TP-LINK (TL-SM321B) 1000Base-BX WDM Bi-Directional SFP Module

DescriptionSpecificationDevice Type: SFP ModuleStandards and Protocols: "IEEE 802.3z, TCP/IP"Cable: Single-mode FiberFiber Type: 9/125 um Single-modeMax. Cable Length: 20k mData Rate: 1.25 GbpsWave Length: TX: 1310 nmRX: 1550 nmPort Type: LC SimplexPower Supply: 3.3VEnvironment (℃): "Operating Temperature: 0–70 °C (32–158 °F)Storage Temperature: -40–85 °C ( -40–185 °F)Operating Humidity: 10–90% RH, Non-CondensingStorage Humidity: 5–90% RH, Non-Condensing"Package Contents: SFP Module TL-SM321BInstallation GuidePackage Type: RetailPackage Weight: 0.0300 kgWarranty: Limited Lifetime%%%% 1000Base-BX WDM Bi-Directional SFP Module   Up to 20 km transmission distance with 9/125 μm SMF (Single-Mode Fiber) Bidirectional WDM communication on a single fiber Compatible with Small Form Pluggable Multi-Source Agreement (SFP-MSA) Supports Digital Diagnostic Monitoring (DDM) Hot-swappable module design Work with TL-SM321A as a pair           What This Product Does TP-Link´s TL-SM321B adopts the latest standard 1000Base-BX, transmitting over one single-mode fiber with one different wavelength going in each direction. Paired with TL-SM321A, You can extend the network distance up to 20Km with TP-Link´s routers, switches and media converters for reliable high-speed long-distance communication.