TP-Link Omada 1000Base-LX SMF Mini GBIC Module (SM311LS)

TP-Link Omada 1000Base-LX SMF Mini GBIC Module (model SM311LS) is a high-performance optical transceiver designed for long-distance Gigabit Ethernet fiber connections in enterprise, campus, and data center environments. Supporting standard 1000Base-LX specifications over single-mode fiber (SMF), this compact SFP/GBIC module enables reliable, high-speed data transmission across extended link distances. With plug-and-play simplicity and broad compatibility with TP-Link Omada switches and other networking equipment, the SM311LS provides cost-effective fiber uplink and backbone connectivity to support expanding network infrastructures.

Product Features

1000Base-LX Gigabit Fiber Support

Designed for Gigabit Ethernet transmission over long-distance single-mode fiber links, delivering high-speed connectivity between switches, servers, and core network devices.

Single-Mode Fiber (SMF) Compatibility

Supports single-mode fiber (SMF) infrastructure to enable extended transmission distances suitable for campuses, buildings, industrial environments, and metropolitan networks.

Compact Mini GBIC Module

Mini GBIC (SFP) form factor enables hot-swappable installation into compatible switch and router transceiver slots without interrupting network operations.

Extended Reach and Reliability

Supports long-distance fiber transmission, making it ideal for backbone links, inter-site connections, and large-scale network deployments.

Plug-and-Play Installation

Hot-swappable design allows installation and replacement without powering down connected equipment, simplifying network maintenance and upgrades.

Broad Compatibility

Compatible with TP-Link Omada switches and many third-party network devices that support standard 1000Base-LX SFP/GBIC modules.

Product Specifications

• Model: TP-Link SM311LS
• Type: 1000Base-LX Mini GBIC (SFP) Transceiver
• Supported Fiber Type: Single-Mode Fiber (SMF)
• Wavelength: Typically 1310 nm
• Data Rate: 1.25 Gbps (1000 Mbps)
• Connector Type: LC Duplex
• Hot-Swappable: Yes
• Standards: IEEE 802.3z 1000Base-LX
• Transmission Distance: Long single-mode fiber reach (varies by fiber and deployment conditions)
• Use Case: Long-distance fiber uplinks, backbone links, enterprise networks