Interconnections; Multiplexers - Bosch DVR1A1081 Installationshandbuch

DVR1A1081 | Installation Manual | Chapter 2

2.4 Interconnections

The DVR can be connected to a wide range of
multiplexers, quads or directly to a camera.

2.4.1 Multiplexers

The drawing below shows how to connect a multiplexer
to the DVR.
• Connect the monitor to the BNC socket marked
Monitor Out on the rear of the DVR.
• Connect the main monitor output of the multiplexer
to the BNC socket marked Monitor In on the rear of
the DVR.
Multiplexer
Power switch
Power
AC 100-240
100-240 Vac
Bosch Security Systems | 2004-11
MON B MON A
Mux main
Monitor In
Off
Monitor Out
Monitor
• Connect the VCR output of the multiplexer to the
BNC socket marked Video In on the rear of the
DVR.
• Connect the VCR input of the multiplexer to the
BNC socket marked Video Out on the rear of the
DVR.
• To synchronise switching with the multiplexer
connect the VEXT and GND connections on the
rear of the unit to the connector of the multiplexer.
When the connections are made, refer to the system
menu to select the type of multiplexer you are using.
1 2
VCR OUT VCR IN
RS-232
connector
Video
RS 232
In
Looping out
Out 1 Out 2
Cameras
3 4 5 6
IR remote
control eye
connector
Remote Control
GND VEXT
EN | 9