What is the Mikrotik CCR1009-7G-1C-1S+?
The Mikrotik CCR1009-7G-1C-1S+ is a SFP optical transceiver module, listed by the manufacturer as "1U rackmount, 7x Gigabit Ethernet, 1x Combo port (SFP or Gigabit Ethernet)". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.