User's Manual

Table Of Contents
DIB-500 R4.1 Setup and commissioning
Installing the GPS antenna
116 Installation, Operation and Service Manual 90DIB500R41IM_FCC02 99.1
Proceed as follows to install the GPS antenna:
Preparation:
The site must be prepared in compliance with the document "Site Requirements".
The tools, auxiliary means and materials specified must be available, refer to
section 5.2 on page 90.
The antenna mounting kit including the GPS antenna supplied must be available.
Carry out the following steps:
1. If you are installing the antenna on a mast, fasten the fibre ribbon on the antenna
mast as an additional means of securing the GPS antenna against slipping.
The GPS antenna must not be installed on the antenna mast of the TX antenna of
a base station. Otherwise reliable decoupling cannot be guaranteed.
Exclusively install the GPS antenna in appropriate locations such as on building
roofs.
2. Position the GPS antenna at the installation site.
3. When installing the antenna on a mast, use a size 1 cross-head screwdriver to fas-
ten the mounting clamp on the holder of the GPS antenna with the cross-head
screws, refer to Figure 5.19. The mounting clamp can be installed on the holder of
the GPS antenna either horizontally or vertically.
Figure 5.19 GPS antenna – installing the mounting clamp
4. Tighten the corresponding fastening screws to install the GPS antenna at the
installation site. Use a size 4 Allen wrench for this purpose.