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PT-7728-R-24 - Modular Managed Ethernet Switch System with 3 slots for 100 Mbps modules, 1 slot for Gbps modules, Ethernet ports - Rackmount IEC 61850-3 Ethernet Switch - iComTech
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Selecting Network Devices (1.2) > Cisco Networking Academy's Introduction to Scaling Networks | Cisco Press
Tripp Lite 16-Port Gigabit Ethernet Switch 10/100/1000Mbps, L2 Web-Smart Managed, 2 Dedicated Gigabit SFP Slots, 36 - NGS16C2 - Modular Switches - CDW.com
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