User's Manual

Table Of Contents
DIB-500 R4.1 Component replacement
Replacing components of the VAC and alarm system expansion – optional
202 Installation, Operation and Service Manual 90DIB500R41IM_FCC02 99.1
3. Loosen the mounting screws of the retaining brackets on the front of the equipment
rack using a Torx screwdriver size TX 20 x 80, refer to Figure 11.20.
Figure 11.20 Mounting frame mounting screws
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.
4. Cautiously pull the component out of the subrack until the cover of the V
DC
voltage
supply connectors on the side of the component is accessible, refer to Figure
11.21.
Figure 11.21 Mounting frame – cover of the DC voltage supply connectors (top view)
5. Loosen the nut of the earthing connector using a size 10 wrench.
6. Loosen the mounting screws of the DC voltage supply connector cover using a
size 1 cross-head screwdriver, refer to Figure 11.22.
Figure 11.22 Mounting frame – cover of the DC voltage supply connectors (side view)