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MDS iNET Series Reference Manual
05-2806A01, Rev. L
Supplement Legacy Wireless Networks with IP Services
The iNET Dual Gateway model can support up to two serial devices and one Ethernet connection at the
same time. The serial interfaces (
COM1
and
COM2
) operate in two different modes: Connectionless UDP
and connection-oriented TCP.
In the UDP mode, the transceiver supports point-to-multipoint serial-port to serial-port connectivity. In the
TCP mode, it supports point-to-point Ethernet/IP to serial port connectivity.
For further details on the transceiver’s Serial Gateway interface modes, see
“Configuring the Serial Ports”
1.3.7 High-Speed Mobile Data
The iNET radios support high-speed data communications in a mobile environment. Remote radios roam
between different access points, providing seamless transitions and continuous coverage. For additional
information on configuring a mobile network, refer to “Mobility Configuration Menu” on Page 47.
1.4
Network Design Considerations
1.4.1 Extending Network Coverage with Repeaters
What is a Repeater System?
A repeater works by re-transmitting data from outlying remote sites to the Access Point and vice-versa. It
introduces some additional end-to-end transmission delay but provides longer-range connectivity.
In some geographical areas, obstacles can make communications difficult. These obstacles are commonly
large buildings, hills, or dense foliage. These obstacles can often be overcome with a repeater station.
Option 1—Using Two Transceivers to Form a Repeater Station (back-to-back re-
peater)
Although the range between transceivers can be a nominal 40 km (25 miles) over favorable terrain, it is pos-
sible to extend the range considerably by connecting two units together at one site in a “back-to-back”
fashion to form a repeater, as shown in Figure 1-8. This arrangement should be used whenever the objective
is to utilize the maximum range between stations. In this case, using high-gain Yagi antennas at each loca-
tion will provide more reliable communications than their counterparts—omnidirectional antennas.
Invisible place holder
Figure 1-8. Typical LAN with a Repeater Link
Access Point
Remote
Remote
Remote
Remote
Access
Point
LAN/WAN
REPEATER
Crossover Cable
LAN
LAN
LAN
Ethernet
POINT
-TO-POINT
LINK
Summary of Contents for MDS iNET Series
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