DIB-500 R4.1
Commissioning
Connecting external alarms (optional)
96
Installation and Operation Manual 90DIB500IM02 – 5.2
5.5.1
Tools and aids
You need the following tools and aids to perform the procedure(s described:
|
Coin to unscrew/tighten the fastening screws of the equipment rack top cover
|
No. 1 Phillips head screwdriver
|
Size PH2 Phillips head screwdriver
5.5.2
Removing the top cover of the equipment rack
The alarm input/output module is installed in the mounting frame, refer to 3.2.3.3 on
page 36The top cover of the mounting frame must be opened to be able to access the
alarm input/output module. The top cover of the equipment rack must be removed to be
able to access the mounting frame.
The top cover of the mounting frame is secured with five mounting screws.
The procedure for removing the top cover of the mounting frame is described in the fol-
lowing.
Proceed as follows to remove 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 top cover of the equipment rack must have been removed.
✓
The tools and aids must be available, refer to section 4.4.2.1 on page 66.
Carry out the following steps:
Consumables
Keep all the consumables such as fastening screws in a safe place. You will need them
again.
2
Alarm outputs (O)
O1
O2
O3
O4
O5
O6
Table 5.6
Legend: Alarm input/output module – external alarm inputs/outputs
No.
Description
Alarm input/output