Specifications include, but are not limited to: Traffic Controller Assemblies. Traffic controller assemblies are defined as the complete assembly of all required equipment and components for control of traffic signal indications. Traffic controller assemblies shall conform to the requirements of the latest revision of NEMA Standards Publications No. TS 2, hereafter called NEMA. Each assembly shall consist of a controller cabinet, controller unit, back panel, malfunction management unit, all required wiring, switches and connectors and all other equipment as defined in these specifications and as shown on the plans. Double controller assemblies to control two intersections shall consist of a controller cabinet, two controller units, two back panels, two malfunction management units all required wiring, switches and connectors and all other equipment as defined in these specifications and as shown on the plans. Controller Units (CU). This section supplements NEMA in describing the general specifications for actuated solid-state controller units. If requested by the engineer, the contractor shall provide a prototype controller for testing and evaluation. a. CU Configuration. (i) CU shall be NEMA Actuated Type 2 with the following connectors: Port 1 Port 2 Port 3 Connector A Connector B Connector C Connector D (ii) Cus shall be capable of operation of a minimum of 12 vehicle and pedestrian phases and 8 overlaps. (iii) All phases and overlaps shall be activated or inactivated by program entry.