TP-LINK (SM321B-2) 1000Base-BX WDM Bi-Directional SFP Module, Up to 2km, DDM, Hot Swappable
£14.99
In stock
Free shipping on orders over £150
- Buy Now - Pay Later available
- Price match UK stockists
- Secure Payments
- 100% UK Stock
Description
1000Base-BX WDM Bi-Directional SFP Module
- Adopts the latest standard 1000Base-BX
- Up to 2 km transmission distance in 9/125 μm SMF (Single-Mode Fiber)
- Compatible with Small Form Pluggable Multi-Source Agreement (SFP-MSA)
- Supports Digital Diagnostic Monitoring (DDM)
- Supports Hot Swappable
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.
Additional information
| Product Type | SFP Module |
|---|---|
| Brand | TP-LINK |
| Model | SM321B-2 |
| Form Factor | SFP |
| Transmission Standard | 1000Base-BX |
| Technology | WDM Bi-Directional |
| Transmission Distance | 2km |
| Fiber Type | Single-Mode Fiber |
| Fiber Specification | 9/125 μm SMF |
| Connector Type | LC |
| Data Rate | Gigabit |
| Ddm Support | true |
| Hot Swappable | true |
| Msa Compliance | SFP-MSA |
| Ddm Standard | SFF-8472 |
| Compatible Devices | switches, routers, servers |
| Brand | |
| EAN | 6935364010614 |
| Weight | 0.0610 kg |
Only logged in customers who have purchased this product may leave a review.
%201000Base-BX%20WDM%20Bi-Directional%20SFP%20Module,%20Up%20to%202km,%20DDM,%20Hot%20Swappable&url=https://blackantlergaming.co.uk/tp-link-sm321b-2-1000base-bx-wdm-bi-directional-sfp-module-up-to-2km-ddm-hot-swappable/&media=https://blackantlergaming.co.uk/wp-content/uploads/2025/11/SWI-SFPMODTP-321B2-34.jpg){kind=link}
%201000BASE-T%20RJ45%20SFP%20Module,%20Support%20TX%20Disable,%20100m%20Reach%20Over%20Cat5e%20or%20Above,%20Hot-Pluggable&url=https://blackantlergaming.co.uk/tp-link-sm331t-1000base-t-rj45-sfp-module-support-tx-disable-100m-reach-over-cat5e-or-above-hot-pluggable/&media=https://blackantlergaming.co.uk/wp-content/uploads/2025/11/SWI-SFPMODTP-331T-34.jpg){kind=link}
%2040GBase-SR%20QSFP+%20MPO%20Transceiver,%20Fiber%20up%20to%2041.25Gbps%20Over%20OM3%20Fiber%20within%20150m&url=https://blackantlergaming.co.uk/tp-link-aginet-ds-pma-combo-c-40gbase-sr-qsfp-mpo-transceiver-fiber-up-to-41-25gbps-over-om3-fiber-within-150m/&media=https://blackantlergaming.co.uk/wp-content/uploads/2025/11/SWI-SFPMODTP-COMBO-34.jpg){kind=link}
%201000Base-BX%20WDM%20Bi-Directional%20SFP%20Module,%20Up%20to%202km,%20DDM,%20Hot%20Swappable&url=https://blackantlergaming.co.uk/tp-link-tl-sm321a-2-1000base-bx-wdm-bi-directional-sfp-module-up-to-2km-ddm-hot-swappable/&media=https://blackantlergaming.co.uk/wp-content/uploads/2025/11/SWI-SFPMODTP-321A2-42.jpg){kind=link}
Reviews
There are no reviews yet.