Doug Fleenor Design NODE2 Handbuch - Seite 5
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must have the same network-part and a unique host-part. Doug Fleenor Design recommends
users use Network 10 (address 10.X.X.X), which is intended for private (dedicated) networks
that are not connected to the internet. Another private network number is 192.168 (address
192.168.X.X). (Author's note: sACN sends DMX512 data on network address 239.255.X.X
regardless of the Node's address or mask. Thus, some aspects of a sACN network may work
even if the address and/or mask do not match.)
Subnet mask. A 32-bit IPv4 address has two parts: the network-part and the host-part. The
number of bits dedicated to each part varies by application and is historically represented by
the subnet mask. The subnet mask is a 32-bit binary number starting with a series of ones,
followed by series of zeros, such as 11111111 00000000 00000000 00000000, with ones
representing network-part bits and zeros representing host-part bits. The subnet mask is
typically written in dot-decimal form such as 255.0.0.0. Although the parts of the IPv4 address
can be split in 31 ways, the two most common in lighting are: 8 bits for network, 24 bits for host
(subnet mask 255.0.0.0) and 16 bits for each (255.255.0.0).
DHCP. The Dynamic Host Configuration Protocol is a tool used to automatically assign
addresses and subnet masks. A device that runs the DHCP is called the DHCP server. Not all
networks have a DHCP server, in which case the addresses and subnet masks are set
manually (DFD products ship with a default address and mask that work in most applications).
Note that DHCP is an app that runs on a computer, router, console, or other device on the
network; it is not a separate piece of equipment.
Network Setup
N
2 ships with default settings that will work in most applications:
ODE
Protocol: sACN
Address: 10.X.X.X (where X.X.X is unique to each unit)
Subnet mask: 255.0.0.0
DHCP: enabled
DHCP. Doug Fleenor Design recommends against using DHCP in an entertainment lighting
control network; it typically adds an unnecessary level of complexity. That said, N
with DHCP enabled in case a server is being used. N
parameters and requests them (from the server) each time power is applied. If, upon power-
up, no DHCP server is present, N
ODE
Changing N
2's default settings. Editing N
the bench, prior to installation. Configuration can also be edited over the network but having
the Node visible, and within arm's reach, is nice.
Editable setting:
Device name
Description
Protocol
DHCP
Address
Subnet mask
2 will use its stored address and mask.
ODE
Default
NODE2
Use this description text to identify the unit on the network
sACN
Enabled
10.X.X.X
255.0.0.0
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2 does not save DHCP assigned
ODE
2's settings, if required, is typically done on
ODE
2 ships
ODE