• En
  • De
  • Fr
  • Ru
  • Es
  • Pt
  • It
  • Ar
  • Se
  • Nl
  • Jp
  • Tw
  • Your shopping cart is empty!

TP-Link 1000Base-BX TX-1550nm RX-1310nm WDM Bi-Directional SFP Module

  • Brand: TP-Link
  • Part Number: TL-SM321A
  • Condition: Factory New Sealed
  • Availability: In Stock
  • Ships: Typically within 2 Business Days
  • Warranty: 3 Years


TL-SM321A - TP-Link 1000Base-BX TX-1550nm RX-1310nm WDM Bi-Directional SFP Module
TP-Link´s TL-SM321A adopts the latest standard 1000Base-BX, transmitting over one single-mode fiber with one different wavelength going in each direction. Paired with TL-SM321B, 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.

  • 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-SM321B as a pair

  • Standards and Protocols: IEEE 802.3z, TCP/IP
  • Wave Length
    • TX: 1550 nm
    • RX: 1310 nm
  • Power Supply: 3.3 V
  • Safety & Emission: FCC, CE
  • Cable: Single-Mode Fiber
  • Fiber Type: 9/125 μm Single-Mode
  • Max. Cable Length: 20 KM
  • Data Rate: 1.25 Gbps
  • Port Type: LC Simplex
  • DDM: Yes
  • SFP-MSA: Yes
  • Hot Swappable: Yes
  • Environment
    • Operating Temperature: 0~70 °C (32~158 °F)
    • Storage Temperature: -40~85 °C ( -40~185 °F)
    • Operating Humidity: 10~90% RH, Non-Condensing
    • Storage Humidity: 5~90% RH, Non-Condensing

Package Contents
  • SFP Module TL-SM321A
  • Installation Guide

For more specifications of this TL-SM321A, please visit below TP-Link website:


This TL-SM321A is 100% genuine TP-Link product. It won't have any compatibility problem with your TP-Link devices. And the TP-Link 1000Base-BX TX-1550nm RX-1310nm WDM Bi-Directional SFP Module is factory new with original packaging. Buy it now and enjoy risk free purchase with fast worldwide delivery from GenuineModules.com

There are no reviews for this product.

Write a review
Note: HTML is not translated!
    Bad           Good