ascom
Ascotel 2025/2045/2065
HBT_20321104_07/B0_en
Hardware Updates and System Expansion
7.33
3.4
Mainboard and Power Supply Modules
This chapter describes when and how mainboards and power supply modules are
replaced.
3.4.1 Replacing the 2025 / 2045 or 2065 Mainboard
If the mainboard or one of the system cards is defective or permanently faulty, the
entire basic system will have to be replaced, complete with system cards and
metal housing.
1. If still possible, save the configuration data using AIMS.
2. Switch off the PBX. If using a UPS, first disconnect the batteries and then pull
out the mains plug.
3. Remove the PBX cover.
4. Touch the earthed housing of the PBX (equipotential bonding).
5. Remove the expansion cards and UPS module. For details of the procedure for
removing expansion cards, see "Replacing a defective Card", Page 7.28.
6. Replace the EIM card of the defective mainboard and the new mainboard. See
"EIM Card", Page 7.22 for the procedure.
7. Dismantle all the connected cables in such a way that the new basic system
can be identically reconnected.
8. The mainboard is not dismantled but replaced complete with metal housing.
Depending on the installation (wall-mounting / cabinet mounting) the hous-
ing with the mainboard may also have to be dismantled and the housing
cover screwed back on.
9. The new basic system can now be reassembled and fitted in the reverse
sequence.
10. If the configuration data was not transferred when changing the Flash card,
initialize the system and reload the configuration data using AIMS.
Содержание Ascotel 2025
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