16 en | System overview PAVIRO Call Stations
2018.04 | 04 | F01U306899 Bosch Security Systems
3.2 Bottom
Figure3.3: Bottom view PVA-15CST and PVA-15ECS call stations
Nr. Element Description
1 EXT OUT
port
Connection for call station extension
2 CST BUS
port
Connection to controller
3 LINE port Connection for external audio devices or a
PTT button
4 MIC port Connection for external microphone