User's Manual

Table Of Contents
Installation, Operation and Service Manual 90DIB500R41IM_FCC02 99.1 95
DIB-500 R4.1 Setup and commissioning
Connecting equipment racks (as of 5 carriers)
2. Loosen the mounting screws of the equipment rack top cover using a coin, refer to
Figure 5.3.
Figure 5.3 Equipment rack top cover - mounting screws
Damage of the earthing connection
The grounding connection may be damaged if you remove the equipment rack top
cover without removing the grounding cable connected on the inside of the cover.
Cautiously lift the top cover of the equipment rack. When doing so, the grounding
cable must not be subject to tensile stress.
3. Loosen the grounding cable by pressing the catch of the blade connector and
pushing the blade connector out of the catch..
4. Remove the top cover of the equipment rack.
5. Remove the transportation lock, if necessary.
You have successfully removed the top cover.
5.5 Connecting equipment racks (as of 5 carriers)
For variants with five or more carriers (hybrid and cavity), two equipment racks are used
equipped with a total of three or four TIB transceiver modules and two antenna coupling
systems (ACS). Upon delivery, no connection exists between the equipment racks. This
connection must first be established. The procedure for connecting the two equipment
racks (A and B) is identical for the hybrid and cavity variant.
For connecting equipment racks (starting with five carriers), the tasks listed in the fol-
lowing table must be performed.
Table 5.3 Overview of the tasks to be performed (Connecting equipment racks (as of 5 carriers))
Tasks/work steps Described in
Assembly of the redundancy package – optional Section 5.5.1 on
page 96
Connecting the equipment racks A and B Section 5.5.2 on
page 105