Chapter 2: Installation
6 TruVision DVR 12 User Manual
Audio inputs and output
The unit is equipped with four audio inputs and one audio output. Both the audio
output and the audio inputs are line-level.
RCA jack, 315mV, 600 ohms. Unbalanced
Note: Line-level audio requires amplification.
RS-485 port
There is one RS-485 port on the back panel of the DVR to connect a PTZ dome
camera or keypad. See Figure 3 for the serial pin outs.
Figure 2: RS-485 pin outs
D+: Connect to the RS-485 A connection on the
dome camera or keypad.
D-: Connect to the RS-485 B connection on the
dome camera or keypad.
RS-232 port
Use the RS-232 port to connect CBR-PB3-POS (point-of-sale) and ATM devices
to the DVR such as the UTC ProBridge accessory. See “Configuring the RS-232
port” on page 99 for more information.
PTZ dome camera set up
Use the USB mouse provided or the optional keypad for local telemetry control. If
using the DVR over a network, use the web browser to control the PTZ dome
cameras or TruVision Navigator.
See Appendix B on page125 for the supported protocols, and Appendix F on
page 139 for the PTZ commands supported by each protocol.
Each PTZ camera must be set up individually. For information on configuring
PTZ dome camera settings, see Chapter 10, “Controlling a PTZ camera” on page
73.
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