Wired networks

The TP-Link TL-SM321A single-mode fiber SFP module is an essential component for fiber optic networks focused on long-distance data transmission, offering an efficient and reliable solution for communication infrastructures. This module features a compact and robust design with a metallic gray casing, built to ensure durability and protection against electromagnetic interference. Compatible with SFP (Small Form-factor Pluggable) connections, it allows quick and easy integration into switches and other network devices supporting this standard, facilitating the expansion or upgrade of fiber optic systems without replacing entire devices. It operates at a 3.3 V voltage , ensuring low power consumption and compatibility with most current telecommunications systems. Its single-mode fiber technology is designed to cover transmission distances of up to 10 kilometers without significant signal loss, making it suitable for business environments and service providers requiring stable, high-speed connections over extended network links. The fiber optic provided by this module guarantees greater immunity to electrical interference and superior data transfer performance compared to traditional copper cabling. The TL-SM321A module is ideal for applications demanding reliable connections and fast data transmission, such as backbone links, inter-building connections, or metropolitan network deployments. Thanks to its standard design, it facilitates interoperability with multiple network devices and contributes to the scalability and flexibility of modern telecommunications infrastructures. In short, this TP-Link SFP module offers a practical and efficient solution to optimize single-mode fiber optic networks, combining quality, compatibility, and performance. Speed: 1.25 Gbps 1 Gbps Wavelength: 1550nm Tx/1310nm Rx Range: 10 km Power supply: Electric Network Voltage: 3,3V 3,3 V Product with plug: Yes Type of plug: Plug EU Connections: LC SFP Type: MonoMode SFP Fibre Module Cabling Fibre optic Colour: Grey Characteristics: Wireless Plug and play Certificate: CE Working range for humidity: 10 % - 90 % Working range for temperature: 0º / 70º Nuclei: 1 core

The TL-SM321B single-mode fiber SFP module from TP-Link is an essential component for expanding and optimizing fiber optic networks. Designed according to the 1000Base-BX bidirectional WDM standard, this module enables data transmission at 1.25 Gbps using a single fiber strand with a 9/125 μm optical fiber structure, significantly reducing infrastructure costs by requiring less cabling. Thanks to its WDM (Wavelength Division Multiplexing) technology, the TL-SM321B uses different wavelengths to send and receive signals, allowing simultaneous two-way communication over a single fiber strand—ideal for setups prioritizing resource efficiency and cost savings. This module is made in a black and gray color scheme to facilitate identification and handling in compatible SFP devices that accept this format, commonly used in TP-Link routers, switches, and media converters. Its ability to extend connection distances up to 10 kilometers makes it a reliable solution for enterprise networks or telecom installations requiring high-speed, stable long-distance links. Compatibility with SFP interfaces ensures easy and flexible integration into network environments demanding high speed and transmission robustness. Overall, the TL-SM321B is a solid technical choice for those looking to expand or upgrade single-mode fiber optic infrastructures, benefiting from a proven, efficient standard that optimizes resources and guarantees optimal performance. This module offers a balanced solution in terms of technology and cost for network infrastructures requiring secure and continuous professional data transmission. Range: 10 km 20 km Speed: 1.25 Gbps Wavelength: 1550nm Tx/1310nm Rx Power supply: Electric Network Voltage: 3,3V Type: 9/125 μm MonoMode SFP Fibre Module Fibre optic Connections: SFP Product with plug: Yes Type of plug: Plug EU Colour: Silver AC input voltage: 3.3 V Spotlight: - WDM Bi-Directional SFP Module- Supports WDM Bi-Directional technology, using a single strand of fiber, cost savingTP-LINK´s TL-SM321B adopts the latest standard 1000Base-BX, transmission over a single strand of fiber, with one different wavelength going in each direction. You can extend the network distance up to 10Km with TP-LINK´s Routers, Switches, Media Converters to provide high speed and stability. Features - Supports WDM Bi-Directional technology, using a single strand of fiber- TX: 1310nm / RX: 1550nm- Internal +3.3V Power Supply- In pairs with TL-SM321A- Plug-and-Play- Suitable: MC220L, TL-R4199G/4299G, TL-SG3109, TL-SL3428/3452, TL-SG2109WEB/2216WEB/2224WEB, TL-SL2210WEB/2218WEB/2428WEB/2452WEB, TL-SL1351 and the other equivalent devices SFP transceiver type: Fiber optic Maximum data transfer rate: 1250 Mbit/s Interface type: SFP Single-mode fiber (SMF) supported: Y Fiber cable diameters supported (core/cladding): 9/125 µm Maximum transfer distance: 10000 m Tx wavelength (max): 1550 nm Rx wavelength (max): 1310 nm Networking standards: IEEE 802.3z Plug and Play: Y Certification: FCC, CE Input voltage: 3.3 V Operating temperature (T-T): 0 - 70 °C Storage temperature (T-T): -40 - 80 °C Operating relative humidity (H-H): 10 - 90% Storage relative humidity (H-H): 5 - 90% Width: 55.4 mm Depth: 12.9 mm Height: 12.9 mm Package width: 122.5 mm Package depth: 81.5 mm Package height: 38.5 mm Package weight: 60 g

Type: MonoMode SFP Fibre Module Speed: 1250 Mbit/s Range: 10 km Wavelength: 1310 nm Colour: Black Material: Plastic

Type: MonoMode SFP Fibre Module Connections: SFP Speed: 1250 Mbit/s Depth: 13 mm Range: 10 km Wavelength: 1310 nm Number of pieces: 5 Pieces Colour: Silver Battery type: Litio Ion

Speed: 1 Gbps Range: 80 km Type: Transceiver MonoMode SFP Fibre Module Wavelength: 1550 nm Colour: Black Connections: USB

Type: MonoMode SFP Fibre Module Colour: Grey Silver Connections: SFP Speed: 1250 Mbit/s Depth: 57 mm Material: Metal Wavelength: 1310 nm Characteristics: On/off interrupter Year: 2017 Power: 1 W