Fitting Call Charge Modules - Mitel 470 System Manual

Installation
4. 5. 7

Fitting call charge modules

Call charge modules are fitted to FXO trunk cards. Only 1 call charge module can be
fitted to each FXO card.
Module connector
Trunk card 8FXO
Fig. 28 Call charge module on 8FXO trunk card
To fit a call charge module, proceed as follows:
Warning
Be sure to observe the "Safety regulations", page 94.
1. Shut down the call manager via the control panel (see "On/Off key", page 217).
2. Unscrew the screw on the FXO card and remove the card by pulling the fastening
screw.
3. Remove the fastening screw for the call charge module on the FXO card and in its
place screw the spacer sleeve into position (see Fig. 28).
4. Place the 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.
110
Call charge module
Fastening screw
Spacer sleeve
Mitel 470 as of R4.1
syd-0585/1.2 – R4.1 – 08.2016