Connections and Interfaces
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5.2.6 Ethernet / Network Settings
General
The OMICRON Test Universe software running on your the computer
communicates with the CMC test set via a network connection. Therefore it
is possible to either have the CMC directly connected to the computer’s
network plug by a cable or to have the CMC and the controlling computer
connected to a computer network.
Both network ports can be used equally, and both network ports have link
LEDs (green) and traffic LEDs (yellow flashing) to check the physical
connectivity and proper cabling.
IP Configuration
For the CMC test set to communicate with the controlling computer and the
OMICRON Test Universe software, TCP/IP is used. The IP parameters are
set by either the Test Set Association and Configuration tool or the
OMICRON Device Browser.
The CMC test set can either be set to static IP addresses or use DHCP
(Dynamic Host Configuration Protocol) and AutoIP/APIPA (Automatic
Private IP Addressing).
Additionally, there is a special DHCP server integrated in the CMC test set
to serve IP addresses only for that computer the OMICRON Test Universe
software is running on. Note that this will only take place when there is no
DHCP server in the network. If there is a DHCP server in the network, the
DHCP feature of the CMC test set remains inactive.
If the IP settings conflict with IP settings of other devices in the network, it is
possible to reset the test set to factory defaults (DHCP and AutoIP) by
pressing the Associate button at the rear of the test set while powering up
the test set.
Security / Firewall Settings
To automatically detect and set the IP configuration of CMC test sets in the
network, IP multicasts are used by the Test Universe software. Therefore,
the firewall program has to be configured to allow communication with the
CMC test sets. For the Microsoft Windows Firewall in Windows XP SP2 (or
later), Windows 7 or Windows 8 the configuration of the firewall is done
automatically during installation of the OMICRON Test Universe.
For instructions how to incorporate network-capable CMC test sets like the
CMC 356 into a computer network, refer to the The First Steps to Get
Started chapter of the Getting Started with Test Universe manual.
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