User's Manual

Installation, Operation and Service Manual 90DIB500R41IM_FCC02 – 99.1 163
DIB-500 R4.1 Service interruption
Temporary service interruption
8 Service interruption
The following chapter describes the procedure for the service interruption of the
product.
The following service interruptions are distinguished:
| Temporary service interruption
| Permanent service interruption
A service interruption may be required in the following cases:
| Work on an open equipment cabinet
| The replacement of defective components.
| End of operation,
| System malfunction,
| The integration of further components,
Possible Restrictions for the Service
If a product is taken out of service, the operation of other parts in the radio network may
be impaired as well. Discuss this problem with your service partner to obtain detailed
information on risks and on recommended procedures.
8.1 Temporary service interruption
To interrupt service temporarily, you must turn off the power supply. In addition, depend-
ing on the connection variant on site, the equipment rack must be disconnected from
the voltage source.
Table 8.1 provides an overview of possible connection types and describes required
procedures for disconnection from the voltage source.
In the version with V
AC
voltage supply, one voltage supply cable per rectifier module is
available via the mounting frame of the voltage supply unit in the equipment rack.
Table 8.1 Connection types and procedures for disconnection from the voltage source
Connector type Procedure
Fixed connection (e.g.
distributor box)
Set the corresponding toggle switch on site to the "Off" switch set-
ting or de-energise the fixed connection via a fuse.
Plug with earthing con-
tact
Pull the plug out of the mains socket.