Chapter 1: Mts Overview; Mts Platform Description - Motorola DIMETRA MTS 4 Installation, Configuration, And Service Manual

Applicant: Motorola Solutions
Chapter
1
MTS Overview
Motorola TETRA Station (MTS) is a Base Station of a Dimetra IP communication system. A Base Station serves as
the Radio Frequency (RF) interface between the system infrastructure and the mobile stations. Base Stations in a
trunked system have three primary interfaces:
• Receiver to pick up the RF signal from the mobile stations
• Transmitter to send RF signals to the mobile stations
• Wired interface to send audio and control traffic to the system infrastructure
Strategically placed base stations allow users to communicate with other mobile stations, dispatch operators, or
telephone users using the Dimetra IP system.

MTS Platform Description

The MTS provides the interface between the mobile stations within the Dimetra IP system and the rest of the system
infrastructure. The MTS performs the following functions:
• Radio link formatting, coding, timing, framing, and error control
• Timing control supervision to mobile stations (Timing Advance)
• Radio link quality measurements (Signal Quality Estimate)
• Site to site frame synchronization
• Interface translation
• Switching functions between multiple base transceivers (radio carriers)
• Air Interface Encryption
• Local Site Trunking
• Operation, maintenance, and administration agent
There are three different versions of MTS:
• MTS LiTE – available in 400 MHz and 800 MHz versions.
• MTS 2 – available in 260 MHz, 400 MHz, 800 MHz and 900 MHz versions.
• MTS 4 – available in 260 MHz, 400 MHz, and 800 MHz versions.
MTS LiTE is the smallest of the three versions and supports one Base Radio. MTS 2 is the middle size version of the
MTSs and supports from one to two Base Radios. MTS 4 is the largest of the three versions and supports from one to
four Base Radios. The MTS 4 Expansion cabinet supports up to 4 additional Base Radios.
You build up MTS LiTE, MTS 2, and MTS 4 inside cabinets. The MTS cabinets contain card cages. The same card
cage is used in MTS 2 and MTS 4 while a separate card cage type is used in MTS LiTE, which in turn house different
configurations of modules, for example, Power Supply Units, Base Radios, and Site Controllers. These modules
provide the MTSs functionality. The configuration and number of modules determine the MTSs functionality and
capacity.
Equipment Type: ABZ89FC5827 / 109AB-5827
6802800U74-AD | September 2014 |
41 | MTS Overview
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Exhibit D2