TP-Link SM311LM SFP Module: 1.25Gbps Fiber Optic Transceiver for Switches and IP Video Surveillance

TP-Link SM311LM SFP Module: 1.25Gbps Fiber Optic Transceiver for Switches and IP Video Surveillance

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SM311LM - TP-Link's 1000Base-SX MMF Mini GBIC Fiber Optic Module is designed to extend transmission distances up to 550 meters over multimode fiber, offering speeds of up to 1.25 Gbps. Compatible with TP-Link T-Series and MC220L switches, it features an LC/UPC connector, DDM function, IEEE 802.3z standard, and hot-swappable support. Ideal for high-performance LAN networks, it guarantees efficiency, reliability, and expansion cost savings thanks to its modular selection. Also perfect for video surveillance systems with high-definition IP cameras. Omada

Technical Data Sheet

Reference: SM311LM

Brand: OMADA

EAN: 6935364030216

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A key aspect of OMADA is its ability to offer centralised management. This can be done through a dedicated hardware controller, a software controller, or the Omada SDN cloud service, which enables centralised management of networks. The solutions offered are scalable and flexible, making them suitable for both small corporate networks and large multi-site deployments.

OMADA includes wireless solutions with high-performance Wi-Fi access points, ensuring reliable, high-speed coverage. In addition, it offers managed switches and gateway routers with advanced traffic management, security and quality of service (QoS) features.

Security is another strong point of OMADA's solutions, which include advanced features such as firewalls, VPNs and access control to protect corporate networks. In addition, OMADA's cloud platform enables remote configuration and monitoring of networks, offering great flexibility in IT management.

For businesses, OMADA provides a solution that can reduce operating costs through centralised management that simplifies network maintenance. High-quality hardware components ensure stable and reliable performance, while intuitive interfaces and management tools make network administration easier even for non-technical staff.

OMADA's core products include indoor and outdoor access points with advanced technologies such as Wi-Fi 6, managed switches with Layer 2 and Layer 3 capabilities, and security and routing devices for network traffic management and threat protection. OMADA solutions are commonly used in corporate offices to manage internal networks, in schools and universities to provide Wi-Fi connections for students and staff, and in hotels to offer a stable and fast Internet connection to guests.

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Tp-Link Omada

OMADA is a TP-Link brand of enterprise network management solutions. The OMADA system includes both hardware and software designed to centralise the management of wireless networks, switching and gateways. This approach is designed to improve the control and management of network infrastructures, particularly in enterprise environments.

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SM311LM | MINI-GBIC 1000BASE-SX MULTIMODE LC SFP MODULE


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The TP-Link SM311LM SFP module is an ideal solution for extending LAN networks over multimode fiber optics, offering stable transmission up to 550 meters at 1.25Gbps. Compatible with numerous TP-Link switches, it is perfect for enterprise applications and IP video surveillance systems that require high performance and reliability, thanks to its hot-swappable installation and DDM support.

Main specifications:

- LC/UPC port, speed 1.25Gbps

- Max distance 550m on MMF fiber

- Wide compatibility with T series and MC220L

- DDM function, IEEE 802.3z standard

- Operating temperature: 0°C ~ 70°C

Further details

LC/UPC port:
This module uses an LC/UPC optical interface, the most widely used standard for multimode SFP connectivity. It provides a reliable and easy-to-install connection, with hot-swappable support for seamless hot swapping .
Extended compatibility with T series and MC220L :
The SM311LM is fully compatible with numerous TP-Link models, including the T3700, T2700, T2600, T2500, T1700, T1600, T1500 series, 2/3/5 series and the MC220L media converter. This provides maximum flexibility in existing business environments and infrastructures, reducing adaptation costs .
DDM (Digital Diagnostic Monitoring) function :
With DDM support, users can monitor critical parameters such as temperature, supply voltage, and input and output signal strength in real time. This feature improves diagnostics, preventing anomalies and ensuring service continuity.

Technical data sheet

Model SM311LM
MEDIA CONVERTER & MODULE
Standards & Protocols IEEE 802.3z, CSMA/CD, TCP/IP
Wavelength 850nm
Dimensions (L x W x H) 2.2*0.5*0.5 in (55.4*13.7*12.9 mm)
Diet 3.3V
Safety & Emissions

FCC, CE

Cable Multi-mode Fiber
Fiber type 50/125μm or 62.5/125μm Multi-mode
Maximum cable length 550m
Data transmission speed 1.25Gbps
Door type LC/UPC
Hardware Features DDM
SFP-MSA
Hot Swappable
Package Content SM311LM
Installation Guide
Environment Operating Temperature: 0℃~70℃ (32℉~158℉)
Storage Temperature: -40℃~80℃ (-40℉~176℉)
Operating Humidity: 10%~90% non-condensing
Storage Humidity: 5%~90% non-condensing
All our products are in conformity with the in force CE normative (read here). To ask for a copy of the certification fill out this form