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Home Switch Transceivers (GBIC/SFP) TP-Link TL-SM321A V3 - SFP (mini-GBIC) transceiver module -...

TP-Link TL-SM321A V3 - SFP (mini-GBIC) transceiver module - 1GbE - 1000Base-BX - LC/UPC single-mode - up to 20 km - 1310 (RX) / 1550 (TX) nm

MPN SM321A EAN 1210002619264 TP-LINK
Trade customers only
£15.35 ex VAT £18.42 inc VAT
In stock · 14 available
Manufacturer datasheet →
Trade customers only: orders need a verified business account. Prices ex VAT; VAT is added at checkout.
Quote-led: a person reviews pricing and stock before you commit.
Genuine stock with the manufacturer warranty intact.
Structured returns with credit notes when something is wrong.
Questions? 01224 600337 — Aberdeen & across the UK.
Fresh data: stock and pricing updated 22 Oct 2026.

Description

Manufacturer Code: SM321A

Overview

TP-Link TL-SM321A V3 - SFP (mini-GBIC) transceiver module - 1GbE - 1000Base-BX - LC/UPC single-mode - up to 20 km - 1310 (RX) / 1550 (TX) nm is available through DCS Components. It sits within the Switch Transceivers (GBIC/SFP) category.

Key product details

  • SFP (mini-GBIC) transceiver module
  • 1GbE
  • 1000Base-BX
  • LC/UPC single-mode
  • up to 20 km

Procurement and setup support

Available for quote while live availability remains in stock. DCS can help with procurement, compatibility checks, configuration planning, installation support and long-term managed IT lifecycle support.

EAN: 1210002619264

Specifications

Performance
SFP transceiver typeFiber optic
Maximum data transfer rate1250 Mbit/s
Interface typeSFP
Single-mode fiber (SMF) supportedYes
Fiber cable diameters supported (core/cladding)9/125 µm
Maximum transfer distance20000 m
Tx wavelength (max)1550 nm
Rx wavelength (max)1310 nm
Digital Diagnostics Monitoring (DDM)Yes
Features
Product colourSilver
Hot-swapYes
Power
Input voltage3.3 V
Certificates
CertificationFCC, CE
Operational conditions
Minimum operating temperature0 °C
Maximum operating temperature70 °C
Operating temperature (T-T)0 - 70 °C
Storage temperature (T-T)-40 - 85 °C
Operating relative humidity (H-H)10 - 90%
Storage relative humidity (H-H)5 - 90%
Weight & dimensions
Width55.4 mm
Depth14.6 mm
Height12.9 mm
Packaging content
Quantity per pack1 pc(s)
Packaging data
User guideYes
Package width38 mm
Package depth207 mm
Package height38 mm
Package weight110 g
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