Backplane - Aastra OpenCom 510 User Manual

Installation
CAUTIONT!
5. Carefully push the power supply unit into the corresponding slot (see also the
illustration OpenCom 510: 1-12 frame slots on page 26). 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-initia-
lised.
9. Observe the module LEDs during start-up of the OpenCom 510. Information
on indicators can be found in the chapter Modules starting on page 61.
4.5

Backplane

The BPV+1-12 backplane of the OpenCom 510 supplies the modules installed in
the 1-12 frame with the required power and system signals. The backplane is also
used to provide access to the PCM highway (for transmitting utility data), the LAN
(for exchanging signalling data) and to the system clock circuits.
The backplane has vertically arranged sockets for the backplane plugs of the
modules:
34
Static charge can damage electronic devices. Observe the re-
gulations regarding electrostatically sensitive components.
Backplane