TP-LINK´s TL-SM321A 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.

• WDM Bi-Directional SFP Module
• Supports WDM Bi-Directional technology, using a single strand of fiber, cost saving

The TL-SM311 series Fiber Module Cards are introduced for extending transfer distance, attached to our managed/web smart switches. They can extend the distance to several kilometers even tens of kilometers which can basically satisfy the distance requirement of LAN. Users can choose whether and which items to use the fiber modules according to the demand in order to lower cost.

Highlights:

• Single-mode MiniGBIC module.
• Applied to TL-SG3109/3216/3224, TL-SL3428/3452, TL-SG2109WEB/2216WEB/2224WEB, TL-SL2210WEB/2218WEB/2428WEB/2452WEB, TL-SL1351.

• Works at 1000Mbps in Full-Duplex mode for both TX port and FX port
• Supports auto MID/MID-X for TX port
• Provides switch configuration of Force /Auto transfer mode for FX port
• FX port support hot-swappable
• Extends fiber distance up to 0.55km for multi-mode fiber and 10km for single-mode fiber
• Easy-to-view LED indicators provide status to monitor network activity easily
• External power supply