Gps Connections; Figure 63: Rx Connection Between Mts 4 Prime Cabinet And Mts4 Expansion Cabinet; Figure 64: Holes In Top Lid For Rx Cables - Motorola MTS LiTE Installation, Configuration And Basic Service Manual

6802800U74-AN
Chapter 4: Hardware Installation
• For Single diversity, Filter 1 (far left) in the MTS 4 Prime Cabinet is connected to the RX Splitter 1 in
the Expansion Cabinet.
• For Dual diversity, Filter 1 (far left) in the MTS 4 Prime Cabinet is connected to the RX Splitter 1 in
the Expansion Cabinet; Filter 2 (far right) is connected to the RX Splitter 2 in the Expansion
Cabinet.
• For Triple diversity, Filter 1 (far left) in the MTS 4 Prime Cabinet is connected to the RX Splitter 1 in
the Expansion Cabinet; Filter 2 (far right) is connected to the RX Splitter 2 in the Expansion
Cabinet; Filter 3 (in the middle) is connected to the RX Splitter 3 in the Expansion Cabinet.

Figure 63: RX Connection Between MTS 4 Prime Cabinet and MTS4 Expansion Cabinet

MTS 4 PRIME CABINET
FILTER
REAR VIEW
BR1 BR2 BR3 BR4 Exp.
Cabinet
MTS 4
EXPANSION
CABINET
NOTICE: Rx connection cables between the MTS 4 Prime Cabinet and the Expansion Cabinet
are routed on the outside of the cabinet, as shown in the Figure below.

Figure 64: Holes in Top Lid for Rx Cables

4.8

GPS Connections

The MTS Site Controller (SC) has an integrated GPS module and an option for a remote GPS module.
The selection is done by configuring MTS using the BTS Service Software (TESS). The integrated
GPS module can track both GPS and GLONASS satellites. At least 1 GPS satellite needs to be traced
to provide time reference for the SC. Remote GPS module currently supports GPS and Beidou GNSS.
GLONASS on the remote GPS module will be supported in the future.
The main purpose of the GPS module is to allow accurate absolute timing of less than ½ of a symbol
between adjacent base stations and to supply UTC (Universal Time Coordinate). DIMETRA does not
need the functionality of measuring the cable delay at start-up. The Site Controller supports connection
to a remote GPS antenna that is 600 m away or less. No manual configuration is required.
The antenna/receiver must have a sufficiently clear view of the sky (10º above the horizon in all
directions without any obstructions) to be able to locate and track at least four satellites during initial
12
2
FILTER FILTER
REAR VIEW
REAR VIEW
BR1 BR2 BR3 BR4 Exp. BR1 BR2 BR3 BR4 Exp.
Cabinet Cabinet
RX SPLITTER RX SPLITTER
REAR VIEW REAR VIEW
BR1 BR2 BR3 BR4 Prime BR1 BR2 BR3 BR4 Prime
Cab
Holes in Top lid for connecting
Filters in Prime Cabinet to RX
Splitters in Expansion Cabinet
RX SPLITTER
REAR VIEW
BR1 BR2 BR3 BR4 Prime
Cab Cab