Certificates
Certification	FCC, CE
Features
Product colour	Metallic
Plug and Play
Operational conditions
Operating temperature (T-T)	0 - 70 °C
Storage temperature (T-T)	-40 - 80 °C
Operating relative humidity (H-H)	10 - 90%
Storage relative humidity (H-H)	5 - 90%
Packaging content
Quantity per pack	1 pc(s)
Packaging data
Package width	81.5 mm
Package depth	122.5 mm
Package height	38.5 mm
Package weight	60 g
Performance
SFP transceiver type	Fiber optic
Maximum data transfer rate	1250 Mbit/s
Interface type	SFP
Fiber optic connector	LC (UPC)
Fiber cable diameters supported (core/cladding)	9/125 µm
Maximum transfer distance	10000 m
Tx wavelength (max)	1550 nm
Rx wavelength (max)	1310 nm
Networking standards	IEEE 802.3z
Single-mode fiber (SMF) supported
Power
Input voltage	3.3 V
Weight & dimensions
Width	55.4 mm
Depth	12.9 mm
Height	12.9 mm

TP-LINK's TL-SM321A uses the latest 1000Base-BX standard for transmission over a single fiber optic line with different wavelengths for each direction. You can extend the network range up to 10 km with TP-LINK routers, switches and media converters to achieve high speed and stability.

Highlights

• Bidirectional WDM-SFP module
• Uses a single fiber and thereby saves costs

Product type

• Network switch module
• ear category (ElektroG): relevant, Category 6: small IT and telecommunications devices, small devices IT and telecommunications technology B2C

Basic properties

• Color: silver, black