StarTech.com Cisco GLC-EX-SMD Compatible SFP Module - 1000BASE-EX - 1GbE Single Mode Fiber SMF Optic Transceiver - 1GbE SFP - LC 40km - 1310nm - DDM Cisco Firepower, ASR920, IE2000 (GLCEXSMDST) GLC-EX-SMD Single 50FIBLCLC15 Vista and Windows 7 and

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StarTech.com Cisco GLC-EX-SMD Compatible SFP Module - 1000BASE-EX - 1GbE Single Mode Fiber SMF Optic Transceiver - 1GbE SFP - LC 40km - 1310nm - DDM Cisco Firepower, ASR920, IE2000 (GLCEXSMDST) GLC-EX-SMD Single 50FIBLCLC15 Vista and Windows 7 and100% CISCO GLC EX SMD COMPATIBLE: Works with Cisco switches like Firepower, ASR920, IE2000, IE4000, ASR1000 and others TECHNICAL SPECS: 1000BASE EX 1 Gbps Single Mode (SMF) LC Connector 1310nm Digital Diagnostic Monitoring (DDM) Distances up to 40km (24. 8mi) 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 OUTSTANDING SUPPORT: Backed by