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Level One GTL-2891 28-Port Stackable L3 Managed Gigabit Switch, 2 x 10-Gigabit SFP+, 1 x 10-Gigabit Module Slot

24 x 10/100/1000Mbps RJ45 PoE port 2 x 10G SFP port 1 x RJ45 Console port 1 Slots for 2 x 10G Stacking /Uplink


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GTL-2891

Last update: 2019-08-07 16:03:03


LEVELONE

GTL-2891

The GTL-2891 are a family of high-performance Gigabit Ethernet Layer 3 switches featuring 28 ports; with 24 10/100/1000BASE-T ports, 10G SFP+ ports, and one 10G dual port expansion slot. The switches are ideal for high-performance server aggregations, such as enterprise data centers, where they can connect high-end or network-attached files servers over fiber ports. They can also be deployed as backbone upgrade, or to provide Gigabit–to-the-desktop for power users.  These switches are packed with features and are a cost-effective solution that bring continuous availability, enhanced security, and  advanced QoS to the network edge, while maintaining simplicity of management.

Key Features

  • Dynamic ARP Inspection (DAI) protects switches against ARP spoofing
  • Stacking up to 8 switches in one stack
  • Support Operations, Administration, and Maintenance (OAM) mechanisms
  • Ethernet Ring Protection Switching (ERPS) for Ethernet ring topologies with sub-50 ms failover capabilities
  • IEEE 802.1d/w Spanning Tree Protocol (STP) and port mirroring
  • IEEE 802.3ad LACP for auto port aggregation
  • Supports port-based VLAN, IEEE 802.1Q VLAN Tagging
  • QoS control for traffic prioritization and bandwidth management

Package Contents

  • GTL-2891
  • Power Cord
  • 19" Rack Mount Kit
  • Rubber Feet
  • Quick Installation Guide
  • Resource CD (User Manual, QIG)
  • Console Cable

Specifications:

Standards & Protocols:

IEEE 802.1p Quality of Service (QoS)
IEEE 802.1x port authentication
IEEE 802.3x Ethernet frame start and stop requests
and timers used for flow control on full-duplex links
IEEE 802.3u CSMA/CD access method and physical 
layer specifications for 100 BASE-TX Fast Ethernet
IEEE 802.3z CSMA/CD access method and physical
layer specifications for 1000 BASE Gigabit Ethernet
IEEE 802.1q Virtual LAN
IEEE 802.1d Spanning Tree Protocol
IEEE 802.3ad Link Aggregation Control Protocol (LACP)
IEEE 802.1s Rapid Spanning Tree Protocol
IEEE 802.1w Multiple Spanning Tree Protocol
 
Memory:
Flash Memory : 128 MB
DRAM : 256 MB
 
Buffer Memory:
1.5 MB
 
Connectors and Cabling:
24 x 10/100/1000Mbps RJ45 PoE port
2 x 10G SFP port 
1 x RJ45 Console port
1 Slots for 2 x 10G Stacking /Uplink
 
Indicator:
LED indicaters : Port, Uplink, System, Diagnoustic
 
Transmission Method:
Store and Forward
 
Power Input:
AC Input : 100 to 240 V, 50-60 Hz, 1.5 A
 
Power Consumption:
35 W

Datasheet

hp3com_480x60.jpg

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