2.0 |
| Expansion Slot Type | SFP |
| Shared SFP Slot | Yes |
| Number of SFP Slots | 2 |
| Network & Communication | |
| Layer Supported | 2 |
| Management & Protocols | |
| Manageable | Yes |
| Power Description | |
| Power Source | Power Supply |
| Redundant Power Supply Supported | No |
| Physical Characteristics | |
| Form Factor | Rack-mountable |
| Height | 1.70" (43.18 mm) |
| Width | 17.40" (441.96 mm) |
| Depth | 8.30" (210.82 mm) |
| Weight (Approximate) | 5.50 lb (2494.76 g) |
| Miscellaneous | |
| Package Contents | (1) AC power cord (1) 19" rackmount kit (1) DB9 to RJ-45 console cable (1) URL direction sheet for quick start guide, user manual, and CLI |
| Country of Origin | Taiwan |
| TAA Compliant | Yes |
| Warranty | |
| Limited Warranty | 1 Year |
User Manual
FAQ
How many ports does this switch have, and what types are they?
The Black Box LGB1126A-R2 has 26 total network ports. This includes 24 Gigabit Ethernet RJ-45 ports for copper connections and two SFP expansion slots for fiber uplinks. The SFP slots are shared, allowing flexible use with compatible SFP modules for optical fiber or copper transceivers.
Is this a managed or unmanaged switch?
This is a fully managed Layer 2 switch. It supports configuration through a web interface or command-line interface (CLI), enabling features like VLANs, Quality of Service (QoS), port monitoring, and spanning tree protocol for enhanced network control, security, and performance optimization.
What does Layer 2 support mean for this switch?
Layer 2 support refers to data link layer switching capabilities, which include MAC address learning, VLAN segmentation, and basic traffic management. This allows the switch to efficiently direct network traffic within a local network, improve security by isolating broadcast domains, and support protocols like STP for loop prevention.
Can I use fiber optic connections with this switch?
Yes, the switch supports optical fiber connections through its two SFP slots. These slots accept standard SFP modules for fiber optic cables, enabling uplinks to other network devices over longer distances or for high-bandwidth backbone links. It also supports twisted-pair copper cables via the RJ-45 ports.
Is this switch rack-mountable, and what are its dimensions?
Yes, the switch is designed for rack mounting with a 1U form factor. Its dimensions are 1.70" (43.18 mm) in height, 17.40" (441.96 mm) in width, and 8.30" (210.82 mm) in depth. It includes a 19" rackmount kit in the package for easy installation into standard server racks or cabinets.
What is included in the package with this switch?
The package contains an AC power cord, a 19" rackmount kit for installation, a DB9 to RJ-45 console cable for management access, and a URL direction sheet providing links to the quick start guide, user manual, and CLI documentation. This ensures you have all necessary components for setup and operation.
| Qty | Price | Available |
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