TP-LINK (TL-SM321A) 1000Base-BX WDM Bi-Directional SFP Module

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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-SM321A-2 is developed in accordance with the Small Form Pluggable Multi-Source Agreement (SFP-MSA). As a WDM Bi-Directional optical transceiver, TL-SM321A-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-SM321A-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-SM321A-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.


Limited Lifetime

0.0300 kg

Package Weight
Device Type
1.25 Gbps
Standards and Protocols
IEEE 802.3z, TCP/IP
Single-mode Fiber
Fiber Type
9/125 um Single-mode
Max. Cable Length
2 km
Data Rate
Wave Length
TX: 1550 nm RX_ 1310 nm
Port Type
LC Simplex
Power Supply
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-2 Installation Guide
Package Type

Gastos estimados de envío

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