StarTech.com Cisco SFP-10G-BX20D-I Compatible SFP+ Module – 10GBASE-BX – 10 Gigabit Ethernet BiDi Fiber Single Strand SFP+ – LC 20km – Cisco ASR9000, ASR1000, NCS5500 (SFP-10G-BX20D-I-ST)
https://www.amazon.com/dp/B07Z14GHX2?tag=dmflip-20&linkCode=ogi&th=1&psc=1
StarTech.com Cisco SFP-10G-BX20D-I Compatible SFP+ Module – 10GBASE-BX – 10 Gigabit Ethernet BiDi Fiber Single Strand SFP+ – LC 20km – Cisco ASR9000, ASR1000, NCS5500 (SFP-10G-BX20D-I-ST)
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