add WS-C3750G-24TS-S1U

• 24 Ethernet 10/100/1000 ports
• 4 SFP-based Gigabit Ethernet ports
• 32-Gbps, high-speed stacking bus
• Innovative stacking technology
• 1 RU stackable, multilayer switch
• Enterprise-class intelligent services delivered to the network edge
• IP Base software feature set (IPB)