Certificates
Certification	FCC, CE
Features
Plug and Play
Logistics data
Harmonized System (HS) code	85369010
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 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 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-SM321B uses the latest 1000Base-BX standard to transmit over a single strand of fiber optic cable with different wavelengths for each direction. You can extend the network range by 10km with TP-LINK routers, switches and media converters to achieve high speed and stability.

Highlights

• Bidirectional WDM SFP module
• Supports bidirectional WDM, which uses a single fiber, thereby saving costs
• 9/125 µm single mode
• Data rate: 1.25 Gbit/s
• Wavelength: TX: 1310 nm / RX: 1550 nm

Product type

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

Connections

• Bandwidth: 10/100/1000 MBit /s

Data transmission

• SFP standard: SFP

Basic properties

• Color: Silver, Black

Scope of delivery

• TP-Link TL-SM321B Bidirectional 1000Base BX WDM SFP module