User's Manual

Table Of Contents
Installation, Operation and Service Manual 90DIB500R41IM_FCC02 99.1 101
DIB-500 R4.1 Setup and commissioning
Connecting equipment racks (as of 5 carriers)
Carry out the following steps:
1. Connect the voltage supply cable for the connection between the LRU and the top
hat rail power supply unit with the corresponding terminals of the top hat rail power
supply unit, refer to Figure 5.8 on page 100. Use a size 0.8 x 2.5 flat-bladed screw-
driver for this purpose.
Risk of injury
The equipment rack features sharp edges on the inside. Risk of injury if you do not wear
protective gloves.
Always wear protective gloves for the following process steps.
Risk of electric shock
Electric shock when touching live parts. Hardware components in the equipment cabi-
net are live.
When performing work in the equipment cabinet, ensure that the voltage source on
site is switched off. This must have been checked with a voltmeter.
2. Connect the voltage supply cable for the connection between the top hat rail power
supply unit and the voltage supply connector to the appropriate terminals of the top
hat rail power supply unit, refer to Figure 5.8 on page 100. Use a size 0.8 x 2.5 flat-
bladed screwdriver for this purpose.
3. Place the top hat rail power supply unit onto the upper side of the mounting frame.
Figure 5.9 Upper side of the mounting frame
You have successfully connected voltage supply cables to the top hat rail power
supply unit.