Speco Technologies 2 Channel HDcctv + 8 Channel Full D1 Digital Video Recorder DVR82HD - Manual (Page 41)

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4-8-1. Network Types
4-8-1-1. DHCP
An IP address is automatically assigned by the DHCP server, which automatically assigns the IP address
and other parameters to new devices.
ADSL and other network types that use a variable IP address method uses this process to acquire an IP
address.
4-8-1-2. STATIC
Figure 4.8.1. Network Setup Screen – STATIC
IP address, Subnet Mask, Gateway, and DNS are manually assigned by the user.

IP ADDRESS: The fixed IP address of the DVR unit.

SUBNET MASK: The subnet mask for the LAN.

GATEWAY: The IP address of the Gateway.

DNS (PRIMARY) The primary address of Domain Name Server

DNS (SECINDARY): The secondary address of Domain Name Server
NOTE
Unless DNS is properly set, the DDNS and the e-mail features will not work.