Chapter 3— Operating the Terminal in a Network
Trakker Antares 242X Handheld Terminal User’s Manual
57
If you are using a DHCP (Dynamic Host Configuration Protocol)
server in a UDP Plus or TCP/IP network, you can leave the default
terminal IP address as 0.0.0.0 to enable the 2425 as a DHCP client. For
help, see “DHCP (Terminal)” in Chapter 6 of the 2400 Family system
manual.
• Enable all 2425 terminals.
To use dcBrowser, you do not define the host environment parameters.
You need to:
• create an HTML application.
• configure the dcBrowser gateway.
Configuring the Access Points
Access points act as bridges to provide communications between the wired
network and the RF (UDP Plus, WTP, or TCP/IP) networks. After you
configure the network, you can collect data anywhere within range of the
access points in the wireless network. When you move out of range of one
access point, the 2425 automatically searches for other access points to
continue the network connection.
If you are out of range of all access points in the network, the data is stored
in the terminal’s radio buffer. The Network Connect status icon turns off.
You can continue to collect data until the radio buffer is full. When the
buffer is full, the application displays a communication timeout status.
When you move back into range and network communications are re-
established, the data in the radio buffer is transmitted to the access point
and you can once again transmit data.
In a TCP/IP direct connect network with a terminal running a terminal
emulation application, the application may disconnect from the host if you
remain out of communications range too long or if the host sends “Keep
Alive” messages while the terminal is in Suspend mode. You may need to
restart the application and log back into the host to re-establish a terminal
emulation session. In a UDP Plus or WTP network, the session is
maintained any time the terminal is out of range or in Suspend mode.
To communicate through the network, all RF terminals and access points
must contain the same type of radio, either a WLI Forum OpenAir or an
IEEE 802.11b radio. Depending on the radio in the terminal, you must
set certain parameters to the same configuration on both the terminal and
the access points.
OpenAir Radio
To use OpenAir radios in your network, you need to configure:
• Domain. On the access points, the Domain parameter is called the LAN
ID (Domain) parameter.
Summary of Contents for Trakker Antares 2400
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