AMIKON INDUSTRIAL SUPPLY YOKOGAWA · V NET COMMUNICATION YOKOGAWA AIP171 Transceiver Control Unit for V net Repeater AIP171 is the controller used in Yokogawa optical bus repeater assemblies. It manages optical communication and provides jumper-selected self-diagnostic operation for the repeater system. AIP171 CONTROLLER UNIT OPTICAL REPEATER ASSEMBLY FIELD NOTES 01 / TECHNICAL NOTEBOOK AIP171 Technical Reference A / IDENTIFICATION Manufacturer Yokogawa Electric Corporation