What is the Cisco QSFP-100G-LR-S?
The Cisco QSFP-100G-LR-S is a QSFP optical transceiver module, listed by the manufacturer as "100G QSFP28 100G-LR, 10km SMF, duplex, LC Connector.". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
