DIB-500 R4.1
Commissioning
Connecting external alarms (optional)
100
Installation and Operation Manual 90DIB500IM02 – 5.2
Strain Relief of Connected Cables / Connecting Lines
When connecting cables and connecting lines, you must ensure that they are protected
against tensile strain.
5. Fasten the connected cables in the equipment rack in such a way that they are pro-
tected against tensile strain, e. g. by using cable ties.
✓
You have successfully connected external alarms.
5.5.4
Mounting the top cover of the mounting frame
The top cover of the mounting frame must be mounted again for normal operation.
The procedure for mounting the top cover of the mounting frame is described in the fol-
lowing.
Proceed as follows to mount the top cover of the mounting frame:
Preparation:
✓
The network element must have been put out of operation temporarily, refer to sec-
tion 6.1 on page 133.
✓
The equipment rack must be accessible from above.
✓
The tools and aids must be available, refer to section 5.5.1 on page 96.
✓
You need the mounting screws you removed before.
Carry out the following steps:
Electric shock when touching live parts. Hardware components in the equipment
cabinet are live.
➔
When performing work in the equipment cabinet, ensure that the voltage source on
site is switched off.
1. Position the top cover of the mounting frame.
2. Tighten the mounting screws of the upper cover of the mounting frame. Use a size
1 Phillips head screwdriver for this purpose, refer to Figure 5.17.
✓
You have successfully mounted the top cover of the mounting frame.
