Aiphone PC-359B Call Holding Circuit Board for NEM, NDR, NDRM_x000D_

The Aiphone PC-359B is a call holding circuit board designed for use with the NEM, NDR, and NDRM intercom systems. This board plays a crucial role in managing communication within the system by holding or queuing calls until they can be answered. It ensures smooth and reliable operation, particularly in environments where multiple calls may be initiated simultaneously. The PC-359B is engineered for high performance and ease of installation, offering seamless integration with the specified intercom models. It helps maintain an organized call flow, which is essential for large facilities or office settings.