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Black 1U rackmount network switch with 24 RJ-45 ports and 2 SFP slots

Black Box Innovations

Black Box Innovations LGB2126A 26-port Gigabit network switch

SKU CH-Q9AR-JD33G MPN LGB2126A

A managed 26-port Gigabit switch with 24 RJ-45 ports, two SFP uplinks, VLAN, QoS and 802.1X security in a 1U rackmount chassis

  • Network Management TypeManaged
  • Package ContentsLGB2126A Switch (1) AC Power Cord (4) Adhesive Rubber Feet R
  • Managed switch with 24 Gigabit RJ-45 ports plus two SFP uplinks for fibre expansion
  • Web-based management and SNMP v1/v2c simplify monitoring and configuration of every port
  • VLAN support with 802.1Q tagging, port-based, private and MAC-based options for traffic segmentation
  • 1p Layer 2 QoS prioritises VoIP and video streams during congestion
  • IEEE 802.3az energy-efficient Ethernet cuts power draw by up to 50 % during low activity

26-port managed Gigabit switch

The Black Box Innovations LGB2126A is a managed Gigabit Ethernet switch with 24 autosensing RJ-45 ports and two SFP slots for fiber uplinks. It supports Layer 2 management, up to four simultaneous VLANs, 802.1p QoS, 802.1X access control, SSH, SSL and SNMP v1/v2c. The unit is TAA compliant and ships with rackmount hardware for 1U installation.

Rackmount 1U form factor with dual SFP uplinks

The 1U chassis fits a standard rack using the included brackets and screws, or sits on a shelf with the adhesive rubber feet. Twenty-four copper ports handle 10/100/1000 Mbps connections to endpoints such as PCs, IP phones and cameras. Two SFP slots accept Gigabit transceivers for fiber links to a core switch or another floor, freeing copper ports for access devices.

Upgrade from unmanaged

Replacing an unmanaged switch adds VLAN segmentation, QoS prioritisation for VoIP and video, and port-based authentication for security. Moving from Fast Ethernet uplinks to Gigabit SFP fiber removes the 100 Mbps bottleneck between wiring closets. The jump is worth it when you need managed features, fiber reach beyond 100 metres, or 802.3az energy savings during low-traffic periods.

Highlights

  • Managed switch with 24 Gigabit RJ-45 ports plus two SFP uplinks for fibre expansion
  • Web-based management and SNMP v1/v2c simplify monitoring and configuration of every port
  • VLAN support with 802.1Q tagging, port-based, private and MAC-based options for traffic segmentation
  • 1p Layer 2 QoS prioritises VoIP and video streams during congestion
  • IEEE 802.3az energy-efficient Ethernet cuts power draw by up to 50 % during low activity

Specifications

BrandBlack Box
ModelLGB2126A
Part NumberLGB2126A
Network Management TypeManaged
Package ContentsLGB2126A Switch
(1) AC Power Cord
(4) Adhesive Rubber Feet
Rackmount Hardware (2 brackets, 6 screws)
Quick Installation Guide
Shipping weight2.50 kg
Package size361 × 330 × 89 mm

Questions about this item

How many VLANs can the LGB2126A handle at once?

The switch supports up to four simultaneous VLANs using port-based, 802.1Q tag-based, management, private or MAC-based segmentation.

What is the maximum power saving the 802.3az feature can deliver?

IEEE 802.3az energy-efficient Ethernet scales consumption during low traffic and can yield savings of up to 50%.

Which SFP transceivers are needed for the two fiber uplink ports?

The two SFP slots accept SFP+ transceivers for Gigabit fiber uplinks; they are not included with the switch.

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