An apparatus for testing installation of a network equipment onboard a locomotive of a consist is disclosed. The apparatus includes a housing and a test network equipment is disposed within the housing. The test network equipment includes a first port to connect with an output port of the locomotive via a Multiple Unit (MU) cable. The apparatus includes a user interface to connect with a second port of the test network equipment. The test network equipment establishes a communication with the user interface based on a predefined attribute of the user interface. Upon establishing the communication between the test network equipment and the user interface, the user interface is configured to identify the network equipment, establish one or more communication routes with the network equipment, and determine a status of installation of the network equipment onboard the locomotive using the one or more communication routes.