Allied Telesis AT-XEM-12T - expansion module

Mfg. Part: AT-XEM-12T | CDW Part: 1450055 | UNSPSC: 43201404
Request PricingCall

This item was discontinued on June 26, 2017.

Sales Assistance

800.972.3922 Mon-Fri 8am-6pm ET

Answer within 24 hours.


Have leasing questions? Let us know how can we help.

Note: Leasing is available to businesses only. Leasing is not available to individuals.
Mon-Fri 7am-7:30pm CT
Check Warehouse Availability ▼
Warehouse LocationAvailableQuantity Incoming
Inventory quantities are delayed by 15 minutes.
  • Expansion module
  • Gigabit Ethernet x 12
  • for AT x900-24XS
  • x900-24XT
  • x900-24XT-N
View More
Product Overview
Main Features
  • Expansion module
  • Gigabit Ethernet x 12
  • for AT x900-24XS
  • x900-24XT
  • x900-24XT-N
Allied Telesis' broad line of products builds systems that meet today's demand for efficient, effective connectivity. And, as always, Allied Telesis' commitment to quality, efficiency, security, ease of use, and low cost of ownership is backed by the best service in the industry.


Huge capabilities and flexibility compressed into 1RU form factor;

Front to back cooling for optimum rack/cabinet airflow;

Internal dual hot-swappable AC or DC load-sharing power supplies;

Layer 2 and 3 IPv4 switching and routing at wire-speed;

Provides up to 256K Layer 3 IPv4 address table entries;

Supports full 4096 VLANS and 4096 Layer 3 interfaces;

VLAN Double tagging;

Private VLANs, providing security and port isolation of multiple customers within a VLAN;

802.1x port authentication support;

Gigabit SFP ports will support Copper and Fiber options;

Full environmental monitoring, with alerts to network manager in case of PSU or FAN failure;

Extensive wire-speed traffic classification;

Policy-based QoS features;

Min / max bandwidth control - bandwidth slice resolution down to 1Kbps;

Buffered max bandwidth control at egress on all ports, and on each of 8 egress queues per port;

Two rate three color bandwidth metering, with burst sizes for improved TCP-IP bandwidth limiting performance;

Advanced routing protocols OSPF, BGP4, RIP and RIPv2, DVMRP, PIM-SM, PIM-DM;

Wire-speed multicasting at L2 and L3;

STP/RSTP and MSTP (802.1s);

Port trunking (802.3ad LACP);

Port mirroring;

Asynchronous management port available via the front panel;

SSH for secure management;

Adding to Cart...
12/15/2017 2:35:22 AM
^ Back to Top

Maximum 300 characters
An account manager will email you within one business day to confirm your request.

Your Quote has been submitted

What Happens Next? A confirmation email is on its way. Within one business day, you will be contacted by an Account Manager to finalize your quote.


Something went wrong.

Please try again later.