Bosch Appliances DVR DVR 440 User Manual
Digital Video Recorder 440/480 Series
Hardware setup | en
25
Bosch Security Systems
Installation and Operation manual
AM18-Q0605 | v2.0 | 2012.04
4.6
USB connectors
A USB 2.0 connector is located at the rear panel of the unit to which a mouse, for example,
can be connected. For convenience, the USB 2.0 port is located on the front of the unit to
connect a mouse or USB memory device. (Recording to a USB-drive is not supported.)
Figure 4.7
USB connector (on front and on rear)
4.7
RS485 port
Connect Bosch or third-party controllable cameras to the unit for pan, tilt, and zoom control.
The Bosch protocol is supported with the following baud settings:
–
9600 baud
–
8 data bits
–
1 stop bit
–
no parity
–
no flow control
Figure 4.8
RS-485 connector
Table 4.3
RS485 pin definition
The recommended cable cross section is AWG 28-16 (0.08-1.5 mm2).
Signal name
Pin number
Description
TX -
1
Data transmission
TX +
2
Data transmission
GND
3
Shield