What is the Juniper Networks EX-SFP-1GE-LX40K-ST?
The Juniper Networks EX-SFP-1GE-LX40K-ST is a SFP optical transceiver module, listed by the manufacturer as "Juniper Compatible 1.25G SFP, 1000BASE-EX, 1310 nm, 40km SMF LC, DDM, C-Temp". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
