DVR User Manual
User’s Manual 
DVR-4TH/8TH/16TH Series 
SPECO TECHNOLOGIES 07/10
84 
NOTE:  The DVR must be connected to the *Real IP address, or be 
assigned a specific port using **Port Forwarding technique. 
*A "Real IP" is the IP address that is assigned to you by your ISP. 
**A "Virtual IP" is the IP address assigned either manually or through 
DHCP. When the user is assigned a Virtual IP, the user must use Port 
Forwarding technique to assign a specific port to the DVR.     
5.1.7.8  UPnP Setup 
Universal Plug and Play (UPnP) integrates a universal protocol for 
widespread plug-and-play devices to ease the network implementation. When 
a PC and the DVR-4TH/ 8TH/ 16TH series unit both installed the UPnP 
function, the PC can automatically recognize the DVR-4TH/ 8TH/ 16TH series 
unit in the same local area network.   
UPnP Setup 
UPnP  
UPnP NAT Traversal 
ON 
No 
 UPnP 
Select <ON> to enable the UPnP function, or select <OFF> to disable UPnP. 
  UPnP NAT Traversal 
The UPnP NAT traversal function will help to automatically setup a router if 
the  DVR-4TH/ 8TH/ 16TH series unit connects to the internet via a router. 
Select <Yes> to enable, or else select <No> to disable. 
5.1.8  RS485 Setup 
This menu allows the user to setup the parameters of the unit’s RS-485 
communications port. From the Main menu, select <RS485 Setup> and press 
ENTER. The following menu is displayed. 
RS485 Setup 
Unit ID 
Baud Rate 
Bits 
Stop 
Parity 
224 
9600 
8 
1 
None 
5.1.8.1  Unit ID 
This item is used to change the RS-485 ID address of the unit. The ID is with 
the range of <1> to <255>. The default is <224>. 










