Chapter 2: Physical installation 
TruVision DVR 12HD User Manual  13 
Description  Use  Specification 
.  One audio output  Connect to speakers for audio 
output. 
RCA jack, 315mV, 600 ohms. 
Unbalanced. 
Line-level audio requires 
amplification. 
.  10/100/1000 RJ-45 
network interface 
Connect to a network.   
.  One RS-485 port  Connect a RS-485 device such as a 
PTZ camera or a keypad. 
 
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. 
Each PTZ camera must be set up 
individually. For information on 
configuring PTZ dome camera 
settings, see “Configure PTZ 
settings” on page 70. 
.  12 VDC PSU connector  Connect a PSU.   The PSU is shipped with the 
recorder. 
.  Power switch  Turn the recorder on/off.   
.  Ground  Connect to ground.   
 
Monitor connections 
Connect a monitor to one of the recorder’s outputs (BNC/VGA/HDMI). The recorder 
provides a 1 Vp-p CVBS signal. See Figure 1 on page 11 for connecting a monitor to a 
recorder. 
The recorder supports up to 1280 × 1024 / 60 Hz resolution in VGA/HDMI. The monitor 
resolution should be at least 800 × 600. Adjust your monitor accordingly to this 
resolution.  
Rack mounting 
TVR 1204cHD is 1U & non rack mountable. TVR 1208/16HD is 1.5U and is rack 
mountable using the rack mount ears delivered with the product. See Figure 6 below.