ASCOM Ascotel 2025 System Manual page 797

ascom Ascotel 2025/2045/2065
Fitting Expansion Cards
A Torx screwdriver, size Torx 10, is needed to secure the screening strip (front
cover) to the metal cage.
1. Switch off the PBX: When using a UPS, first disconnect the battery, then pull
out the mains plug. If using an external 48 VDC power supply, first disconnect
and then pull out the mains plug.
2. Remove the PBX cover.
3. Before handling an expansion card, touch the earthed metal cage of the PBX.
4. Take the expansion card out of the ESD protective sleeve.
5. 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
(front cover) are flush against the edge of the metal cage once the card has
been inserted.
Note:
The maximum torque for the screws using for fitting expansion cards
and dummy covers is 0.9 Nm.
6. Screw the screening strip to the metal cage using the 2 screws supplied.
7. Fit dummy covers to any empty slots remaining.
Note:
The dummy covers must be fitted to ensure EMC.
8. Fit the PBX cover.
9. Connect the PBX to the power supply and UPS.
10. Keep the ESD protective sleeve in a safe place.
4.26 Equipping the PBX HBT_20321104_04/B0_en