
Chapter 4 - Installing the unit
18 Version 1.7.2.0 March 27, 2015
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DHCP versus static IP
Notes:
Care should be taken when choosing to use Dynamic Host Configuration Protocol
(DHCP), rather than a static IP address. DHCP mode is provided as a convenience when
using units in informal settings or for test purposes. A static IP address should always be
used when units are deployed in end-user installations. DHCP-obtained IP addresses
depend on a lease to be maintained by the DHCP server in order to keep an assigned IP
address. If the IP address lease is allowed to expire, there is a chance that the IP address
assigned to one or more units could be lost, changed or reassigned, resulting in the loss of
control or audio from a project.
The network administrator should be able to give you a range of static (or fixed) IP
addresses to use for your project. When requesting these IP addresses, be sure to obtain
enough to cover each unit.
Connecting up the unit
1. On the side of the unit, insert an Ethernet cable into one of the Ethernet ports, then connect
the other end of the cable to a local Ethernet switch.
The nTouch 180 unit is configured to connect to a DHCP server to obtain an IP address
and network settings. If it cannot find a DHCP server, an IP address starting with 169 will
be used.
2. If you are using serial connections, connect the serial cables to the serial ports.
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