What is the Cisco WS-X6748-SFP?
The Cisco WS-X6748-SFP is a circuit card / line card, listed by the manufacturer as "48 PORT GBE LINE CARD FOR 6509". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
CircularTelecomParts Catalogue

Part Overview
Manufactured by Cisco, the WS-X6748-SFP (48 PORT GBE LINE CARD FOR 6509) is a circuit card / line card. 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 WS-X6748-SFP is a circuit card / line card, listed by the manufacturer as "48 PORT GBE LINE CARD FOR 6509". 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 WS-X6748-SFP, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue