OPTICOM 4 CHANNELS MPEG-4 DIGITAL VIDEO RECORDER - V 1.2 Instruction Manual page 16

1-3-2. Network connections
LAN Connection – Using the cross cable, without a switching hub
Connect to the system directly, using a cross type network cable
LAN Connection – Using a switching hub
Connect to the system, using a hub (Switching hub) and an Ethernet cable (10BASE-
T/100BASE-TX CAT 5 LAN cable)
Internet (ADSL) Connection
Connect to the system, using an Router or ADSL modem and an Ethernet cable (10BASE-
T/100BASE-TX CAT 5 LAN cable)
NOTICE
If you have a IP line with one IP address (whether it is dynamic IP or fixed IP), but you have more than
one internet device (such as PC/PCs and a DVR); to use Router (It is different from a simple Network
Hub); you must set up the Router to work with DVR; and you must use a network capable PC within the
local Router network to do the setup. Whether you are using an existing Router or a new Router, you must
go through the Port Forwarding portion of the setup.
Cross type cable
IP Router or HUB
IP Router or HUB
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ADSL Modem
Internet