24 en | Installation DinionHD 720p IP Camera
AR18-10-B013 | v1.52 | 2011.06 Installation and Operation Manual Bosch Security Systems
5 Installation

5.1 Lens mounting

Note
If a short circuit is detected on the lens connector, the message
LENS SHORT CIRCUIT is shown. The lens circuit is
automatically disabled to avoid internal damage. Remove the
lens connector and check the pin connections.
CAUTION!
Installation should only be performed by qualified service
personnel in accordance with the National Electrical Code or
applicable local codes.
Figure 5.1 Mounting a lens Figure 5. 2 Lens connector
Bosch
Bosch
Pin Video iris lens DC iris lens
1 Supply (11.5V ±0.5, 50mA max.) Damp -
2 Not used Damp +
3 Video signal 1Vpp 1kOhm Drive +
4 Ground Drive -