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WindoWall Pro Series • Reference Information 70

The most common IP address classes are:

Class Name Valid Address Range Identifier Arrangement

Class A 0.0.0.1 to 127.255.255.254

NNN.HHH.HHH.HHH

Class B 128.0.0.1 to 191.255.255.254

NNN.NNN.HHH.HHH

Class C 192.0.0.1 to 223.255.255.254

NNN.NNN.NNN.HHH

NNN

refers to the network identifier and HHH refers to the host identifier.

Choosing IP Addresses

If the computer and the WindoWall Pro are directly connected or connected via their own

independent network, follow the guidelines below for choosing the IP addresses.

However, if you intend to connect your computer and WindoWall Pro to an existing network,

you need to advise the network administrator and ask the administrator to allocate suitable

IP addresses.

On an independent network, it is generally recommended that you use the Class C format

(from 192.0.0.1 to 223.255.255.254).

There are two rules for choosing IP addresses:

• Network identifier must be the same for each IP address

• Host identifier must be unique for each address.

Applying these rules to Class C addresses, the first three decimal values of your IP address

must all be the same while the last value is used to uniquely identify each device.

The following is an example of a valid Class C addressing scheme:

Device IP Address

WindowWall Console Software computer 208.132.180.41

WindoWall Pro Signal Processor 208.132.180.42

NOTE: The host identifiers (41 and 42 in the above example) do not need to be

sequential or in any particular order. However, it is recommended that you group the

numbers for simplicity.

The following is an example of an invalid Class C addressing scheme:

Device IP Address

WindoWall Console Software computer 208.132.180.41

WindoWall Pro Signal Processor 192.157.180.42

NOTE: The above addresses are invalid because the network identifier for each address

is not the same even though each IP address is unique.

You can perform a test from your computer to check that a device at a particular address is

responding correctly or to determine its address (see Pinging for the IP Address on the

next page).

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