What is the Juniper Networks QDD-400G-LR4-10?
The Juniper Networks QDD-400G-LR4-10 is a QSFP optical transceiver module, listed by the manufacturer as "QSFP-DD, 400GE LR4-10, SMF 10 km, Standard Temperature (0 through 70 DEGREE C), Duplex LC Connector". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
