What is the Cisco ONS-XC-10G-S1?
The Cisco ONS-XC-10G-S1 is a XFP optical transceiver module, listed by the manufacturer as "XFP-OC192/STM64/10G 1310 SR-SM LC". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
CircularTelecomParts Catalogue

Part Overview
Looking for the Cisco ONS-XC-10G-S1? This XFP optical transceiver module, described by the manufacturer as "XFP-OC192/STM64/10G 1310 SR-SM LC", is stocked and resold through Circular Telecom's refurbished and surplus telecom equipment network.
Common Questions
The Cisco ONS-XC-10G-S1 is a XFP optical transceiver module, listed by the manufacturer as "XFP-OC192/STM64/10G 1310 SR-SM LC". 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 ONS-XC-10G-S1, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue