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SKU: SM321B

TP-Link Omada 1000Base-BX WDM Bi-Directional SFP Module

TP-LINK
£16.33
Price history

Price changes in the past 30 days

November 26, 2025 £16.33 GBP
November 25, 2025 £16.42 GBP
November 23, 2025 £16.33 GBP
  • WDM Bi-Directional SFP Module
  • Supports WDM Bi-Directional technology, using a single strand of fiber, cost saving

TP-Link´s SM321B (TL-SM321B) adopts the latest standard 1000Base-BX, transmitting over a single strand of fiber with one different wavelength going in each direction. You can extend the network distance up to 20Km with TP-Link´s routers, switches and media converters to provide high speed and stability.

Performance
Digital Diagnostics Monitoring (DDM) Yes
Rx wavelength (max) 1550 nm
Tx wavelength (max) 1310 nm
Maximum transfer distance 20000 m
Fiber cable diameters supported (core/cladding) 9/125 µm
Single-mode fiber (SMF) supported Yes
Interface type SFP
Maximum data transfer rate 1250 Mbit/s
SFP transceiver type Fiber optic
Features
Hot-swap Yes
Product colour Silver
Power
Input voltage 3.3 V
Certificates
Certification FCC, CE
Operational conditions
Storage relative humidity (H-H) 5 - 90%
Operating relative humidity (H-H) 10 - 90%
Storage temperature (T-T) -40 - 85 °C
Operating temperature (T-T) 0 - 70 °C
Maximum operating temperature 70 °C
Minimum operating temperature 0 °C
Weight & dimensions
Height 12.9 mm
Depth 14.6 mm
Width 55.4 mm
Packaging content
Quantity per pack 1 pc(s)
Packaging data
User guide Yes
General
Product family Omada