Motorola MOTOTRBO SYSTEM PLANNER Specifications Page 140

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System Components and Topologies 131
November, 2008
Alternatively, the MOTOTRBO radio user can program his radio to scan between the analog and
digital channels to ensure that they do not miss a call. The programming can be done from the
keypad of the radio or through CPS. Details of scan will be discussed in the following sections.
Below is an example configuration of a mixed repeater mode system.
3.2.2.2.1 Summary of Features in Repeater Mode
All features listed in “Analog Features” on page 78 are supported in analog repeater mode.
3.2.3 IP Site Connect Mode
In IP Site Connect mode, repeaters across dispersed locations exchange voice, data, and control
packets over an IPv4-based back-end network. The potential applications of this mode include:
Connecting two or more dispersed locations for day-to-day communications.
For example, a customer’s manufacturing facility and a distribution facility across towns can
be connected using MOTOTRBO repeaters in IP Site Connect mode.
Building a larger or more effective RF coverage area.
For example, multiple repeaters installed in an amusement park or a high-rise building can
be connected to provide a contiguous area of RF coverage. The need for multiple repeaters
may stem from any combination of geography (distance or topographical interference
problems) and in-building or cross-building RF penetration issues.
Figure 3-28 MOTOTRBO Digital Radios on a Two-Slot MOTOTRBO Digital Repeater with Analog Legacy
Repeater Support
MOTOTRBO SU
(analog mode & digital mode)*
RX = f4
TX = f3
f
3
f4
analog
f
3
f4
Legacy
Analog SU
RX = f3TX = f4
analog
RX = f
4
TX = f3
Legacy
Analog Repeater
* changed via mode choice
f
1
s
1
f
2
s
1
MOTOTRBO
Digital Repeater*
RX = f
1TX = f2
d
i
g
i
t
a
l
MOTOTRBO SU
(digital mode)
Slot 1
Slot 2
RX = f
2
TX = f
1
Slot = 1
RX = f
2
TX = f1
Slot = 1
f
1
s
1
f
2
s
1
d
i
g
i
t
a
l
f
1
s
2
f
2
s
2
d
i
g
i
t
a
l
RX = f2
TX = f1
Slot = 2
MOTOTRBO SU
(digital mode)
RX = f
2
TX = f1
Slot = 2
f
1
s
2
f
2
s
2
d
i
g
i
t
a
l
Legacy
Analog SU
RX = f5TX = f6
MOTOTRBO SU
(analog mode & digital mode)*
RX = f6
TX = f5
f5
f6
analog
MOTOTRBO
Analog Repeater
f5
f6
analog
RX = f
6
TX = f5
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