STEP-1: 

1) Open your browser  (mozilla, IE, chrome atau safari)

2) Type IP address modem : 192.168.1.1   (as shown below)

3) Type User Name : admin or user

4) Type Password: admin or user

STEP - 2:

1) Click Application

STEP-3:

1) Select Port forward

 STEP-4:

1)  Enable : Tick

2) Name : Give any name you want

3) Protokol : TCP

4) WAN host Start IP Address:  (leave blank)

5) WAN host End IP Address: (leave blank)

6) WAN Connection : omci_ip4_ppp0e_1

7) WAN start port : input DVR Port (e.g: 8000)

8) WAN end port : input DVR port (e.g: 8000)

9) Enable map maping  : leave blank

10) LAN host ip address: input DVR IP address (e.g: 192.168.1.10)

11) LAN start port : input  DVR port  (e.g: 8000)

12) LAN start port : input  DVR port (e.g: 8000)

13. Click Add 

14. You are DONE