High-performance bi-directional SFP module with 1000Base-BX standard. Ideal for extending network distances up to 20Km.

The TL-SM321B is a high-performance module that adopts the latest 1000Base-BX standard, allowing data transmission over a single strand of fiber with different wavelengths in opposite directions. This bi-directional module offers a cost-effective solution for extending network distances up to 20Km when used with TP-Link routers, switches, and media converters. Designed to comply with IEEE 802.3z standards, it ensures high-speed, stable, and reliable connections ideal for business networking applications. Whether integrating into existing systems or setting up new installations, the TL-SM321B delivers exceptional performance with ease of installation and use.

Key Features

WDM Bi-Directional technology
Single strand fiber usage
Cost-effective solution
Extends network distances up to 20Km
Compatible with TP-Link routers and switches

Technical Specifications

Specification	Value
Standards and Protocols	IEEE 802.3z, TCP/IP
Wave Length	TX: 1310 nm, RX: 1550 nm
Dimensions	2.20.60.5 in (55.414.612.9 mm)
Power Supply	3.3 V
Safety & Emission	FCC, CE

1000Base-BX WDM Bi-Directional SFP Module

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SKU: SM321B

15,250 IQD

High-performance bi-directional SFP module with 1000Base-BX standard. Ideal for extending network distances up to 20Km.

Key Features

WDM Bi-Directional technology
Single strand fiber usage
Cost-effective solution
Extends network distances up to 20Km
Compatible with TP-Link routers and switches

Technical Specifications

Specification	Value
Standards and Protocols	IEEE 802.3z, TCP/IP
Wave Length	TX: 1310 nm, RX: 1550 nm
Dimensions	2.20.60.5 in (55.414.612.9 mm)
Power Supply	3.3 V
Safety & Emission	FCC, CE