User's Manual

Table Of Contents
DIB-500 R4.1 Setup and commissioning
Connecting equipment racks (as of 5 carriers)
104 Installation, Operation and Service Manual 90DIB500R41IM_FCC02 99.1
The power supply cables must have been connected to the top hat rail power sup-
ply unit.
The LRU must be installed.
Carry out the following steps:
Risk of damage
The connected wires of the voltage supply cables connected to the top hat rail power
supply unit may be torn out of the terminals.
Proceed with caution when installing the top hat rail power supply unit.
Ensure that the voltage supply cables do not get caught on any projecting parts dur-
ing installation.
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.
Plug the top hat rail power supply unit onto the top hat rail from above, refer to Fig-
ure 5.12 on page 103. The catch must snap in audibly.
You have successfully installed the top hat rail power supply unit.