TRAKKER Antares 2420 and 2425 Hand-Held Terminal User’s Manual
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Nugget
4-24
Using the T2425 Between Access Points
The access point acts as a bridge to provide communications between the T2425 and the
Ethernet or token ring network. You may have multiple access points in your RF network
to provide uninterrupted wireless communication at any location within your facility.
To use the T2425 between access points and continue sending and receiving data, you
must follow these guidelines:
• The radio coverage of each access point must overlap to ensure that the roaming
T2425 will always have a connection available.
• You configure each access point with the same RF domain number and security ID.
• You configure the T2425s with the same RF domain and security ID as the access
points to which they may communicate.
• All access points that the T2425s may communicate with and roam between must be
installed in the same IP subnetwork. The T2425 cannot roam between IP
subnetworks.
Once the network is configured, you can collect data anywhere within range of the access
points in the RF network. When you move out of range of one access point, the T2425
automatically polls the other access points in the same RF domain to continue the
network connection.
If you are out of range of all access points in the network, the data is stored in the
T2425’s radio buffer. The Data icon appears on the screen and the Connect icon starts
flashing or 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 T2425 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. For help, see Chapter 6,
“Troubleshooting.” In a UDP Plus network, the session is maintained any time the
terminal is out of range or in Suspend mode.
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