Advanced Layer 3 Gigabit Switch
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The Allied Telesis AT-x900-12XT/S modular Gigabit Ethernet Layer 3 switch supports one high speed expansion bay, and is capable of being stacked.

XEM expansion modules offer 10GbE, gigabit fiber, gigabit copper, and stacking expansion options.


  • Allied Telesis Management Framework (AMF)
  • AlliedWare Plus™ feature-rich operating system
  • 12 x 10/100/1000T / SFP Combo ports
  • Full Layer 3 line rate routing
  • Bandwidth limiting
  • Port-based network access control IEEE 802.1x
  • VLANs IEEE 802.1Q
  • Private VLANs
  • IPv6 hardware
  • VLAN double tagging (Q-in-Q)
  • Link aggregation IEEE 802.3ad
  • Port mirroring
  • SSL and SSH
  • Trigger facility
  • Advanced QoS
  • Advanced multicasting
  • DSCP (DiffServ)
  • Rapid Spanning Tree IEEE 802.1w
  • Link aggregation IEEE 802.3ad
  • MEF Certified Compliant

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AlliedWare Plus

Fully Featured Layer 3 Operating System

AlliedWare Plus AlliedWare Plus is the next generation operating system from Allied Telesis. In keeping with the increasing sophistication of feature-rich Allied Telesis software, AlliedWare Plus employs a new modular approach to software creation and distribution. It represents a quantum shift in software development methodology, providing even more features and greater robustness from the operating system.

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Allied Telesis Management Framework (AMF)

AMF LogoBased on Software-Defined Networking (SDN) principles, AMF is an embedded technology native to Allied Telesis switches that delivers real and immediate value to businesses.

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