The TP-Link TL-SM321B-2 is a 1000Base-BX WDM SFP module designed for high-speed data transmission over single-mode fibre up to 2 km in distance. It supports Digital Diagnostic Monitoring (DDM) and is compatible with the Small Form Pluggable Multi-Source Agreement (SFP-MSA).

Hardware Features

• Digital Diagnostic Monitoring (DDM): Yes
• SFP-MSA Compatibility: Yes
• Hot Swappable: Yes

Media Converter Module Specifications

• Standards and Protocols: IEEE 802.3z, TCP/IP
• Wave Length: Tx: 1310 nm, Rx: 1550 nm
• Data Rate: 1.25 Gbps
• Power Supply: 3.3V
• Cable Type: Single-Mode Fiber (9/125 m)
• Max Cable Length: 10 km
• Port Type: LC Simplex
• Safety Emission: FCC, CE

Environmental Specifications

• Operating Temperature: 070 C (32158 F)
• Storage Temperature: -4085 C (-40185 F)
• Operating Humidity: 1090% RH, Non-Condensing
• Storage Humidity: 590% RH, Non-Condensing