User's Manual

Table Of Contents
Installation, Operation and Service Manual 90DIB500R41IM_FCC02 99.1 201
DIB-500 R4.1 Component replacement
Replacing components of the VAC and alarm system expansion – optional
Connection to a Fixed Connection
The plug with earthing contact can be removed when the DIB-500 R4.1 system is to be
connected to a fixed connection (e. g. distributor box). In this case, the strand ends of
the voltage supply cable/s must be fitted with end sleeves for strands.
Proceed as follows to remove a plug/plugs with earthing contact:
Preparation:
The network element must have been put out of operation temporarily, refer to sec-
tion 8.1 on page 163.
Carry out the following steps:
Remove the plug(s) with earthing contact using the tool required for this purpose.
You have successfully removed a plug/plugs with earthing contact.
11.8.2.2 Replacing the mounting frame and the SC200
Before replacing the mounting frame, the corresponding connections must be removed
to be able to install/remove the mounting frame. The SC200 is always replaced together
with the mounting frame.
Removing the mounting frame
The SC200 and the alarm input/output module are installed in the mounting frame. With
V
AC
voltage supply, additional rectifier modules have been installed that need to be
removed before removing the mounting frame.
Depending on the variant (V
DC
-/V
AC
voltage supply, optionally additional alarming unit),
a grounding cable, the DC voltage supply cable from the terminal block and the AC volt-
age supply cable(s) are connected to the mounting frame.
Proceed as follows to remove the mounting frame:
Preparation:
The network element must have been put out of operation temporarily, refer to sec-
tion 8.1 on page 163.
The tools and aids must be available, refer to section 11.2.6 on page 174.
The preparatory tasks must have been performed, refer to section 11.8.2.1 on
page 197.
The rectifier module(s) must have been removed, refer to section 11.8.1.1 on
page 193.
Carry out the following steps:
1. Remove all cable ties and strain relief devices of the AC voltage supply cable/s.
2. Route the AC voltage supply cable/s appropriately through the equipment rack so
that it does not/they do not get in the way when removing the mounting frame later
on.