Home Products IP (ViP) system Internal units Central Porter Switchboard 1953 1953 1953 Share 8 Product code: 1953 Desktop version of the audio-video porter switchboard with 8 Availability : In Stock System: Application example: Share Mail Whatsapp download Datasheet (1) Technical manual (1) Warning (1) 1953 - Datasheet Datasheet .pdf 259 KB 1953 - Technical manual Technical manual .pdf 1.6 MB Warning Warning .pdf 89.4 KB download Datasheet (1) 1953 - Datasheet Datasheet .pdf 259 KB Technical manual (1) 1953 - Technical manual Technical manual .pdf 1.6 MB Warning (1) Warning Warning .pdf 89.4 KB