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The TP-Link TL-SM311LS is a single-mode fiber optic SFP module with an LC interface, capable of transmitting data up to 10 km at 1250 Mbit/s.
Compact black dummy button cover for 2N Telecommunications IP Verso intercom systems, providing a discreet, secure replacement or backup button that matches the original design and protects the unit from wear.
A nickel‑finished dummy button cover for the 2N Helios IP Verso Blind Button intercom system, designed to match the 9155051 accessory module and seamlessly integrate with existing units.
Enhance network performance with the TP-Link TL-SM311LM Mini-GBIC Module, offering 1.25Gbps GigE connectivity, LC multi-mode fiber support & up to 550m range on 850nm wavelength


















