Mitel 3300 ICP Hardware User's Manual page 222

3300 ICP Hardware User Guide
Install a Circuit Card
To install a DSU or Peripheral Unit circuit card:
CAUTION: Wear an anti-static wrist strap whenever you handle circuit cards.
1. For cards that have switches, refer to the card's hardware description for information about
switch settings.
2. Check the connector pins to be certain that they are straight.
3. Slide the card into the slot.
4. Push the upper and lower latches away from you until they are vertical and the card is
locked in place.
5. To return the circuits to service, enter RTS <PLID>.
Install a Power Converter
To replace an AC Power Converter in a Peripheral Unit:
1. Remove the front panels.
2. Power down the node.
3. Disconnect the internal AC power cord.
- Unscrew and remove the cover plate over the internal AC power cord access on the
rear of the node (see the figure below).
- Unplug the internal AC power cord from the rear of the AC power converter (accessed
through cutout in the backplane).
4. Remove the converter.
- Move the card latches on the converter to the horizontal position.
- Carefully withdraw the converter unit from the shelf.
5. Unpack and inspect the converter.
- Unpack the converter and remove all packing materials.
- Inspect the converter to ensure that the unit is not dented or scratched and that all
fittings are secure.
6. Install a new converter.
- Slide the replacement converter into position (slots 13 - 15).
- Move the card latches to the vertical position to secure the converter.
- Plug the internal ac power cord from the PDU into the ac power converter, through the
cutout in the backplane.
- Replace the cover plate over the access cutout in the backplane, and fasten in place
with the screws removed in step 3.
7. Power up the node.
8. Replace the front panels.
214 Release 3.3