What is the Oem Comp QSFP28-100G-ESR4-CS3C?
The Oem Comp QSFP28-100G-ESR4-CS3C is a QSFP optical transceiver module, listed by the manufacturer as "100GBase MMF QSFP28 850nm 300m 0C to 70C MTP/MPO-12 DDM Cisco Compatible". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.