Installation; Lens Mounting - Bosch NBN-921 Installation And Operation Manual

24 en | Installation
5

Installation

CAUTION!
Installation should only be performed by qualified service
personnel in accordance with the National Electrical Code or
applicable local codes.
5.1

Lens mounting

Figure 5.1 Mounting a lens
Pin Video iris lens
1 Supply (11.5V ±0.5, 50mA max.)
2 Not used
3 Video signal 1Vpp 1kOhm
4 Ground
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.
AR18-10-B013 | v1.52 | 2011.06
Bosch
Installation and Operation Manual
DinionHD 720p IP Camera
Figure 5.2 Lens connector
DC iris lens
Damp -
Damp +
Drive +
Drive -
Bosch Security Systems
Bosch