What is the Cisco FO-GLC-BX-D?
The Cisco FO-GLC-BX-D is a SFP optical transceiver module, listed by the manufacturer as "Cisco GLC-BX-D Compatible 1000BASE-BX-D SFP BiDi 1490nm-TX/1310nm-RX 10km DOM Simplex LC/UPC SMF Optical Transceiver Module". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
