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
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