Installation manual

PS10270JENAA01 20/10/2004 141
Replacing the fuses
Textual specification
Two T 3.15, 15 H fuses are integrated in the M6501L/R IP PBX ADS300 power supply module,
to protect the equipment when power surges occur. After finding the cause of the power surge,
use the following procedure to change the fuses in the ICS.
Steps
1 Power off the PBX.
Unplug the power cord and external battery connector from the ADS 300.
2 On the ADS 300, remove the cover of the fuse holder located between the on/off switch and
the mains power connector. Use a tool (for example a small flat screwdriver) as a lever, as
shown in the diagram below.
3 Remove the fuse holder and the damaged fuse(s).
4 Insert the new fuses in the fuse holder.
5 Replace the fuse holder in the ADS 300, and replace the cover by pressing firmly.
6 Reconnect the power lead and the battery connector.
7 Power on the ICS.
1-
2-
Legend:
1- Remove the cover of the fuse
holder using the screwdriver
2- Remove the fuse holder and
the fuses