10-Pin, Male COMBICON to 10-Pin, Female Spring Terminal Block Plug—The NI-9980 consists of a bag of 10 spring terminal plugs for any 10-position C Series module. These terminal plugs provide direct connectivity to the module. All C Series modules ship with the required connectors, so you can purchase the NI-9980 to add spring terminal connectivity, reduce wiring on multiple devices, or use for spare replacements.