Aiphone IPW-1A Network Intercom Adaptor. The IPW-1A Network Intercom Adaptor allows an IE Series/ AX-DM door station to remotely communicate with any amount of PC's within a LAN/WAN network. This turns your PC into an intercom station. This adaptor works with standard wired and wireless TCP/IP networks (LAN/WAN). This product includes the power supply and computer software. One IPW-1A is needed per door station on the system.