What is the Cisco ISP1100?
The Cisco ISP1100 is a network/telecom equipment component, listed by the manufacturer as "Intrusion Detection Sensor". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
CircularTelecomParts Catalogue

Part Overview
Manufactured by Cisco, the ISP1100 (Intrusion Detection Sensor) is a network/telecom equipment component. 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 ISP1100 is a network/telecom equipment component, listed by the manufacturer as "Intrusion Detection Sensor". 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 ISP1100, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue