As a second communication level, the modern D9000 office communication system offers many features that can not only be easily adapted to your circumstances, but also significantly shorten your internal communication channels.Product features:Central station 8 participantsFeatures: Two-way communication Anti-tapping feature Please leave a call back 9 group calls Collective call, inquiry Transfer, call forwarding Separate volume control for music and speech Music playback 4 channels 3 door opener relays, 8 contact inputs Background music Boss - secretary circuit Conference call Maximum expansion 8 participants 2 conversation paths Programmable via PCTechnical specifications:Cabling: Star-shaped from the central station to the points with JY (ST) Y 2 x 2 x 0.6 ATTENTION: Cable must be twisted in pairs! max. cable length: 800 mDimensions: 310 x 350 x 190 mm Supplied with mains transformerInstallation note:Note:
| Property | Value |
| Mounting type: | Wall mounting |
| Installation technology: | Bus system |
| Design: | Central |
| Type of communication: | Half duplex |
| System type: | central |
| Number of channels: | 4 |
| Individual call function: | yes |
| Group call function: | yes |
| General call function: | yes |
| Protection class (IP): | IP54 |
