What is the Cisco PA-HSSI?
The Cisco PA-HSSI is a circuit card / line card, listed by the manufacturer as "HIGH SPEED SERIAL INTERFACE CARD". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
CircularTelecomParts Catalogue

Part Overview
The PA-HSSI is a circuit card / line card manufactured by Cisco. Listed by the manufacturer as "HIGH SPEED SERIAL INTERFACE CARD", it is available through Circular Telecom's surplus and refurbished network equipment marketplace as a sustainable, tested alternative to buying new.
Common Questions
The Cisco PA-HSSI is a circuit card / line card, listed by the manufacturer as "HIGH SPEED SERIAL INTERFACE CARD". 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 PA-HSSI, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue