What is the Oem Comp QSFP28-100G-ER4L-BDI-JU0B?
The Oem Comp QSFP28-100G-ER4L-BDI-JU0B is a QSFP optical transceiver module, listed by the manufacturer as "QSFP28-100G-ER4L-BDI 100GBase SMF QSFP28 LWDM4 30km/40km with FEC 0C to 70C LC Duplex DDM (BOX + DML) 5W". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.