User's Manual

Table Of Contents
Installation, Operation and Service Manual 90DIB500R41IM_FCC02 99.1 119
DIB-500 R4.1 Setup and commissioning
Connecting antennas
5.10 Connecting antennas
The following sections contains a description of the wiring diagrams for the FlexibleTx
variant.
| Connecting antennas (GPS and TETRA)
| Connection of external antenna coupling systems – Optionally, only FlexibleTx vari-
ant
5.10.1 Connecting antennas (GPS and TETRA)
Each equipment cabinet features three antenna connectors – two for TETRA antennas
(A and B) and one GPS antenna connector. All the antenna connectors are routed from
the front of the respective TIB transceiver module or ACS to the top of the respective
equipment cabinet.
To ensure proper operation of the antenna system, you have to connect the TETRA
antennas (antenna A and B (optional for diversity)) as well as the GPS antenna.
Figure 5.22 shows the antenna connections on the upper side of the equipment rack.
The following table describes it in detail.
Figure 5.22 Antenna connectors – equipment cabinet top view
The procedure for connecting the antenna(s) to one equipment rack is described in the
following.
Proceed as follows to connect an antenna / antennas:
Preparation:
The site must be prepared in compliance with the document "Site Requirements".
Table 5.13 Legend: Antenna connections – top view of equipment rack
No. Description
1 GPS antenna connector
2 TETRA antenna connection A
3 TETRA antenna connection B – optional, for diversity
2 31