What is the Cisco GLC-BX-D-PTI?
The Cisco GLC-BX-D-PTI is a SFP optical transceiver module, listed by the manufacturer as "1000BASE-BX BiDi SFP Transceiver". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
CircularTelecomParts Catalogue

Part Overview
The Cisco GLC-BX-D-PTI is a SFP optical transceiver module — originally specified as "1000BASE-BX BiDi SFP Transceiver" — available refurbished or as surplus stock via Circular Telecom, supporting network operators sourcing decommissioned and reclaimed equipment.
Common Questions
The Cisco GLC-BX-D-PTI is a SFP optical transceiver module, listed by the manufacturer as "1000BASE-BX BiDi SFP Transceiver". 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 GLC-BX-D-PTI, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue