What is the Cisco QSFP-100G-CU0.5M?
The Cisco QSFP-100G-CU0.5M is a QSFP optical transceiver module, listed by the manufacturer as "Compatible Cisco 100G QSFP28 Passive Direct Attach Copper". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
