Replacing The Call Charge Module - Mitel 470 System Manual

Warning
Be sure to observe the "Safety regulations", page 94.
1. Carry out preparations (see "Preparations", page 202).
2. Unscrew the screw on the Call Manager card and remove the card by pulling the
fastening screw.
3. Remove the defective module by loosening the 2 fastening screws and carefully
pulling the module out vertically of the module slot.
4. Place the new module in the slot and press it down evenly into the slot as far as the
stop.
5. Fit the module on to the call manager card from below using the 2 fastening screws.
6. Carefully push back the call manager card into the shaft and gently press the card
as far as it goes into the connection on the backplane.
7. Secure the Call Manager card back into its slot with the screw.
8. Restart the call manager by pressing the On/Off button on the call manager card.
Proceed accordingly to replace one defective IP media module to a PRI trunk card.
6. 3. 4. 3

Replacing the call charge module

Call charge modules are fitted to FXO trunk cards.
To replace a defective call charge module on an FXO trunk card, proceed as follows:
Warning
Be sure to observe the "Safety regulations", page 94.
1. Carry out preparations (see "Preparations", page 202).
2. Unscrew the screw on the FXO card and remove the card by pulling the fastening
screw.
3. Remove the defective module by loosening the fastening screw and carefully pulling
the module out vertically of the module slot.
4. Place the new module in the slot and press it down evenly into the slot as far as the
stop.
5. Secure the module with the fastening screw on the spacer sleeve.
6. Carefully slide the FXO card into the slot shaft and gently press the card as far as it
goes into the connection on the backplane.
7. Use the screw to secure the FXO card back into its slot.
8. Restart the call manager by pressing the On/Off button on the call manager card.
Mitel 470 as of R4.1
syd-0585/1.2 – R4.1 – 08.2016
Operation and Maintenance
207