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Allied Telesis AT-x250-18XS L3 switch front view showing 18 ports and console
Allied Telesis AT-x250-18XS L3 switch front view showing 18 ports and console
Allied Telesis brand logo for AT-x250-18XS managed network switch
Allied Telesis AT-x250-18XS 10G switch angled view with SFP+ ports
Allied Telesis AT-x250-18XS 10G L3 switch front panel with SFP+ ports
Rack-mountable Allied Telesis AT-x250-18XS network switch with console port
Allied Telesis AT-x250-18XS 18-port 10G switch showing port layout
Allied Telesis AT-x250-18XS L3 rack-mountable switch manufacturer logo with solid red emblem
Allied Telesis AT-x250-18XS 18-port 10G switch brand mark featuring striped red circle icon
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Allied Telesis AT-x250-18XS 18x10G L3 Rack-mountable Switch


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Product Code: SWHO-836

MPN #: AT-x250-18XS-50

Network bottlenecks can cripple your business, causing delays and lost revenue. The Allied Telesis AT-x250-18XS 18x10G L3 Rack-mountable Switch delivers high-speed, reliable connectivity for demanding environments, giving you the control and performance needed to keep data flowing smoothly.

Allied Telesis AT-x250-18XS 18x10G L3 Rack-mountable Switch - the answer to congestion and complexity

When traffic spikes or multiple applications compete for bandwidth, you need a switch that can handle the load without compromising stability. This model tackles those issues by offering Layer 3 routing, extensive management features and robust stacking capability, ensuring that your network remains fast, secure and easy to administer. It solves the pain of sluggish links and tangled configurations, letting you focus on productivity rather than troubleshooting.

Usages of Allied Telesis AT-x250-18XS 18x10G L3 Rack-mountable Switch

Ideal for a range of professional settings:

  • Core networking in small to medium data centres where space is at a premium.
  • Aggregation layer in office buildings linking multiple floor switches.
  • High-performance uplink for server farms requiring 10 Gigabit connectivity.
  • Edge deployment in industrial sites that need rugged, temperature-tolerant hardware.
  • Test and development labs that demand flexible, managed switching with advanced features.

Key Features of Allied Telesis AT-x250-18XS 18x10G L3 Rack-mountable Switch
  • Form factor: Rack-mountable. Compact design fits standard 19-inch racks, saving valuable space.
  • Ports Qty: 18. Provides a mix of 1 GbE and 10 GbE SFP+ ports for versatile connectivity.
  • Jumbo Frame Support: 10KB. Allows larger packets to reduce overhead on high-throughput links.
  • Switching capacity: 360 Gbps. Handles heavy traffic loads with ample headroom.
  • Forwarding performance: 267.9 Mpps. Delivers wire-speed packet processing for low latency.
  • Latency (10 Gbps): 1.84 µs. Ensures rapid response for time-critical applications.
  • Power: AC 100-240 V (50/60 Hz) internal supply. Simplifies installation with universal voltage.
  • Dimensions: 1.7 in H × 8.3 in W × 13.6 in D, weight 5.95 lbs. Easy to mount and handle.
  • Environmental range: 32 °F - 122 °F, 5-90 % RH non-condensing. Operates reliably in varied climates.
  • Management: Fully manageable with extensive L2/L3 features, including VLANs, ACLs and QoS. Gives you granular control over traffic flow.

Benefits of Allied Telesis AT-x250-18XS 18x10G L3 Rack-mountable Switch

You gain a network backbone that scales with your business, delivering the speed required for modern applications while keeping latency to a minimum. The built-in Layer 3 routing reduces the need for separate routers, simplifying your architecture and cutting costs. Robust stacking and high switching capacity mean you can add more switches without sacrificing performance, ensuring future growth is painless. Comprehensive security and management tools protect your data and make everyday administration straightforward, freeing you to concentrate on core tasks rather than network headaches.


