User Manual Q&AAnswer
Dec 11, 2024 - 07:20 AM
The TP-Link NT TL-SM221B SFP module is a small form-factor pluggable module designed for use in networking equipment. It is specifically used for bi-directional data transmission over single-mode fiber optic cables. This module allows for high-speed communication applications that require rates of up to 155Mbps. It adopts WDM (Wavelength Division Multiplexing) technology, which increases the information carrying capacity of fiber by multiplexing transmit and receive signals at different wavelengths on a single strand of cable. The TL-SM221B SFP module can be installed inside a compatible switch or can be used in conjunction with TP-LINK products such as the TL-SG2216WEB and TL-SG2224WEB Web Smart Gigabit Switches. It is a hot-pluggable module, meaning it can be inserted or removed from compatible devices without requiring a system shutdown.
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