Serial Communications Module, For Use With 5XY61, 5XY63, 5XY65, 5XY67, 5XY69, 5XY72, 5XY75, 5XY78, 5XY81, 5XY84, 5XY86, 5XY88, Compatible With RS485 & RS232 Protocols, Application Need To Transfer Data Via Serial Communication Bus, Includes InstructionsFeaturesIncludes: InstructionsFor Use With: 5XY61, 5XY63, 5XY65, 5XY67, 5XY69, 5XY72, 5XY75, 5XY78, 5XY81, 5XY84, 5XY86, 5XY88Function: Compatible With RS485 And RS232 ProtocolsItem: Serial Communications ModuleManufacturers Warranty Length: 2 yr.