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4 Trilogy Networx™ Wireless Setup & DL-Windows Configuration Instructions

START HERE

This section will help you define the steps required to suit the

specific needs of your installation. Let's start with the big

questions first, because the installation steps that follow de-

pend on your answers. Note: The underlined

words are de-

fined in the Terminology section on page 6.

PRELIMINARY QUESTIONS

You may not have answers to the following questions

now, but understand that they are intended to encourage

thought and help evaluate your needs.

 Are you planning to use a large Corporate Network

or a smaller network provided by single router?

Smaller networks permit the dynamic assignment of IP

addresses by DHCP; larger networks may require

static (fixed) IP addresses be reserved by your net-

work administrator.

 Will you use "Emergency Commands"?

Three Emergency Commands are available in your

wireless system: "Global Lock Down" locks all doors

in the system; "Global Passage" unlocks all doors in

the system; "Return to normal" exits these Emer-

gency Commands. Emergency Commands will NOT

work if you use DHCP (static IP addresses are re-

quired).

 Will your Gateways need to communicate across

multiple Subnets?

To improve security and processing performance, net-

work administrators often divide their corporate Intra-

nets into interconnected but separate segments called

"subnets".

If the answer to ANY ONE of the above questions is

"yes", we recommend static IP addresses be re-

served for exclusive use by your Gateways. If the

answers are "no" for all of the questions, and you want to

use a smaller network provided by a router, you can as-

sign static IP addresses yourself using the instructions

that came with your router; if you want to use a corporate

network, you must contact your network administrator to

have static IP addresses reserved for your use.

SUBNETS

Use the following information when installing multiple wire-

less Networx Gateways within a corporate Intranet that

contains multiple "subnets".

To improve security and processing performance, corpo-

rate Intranets are often divided into interconnected but

separate segments called "subnets". The IP (Internet Pro-

tocol) address is a unique address of a device (such as a

computer or a Gateway) connected to a TCP/IP corporate

Intranet.

DL-Windows can only Discover

Gateways when the Gate-

ways are connected to the same subnet to which DL-

Windows is also connected.

IP addresses are written as four groups of numbers sepa-

rated by periods; these groups are called "octets". IP ad-

dresses can be permanent ("static") or dynamically as-

signed (by DHCP) when a device, such as a Gateway, is

powered.

Class B Subnets

Some corporate Intranets contain multiple "Class B" sub-

nets; the "Class B" refers to the octet that does not

change, if naming each octet from left to right. An exam-

ple of two "Class B" subnets where the first two octets of

each network IP address remain the same are:

A B C D

● Subnet 173.16.100.xxx

● Subnet 173.16.200.xxx

In this example, the "A" and "B" octets "173" and "16" are

the same within the network. (Note: The "xxx" is a way of

showing a variable number).

As shown in the image above, if the computer running DL-

Windows is connected to the first subnet (173.16.100.

xxx), and several Gateways are connected to the second

subnet (173.16.200.xxx), DL-Windows will ONLY be able

to communicate with the Gateways on the second subnet

when:

● ALL Gateways use only static IP addresses, and

● The network administrator allows for open addressing

between the two subnets in the network

The network administrator may decide to use routing ta-

bles or may specify blocks of addresses through which the

two subnets can freely communicate in both directions.

Regardless of the method selected, your network

administrator must determine the range of network

addresses to assign to the Gateways and to the DL-

Windows computer. As shown below, three address

fields must be obtained from your network administrator:

IP Address, Subnet Mask, and Default

Gateway.

We recommend using static IP addresses

We recommend using static IP addresses for each Gate-

way you install because they have the following advan-

tages:

● DL-Windows software performs more smoothly be-

Subnet

173.16.100.xxx

Subnet

173.16.200.xxx

GATEWAYS ON DIFFERENT SUBNETS WITHIN A NETWORK

PC Running

DL-Windows

Software

GATEWAY

ROUTER or

SWITCH or SERVER

GATEWAY