Ascotel IntelliGate 2025/2045/2065
906 Hardware updates and system expansion Part 7
3.2.1.2 Replacing a defective card
Required tools:
• Torx screwdriver, size Torx T 10
Instructions for changing the card:
1. Inform users, prebar the system and disconnect the system from the power
supply (see "Preparations", page 904).
Hazard:
Expansion cards can be damaged by electrical voltage.
Always disconnect the power supply before fitting or removing any
cards!
2. Remove the PBX cover.
Warning:
Expansion cards can be damaged by electrostatic discharge (ESD).
Always touch the earthed metal cage of the PBX before touching a card!
3. Unscrew the screws on the screening strip and pull out the expansion card
complete with screening strip.
4. Wrap the dismantled expansion card in the ESD protective sleeve.
5. Take the new expansion card out of its ESD protective sleeve.
6. Fit the expansion card to the correct slot. Make sure the card is lying in the
lower guide slot of the metal cage and that the ends of the screening strip are
flush against the edge of the metal cage once the card has been inserted.
7. Screw the screening strip to the metal cage using the 2 screws supplied.
8. Fit the PBX cover.
9. Connect the PBX and any ATPS system to the 230 V mains, then connect the
UPS battery where applicable.
Note:
Always fit dummy covers to unused expansion slots to ensure EMC.
See also:
A number of rules have to be observed when fitting the cards (see
"Component mounting rules", page 588).