TP-Link TL-SM321A Network Transceiver Module

The TP-Link TL-SM321A is a high-performance fiber optic SFP module designed to extend your network reach efficiently. Utilizing the latest 1000Base-BX standard, this module supports WDM Bi-Directional technology, enabling data transmission over a single strand of fiber with different wavelengths for each direction. This innovative approach reduces cabling costs while maintaining reliable connectivity.

Key benefits include:

Supports transmission distances up to 10 km (6.2 miles) when paired with compatible modules such as TL-SM321A, MC112CS, or third-party WDM modules.
Compatible with a wide range of TP-Link switches including the T3700, T2700, T2600, T2500, T1700, T1600, T1500 series, as well as 2/3/5 series switches and MC220L.
Cost-effective solution by using a single fiber strand for bidirectional communication.

Ideal for network environments requiring extended fiber connections with minimal infrastructure changes, the TL-SM321A ensures seamless integration and robust performance.

Good company to do business with, they respond quickly and really commit to serve.

Very good pricing, and the item arrived within a reasonable time frame undamaged.

Delivery was a little slow, but it got there in time for the installation. Turned out to be the wrong part. Katie was easy to work with to get an RMA number and return it.

Communication is excellent. They confirmed what might be an atypical order. Carried it out, in less time than advertised. (The advertised lead time was long, but written; their actual time to deliver was much less than that.) Their website search function worked well, though they did have an error on one of their website on the pictures, but the description was correct. I pointed this out to them, and they fixed it immediately, and the correction was live on their site the next day, that is responsive (and errors happen). For people, it’s how it goes after a nit that matters, these people seem to get that and work hard and professionally to do business. I am buying again.