The N-8640DS is an IP door station employing packet audio technology. Connecting the N-8640DS to an IP network (LAN or WAN) permits hands-free conversation of high sound quality to be made between the N-8640DS and the intercom station connected to the IP Intercom Exchange, or between the N-8640DS and an IP multifunctional master station. Besides, the N-8640DS can be used in conjunction with the Multi Interface units through a network. The N-8640DS is equipped with 1 channel of control input, 5 channels of control outputs (including 1 channel of relay control output), and speaker output, thereby enabling connections of external equipment such as a sensor, indicator, and external speaker.

Designed to connect to the IP Intercom Exchange, the N-8050DS is a door station featuring high quality hands-free conversation. It has a contact output (momentarily closed) to remotely control external devices such as an electronic door lock. It is in full conformity with IP54 water-proof and dust-proof standards. The operating temperature range is -10 to 50℃. As provided with guard nets inside to cover over the openings of microphone and speaker, the N-8050DS can be installed free from care in public space (vandal-proof).

The N-8540DS is an IP door station employing packet audio technology. Connecting the N-8540DS to a network (LAN or WAN) permits hands-free conversation of high sound quality to be made between the N-8540DS and intercom stations connected to the IP Intercom Exchange as well as other IP stations. Besides, the N-8540DS can be used in conjunction with the Interface units through a network. The N-8540DS is designed for indoor use and can be surface mounted or flush mounted to the wall. A contact output (One-shot make contact) is provided for controlling external devices such as an electronic lock.