New Arrivals/Restock

TP-Link TL-SM321B-2 - 1000Base-BX WDM Bi-Directional Gigabit Single-Mode SFP Module

flash sale iconLimited Time Sale
Until the end
01
44
28

$6.80 cheaper than the new price!!

Free shipping for purchases over $99 ( Details )
Free cash-on-delivery fees for purchases over $99
Please note that the sales price and tax displayed may differ between online and in-store. Also, the product may be out of stock in-store.
New  $16.99
quantity

Product details

Management number 204014692 Release Date 2025/10/31 List Price $10.19 Model Number 204014692
Category

What This Product Does

TP-LINK�s TL-SM321B-2 is developed in accordance with the Small Form Pluggable Multi-Source Agreement (SFP-MSA). As a WDM Bi-Directional optical transceiver, TL-SM321B-2 uses an integrated LC Bi-Directional optical interface connector and the data link is up to 2 km in 9/125 µm SMF (Single-Mode Fiber).

Also, TL-SM321B-2 incorporates the Digital Diagnostic Monitoring (DDM) feature which is compatible with SFF-8472. DDM supports real-time monitoring of the transceiver, and shows parameters including the transceiver current which transmits/receives optical power and operating temperature.

TP-Link's TL-SM321B-2 is used for short-and medium distance fiber network in practice, and it provides fast and stable gigabit fiber connection for switches, routers, servers, etc.


  • Single-mode SFP Module, WDM Bi-Directional communication on a single fiber.
  • Wavelength: Tx 1310nm, Rx 1550nm. Data Rate: 1.25Gbps. Port Type: LC Simplex.
  • Always keep the protective dust plug on the SFP's optical bores until you are ready to make a connection.
  • Compatible with all SFP ports on TP-Link product including JetStream switches, and media converter MC220L.
  • Developed in accordance with the Small Form Pluggable Multi-Source Agreement (SFP-MSA), TL-SM321B-2 uses an integrated LC Bi-Directional optical interface connector, and the data link is up to 2 km for 9/125 µm SMF (Single-Mode Fiber).

Correction of product information

If you notice any omissions or errors in the product information on this page, please use the correction request form below.

Correction Request Form

Product Review

You must be logged in to post a review