Specifications
Miscellaneous
Miscellaneous / Color CategoryGray
Miscellaneous / Included AccessoriesAccessory kit, power cord retention clip
Miscellaneous / Compliant StandardsPlug and Play, SFF-8472, ETSI EN 300 386, ETSI EN 300 132-2, FCC Class A certified, VCCI Class A, EN55024, EN 61000-3-2, UL 62368-1, CAN/CSA-C22.2 No. 60950-1-03, EN 60950-1, EN 60825-1, AS/NZS 60950-1, UL, cUL, EU RoHS, China RoHS
Networking
Networking / ManageableYes
Networking / Form FactorRack-mountable
Networking / Ports Qty18
Networking / SubcategoryNetwork hubs and switches
Networking / TypeSwitch
Networking / Jumbo Frame Support10KB
Networking / Subtype10 Gigabit Ethernet
Networking / Advanced SwitchingLayer 3
Header
Header / Modelx250-18XS
Header / Product LineAllied Telesis AT
Header / Packaged Quantity1
Dimensions & Weight
Dimensions & Weight / Height1.7in
Dimensions & Weight / Width8.3in
Dimensions & Weight / Depth13.6in
Dimensions & Weight / Weight5.95lbs
Environmental Parameters
Environmental Parameters / Min Operating Temperature32 °F
Environmental Parameters / Max Operating Temperature122 °F
Environmental Parameters / Humidity Range Operating5 - 90% RH (non-condensing)
General
General / Subtype10 Gigabit Ethernet
General / Ports18 x 1 Gigabit / 10 Gigabit SFP+
General / Compliant StandardsITU-T G.8032, IEEE 802.1x, IEEE 1588v2, IEEE 802.2, IEEE 802.3, IEEE 802.3ab, IEEE 802.3ae, IEEE 802.3an, IEEE 802.3az, IEEE 802.3bz, IEEE 802.3x, IEEE 802.3z, ANSI/TIA-1057, IEEE 802.1ab (LLDP), IEEE 802.1ad, IEEE 802.1ag, IEEE 802.1AX, IEEE 802.1D, IEEE 802.1Q, IEEE 802.1s, IEEE 802.1v, IEEE 802.1w, IEEE 802.3ac, IEEE 802.3ad (LACP)
General / Jumbo Frame Support10KB
General / MAC Address Table Size32K entries
General / Device TypeSwitch - 18 ports - L3 - managed - stackable
General / Status IndicatorsFault, power, USB, stack, link/activity
General / Enclosure TypeDesktop, rack-mountable
General / PerformanceSwitching capacity: 360 Gbps ¦ Stacking bandwidth: 40 Gbps ¦ Forwarding performance: 267.9 Mpps ¦ Latency (1 Gbps): 3.65 µs ¦ Latency (10 Gbps): 1.84 µs ¦ Packet buffer size: 8 MB
General / FeaturesVCStack, EPSRing, NAC, 802.1x authentication, VLAN support, DHCP snooping, STP Root Guard, BPDU protection, ACL support, port trunking, storm protection, packet storm protection, loop detection, SDN, OpenFlow support, AMF Plus, ZTP, Active Fiber Monitoring, IP Link Ethernet monitoring, PTP, RSPAN, VLAN mirroring, UFO, CFM, flow control, LDF support, SNMP trap, DoS attack prevention, sFlow, AAA, DDM, Find-me support, wire speed forwarding, ping polling, UDLD, DHCP client, DHCP server, DHCP relay, black hole routing, DNS relay, policy based routing, eco-friendly button, QoS, VoIP support, queue scheduling support, DiffServ support, CPP, SLP, failover support, LACP, LD-VCStack, PVST+, Guest VLAN, IP source guard, DAI, SCP, port isolation, Voice VLAN, Logical Link Control, EEE, full duplex capability, ARP support, congestion control, path MTU discovery, NDP, OCSP support, DHCPv4 client, DHCPv6 client, Q-in-Q tunneling, dynamic ARP protection
Expansion / Connectivity
Expansion / Connectivity / Interfaces18 x 1/10GBase-X SFP+ uplink ¦ 1 x console RJ-45 management ¦ 1 x USB Type A
Power
Power / Voltage RequiredAC 100-240 V (50/60 Hz)
Power / Power DeviceInternal power supply
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