TP-LINK (SM321B) 1000Base-BX WDM Bi-Directional SFP Module

TP-LINK (SM321B) 1000Base-BX WDM Bi-Directional SFP Module

£19.99

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The lowest price ( 14 November 2025 ): £19.99 SKU: SM321B Category:

Description

1000Base-BX WDM Bi-Directional SFP Module
 

  • Up to 20 km transmission distance with 9/125 μm SMF (Single-Mode Fiber)
  • Bidirectional WDM communication on a single fiber
  • Compatible with Small Form Pluggable Multi-Source Agreement (SFP-MSA)
  • Supports Digital Diagnostic Monitoring (DDM)
  • Hot-swappable module design
  • Work with TL-SM321A as a pair
 

 

 
 
 
What This Product Does
TP-Link´s TL-SM321B adopts the latest standard 1000Base-BX, transmitting over one single-mode fiber with one different wavelength going in each direction. Paired with TL-SM321A, You can extend the network distance up to 20Km with TP-Link´s routers, switches and media converters for reliable high-speed long-distance communication.

 

 

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Additional information

Product Type

SFP Module
Brand

TP-LINK
Model

SM321B
Interface Type

SFP
Data Rate

1000 Mbps
Standard

1000Base-BX
Fiber Type

Single-Mode Fiber
Fiber Specification

9/125 μm SMF
Wavelength Division Multiplexing

WDM
Bidirectional

true
Compatible Pair

TL-SM321A
Hot Swappable

true
Transmission Distance

20 km
Digital Diagnostic Monitoring

true
Compliance

SFP-MSA
Brand

EAN

1210002619271
Weight

0.0300 kg

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