Installation
107
Aastra 470 ab R3.0
syd-0337/1.5 – R3.0 – 05.2013
4. 5 Equipping the Basic System
For individual expansion the Aastra 470 basic system can be fitted with interface 
cards, system modules and an application card. An overview can be found in the 
Chapter "Expansion Stages and System Capacity", page 39.
4. 5. 1 Fitting interface cards
Interface cards are fitted to slots 2 to 8. Slot 1 is reserved for the Call Manager card. 
If an application card is fitted, slot 2 for interface cards is no longer available either.
Fig. 25 Number of the Aastra 470 slots
To fit an interface card, proceed as follows:
Warning
Be sure to observe the "Safety regulations", page 95.
1. Shut down the call manager via the control panel (see "On/Off key", page 240).
2. Unscrew the screw on the dummy cover and remove the cover by pulling the 
screw.
Note: The narrow dummy cover in slot 2 is only removed when an application 
card is fitted.
3. Carefully slide the interface card into the slot shaft and gently press the card as 
far as it goes into the connection on the backplane.
4. Use the screw to secure the card in its slot.
5. Restart the call manager by pressing the On/Off button on the call manager 
card.
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