User's Manual

Table Of Contents
Installation, Operation and Service Manual 90DIB500R41IM_FCC02 99.1 171
DIB-500 R4.1 Component replacement
Safety measures and prerequisites
11 Component replacement
This chapter describes the component replacement of hardware components and, if
necessary, the configuration or the software update of installed software components.
The safety measures to be followed and prerequisites for the corresponding tasks are
described in section 11.1 on page 171. The hardware components that can be replaced
are described in section 11.2 on page 172. Tools, aids and materials required for the
replacement are described in section 11.2 on page 172.
The product has been designed for continuous operation. In a few cases, however, it
may be required to replace installed hardware components and/or update software
components installed on the hardware components.
Possible reasons:
| Replacement due to network optimisation
| Replacement due to disruption in operation
11.1 Safety measures and prerequisites
For the component replacement, the following safety measures and prerequisites must
be observed:
| The safety regulations must be considered at all times, see chapter 2 on page 21.
| Observe all other activity-based safety measures and prerequisites in the activity
descriptions in this chapter.
| The front of the equipment cabinet must be accessible (clearance of at least 700
mm, refer to the document "Site Requirements").
| It must be possible to completely open or remove the cabinet door(s) and the top
cover.
| Required tools, aids and materials must be available, see section 11.2 on page 172.
| Note that the component replacement of individual hardware components may
require preparatory and finalising tasks. The are described at the beginning of the
corresponding section.
| Keep all the materials such as fastening screws in a safe place. You will need them
again.
| Cables to be removed must be reconnected correctly when the component is
installed. Mark the cables accordingly to ensure that they are connected properly.