CircularTelecomParts Catalogue
Part Number
Part Overview
Manufactured by Cisco, the QSFP-40G-CSR4 (QSFP 4x10GBASE-SR Transceiver Module, MPO, 300M) is a QSFP optical transceiver module. Circular Telecom sources, tests, and resells surplus and refurbished Cisco equipment like this as part of a lower-carbon alternative to new procurement.
Common Questions
The Cisco QSFP-40G-CSR4 is a QSFP optical transceiver module, listed by the manufacturer as "QSFP 4x10GBASE-SR Transceiver Module, MPO, 300M". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
Circular Telecom sources and resells surplus and refurbished Cisco network equipment, including parts such as the QSFP-40G-CSR4, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue