20
en | Connections and settings
3.8
Connecting a RS-422/485 device
Use this port to connect PTZ cameras.
Connect the PTZ serial communication lines to the RS-422/485 terminal.
Figure 3.2 RS-422/485 connections
Table 3.1 RS-422-485 connections
F01U | 2.0 | 2008.12
Notes:
•
When connecting lines, connect the TX- of the DVR to RX- of the PTZ
unit and TX+ of the DVR to RX+ of the PTZ unit correctly.
•
Recommended initial data are 9600 Baud Rate, 8 Data bits, 1 Stop bit
and No parity.
•
When connecting PTZ cameras to DVRs it is necessary to set the setup
menu for this unit according to the RS-485 settings of the camera and
DVRs.
RS-422/485 Terminal
TX- (DATA -)
TX+ (DATA +)
RX- (DATA -)
RX+ (DATA +)
GND
User Manual
Digital Video Recorder
Description
Data Transmission
Data Transmission
Data Reception
Data Reception
Shield
Bosch Security Systems