What is the Cisco QSFP-100G-PSM4-S?
The Cisco QSFP-100G-PSM4-S is a QSFP optical transceiver module, listed by the manufacturer as "100GBASE PSM4 QSFP Transceiver, MPO, 500m over SMF". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
