What is the Juniper Networks EX4400-EM-4Y?
The Juniper Networks EX4400-EM-4Y is a SFP optical transceiver module, listed by the manufacturer as "4x25G SFP28 extension module for EX4400 series of switches. MACsec AES256.". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
