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Installation
CER International bv 13
Connecting to the network
Before connecting the controller to the network, you might want to consult your network
administrator. You can employ the controller at various points in your ethernet network
as shown below.
Make sure the IP addressing scheme of your controller does not interfere with your
existing network configuration. The chapter "IP configuration" takes the myths out of it.
Three ways to connect your controller to Ethernet:
LAN
Internet
gateway/
router
Local LAN
Remote WAN
Point-to-Point
Local LAN: The controller is part of the local Ethernet network by connecting it
to the hub or switch using a straight cable, just like your own
workstation.
Remote WAN: When you co-locate the controller, you can connect to it through a
public network like the Internet. In this case, the controller is
connected to the network through your Internet gateway/router
with Port Forwarding support using the supplied straight cable. The
gateway/router establishes the connection between your ISP and
the controller.
Point-to-Point: You can connect the controller to your workstation directly using a
crossed ethernet cable (not supplied). Use this setup where you
don't have a Ethernet LAN available or when you don't want to use
it for the controller.
Decide first where you want to connect the CER controller as it affects some of the steps
in the installation, most importantly cabling requirements and IP configuration.