Aastra OpenCom 510 User Manual page 36

Installation
DANGER!
3. Unplug all of the mains cables of the OpenCom 510 to disconnect the system
from the mains supply.
Power supply units must not be installed if the OpenCom 510 is switched on!
Refer to Notes on Disconnecting the Mains Supply starting on page 28.
4. Unpack the power supply unit.
CAUTION!
5. Carefully push the power supply unit into the corresponding slot (see also the
illustration OpenCom 510: 1-12 frame slots on page 27). Seen from the front, the
mains inlet socket should be on the bottom right.
Ensure that the backplane plug of the power supply unit is securely plugged
into the socket on the backplane.
6. Refit the screws to secure the power supply in the 1-12 frame.
7. Install further interface cards if required (see also Installing Interface Cards
starting on page 31).
8. Switch the OpenCom 510 on. To do so, reconnect the power supply unit with
the mains supply (if you are powering the OpenCom 510 with two power
supply units, connect the second unit as well).
The system will now start up and all modules (interface cards) will be re-ini-
tialised.
34
Hazardous voltages inside the device!
Static charge can damage electronic devices. Observe the
regulations regarding electrostatically sensitive components.
Installing Modules