Speco Technologies 16TH User Manual

Page of 175
 
User’s Manual
 
 
DVR-4TH/8TH/16TH Series 
SPECO TECHNOLOGIES 07/10
 
17
Connecting Required Devices 
Before powering up
, you should connect cameras and a main monitor to the 
unit for basic operation. If needed, connect a call monitor for displaying full 
screen video of all installed cameras in sequence. 
 
Connecting Short-term Device 
If you plan to install any short-term external devices, such as USB DVD+RW, 
USB Hard Disk Drive, etc, to the DVR-4TH/ 8TH/ 16TH series and want to 
use them as part of the unit system, make sure those devices are 
connected only after the DVR-4TH/ 8TH/ 16TH is powered up.
 The 
DVR-4TH/ 8TH/ 16TH series unit can only recognize the external devices 
after the power-up process is completed. 
 
2.4   
Rear Panel Connections 
There are several connectors on the rear panel of the DVR-4TH/ 8TH/ 16TH 
series unit available for installations. The following figure shows the 
connectors by name and a detailed description of each connector follows. 
 
 
 
There are two differences on the rear panels of different models:   
1.  The BNC channel connectors are provided according to the supported 
number of channels, respectively 4-ch, 8-ch, and 16-ch. 
2.  The terminal blocks of audio in/out and alarm I/O for DVR-4TH/ 8TH is 
smaller whereas the terminal blocks of audio in/out and alarm I/O for 
DVR-16TH is larger. 
 
The detail description of each connector is as the followings.