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Amazon.com: Allied Telesis - ATX510-28GTX-JITC-90 - Allied Telesis Stackable Gigabit Switch - 24 Ports - Manageable - 3 Layer Supported - Modular - Twisted Pair, Optical Fiber - Desktop, Rack-mountable : Electronics
Allied Telesis AT X530L-28GTX - switch - 28 ports - managed - rack-mountable - AT-X530L-28GTX-10 - Ethernet Switches - CDW.com
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