StarTech.com Cisco SFP-10G-LR-S Compatible SFP+ Module - 10GBASE-LR - 10GbE Single Mode Fiber SMF Optic Transceiver - 10GbE SFP+ LC 10km - 1310nm - DDM Cisco Firepower, ASR9000, C9300 (SFP10GLRSST) ^Sale

100% CISCO SFP-10G-LR-S COMPATIBLE SFP+ TRANSCEIVER: Works with Cisco switches like Firepower, ASR9000, C9300, C3850, C9500 and others.
• TECHNICAL SPECS: 10GBASE-LR
• 10 Gbps
• Single Mode (SMF)
• LC Connector
• 1310nm
• Digital Diagnostic Monitoring (DDM)
• Distances up to 10km (6.2mi).
• TESTED FOR OEM HOST COMPATIBILITY: Hot-swappable in Cisco routers and switches; DDM support reports the transceiver's status to most SNMP network management tools.
• WORKS WITH MSA COMPLIANT SWITCHES: Also works with switch models from Ubiquiti, D-Link, Netgear, Supermicro, TP-Link and more that accept uncoded modules.