What is the Cisco 73-1689-02?
The Cisco 73-1689-02 is a network switch, listed by the manufacturer as "ROUTE SWITCH PROCESSOR 4 MODULE". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
CircularTelecomParts Catalogue

Part Overview
Cisco 73-1689-02: a network switch (ROUTE SWITCH PROCESSOR 4 MODULE). Circular Telecom resells surplus and refurbished units of parts like this, helping operators extend network equipment lifecycles and reduce e-waste.
Common Questions
The Cisco 73-1689-02 is a network switch, listed by the manufacturer as "ROUTE SWITCH PROCESSOR 4 MODULE". 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 73-1689-02, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue