AASTRA 7434ip User Guide EN - Manual (Page 29)

IP P HONE FOR MX-ONE™
29 6/1553-DBC 434 01 Uen D 2012-02-22
4. Connect the cables to the option unit and attach the rubber piece
as showed in the figure below.
Apart from the PC and LAN cables, you need connect the auxiliary
cable for an extra bell or busy lamp.
Note: Unless the LAN cable is connected to the port marked Net on the
option unit, the phone will not work.
5. Attach the ESD covers on the back of the phone to protect the
connectors from ESD. For this you need a screwdriver.
2.12.2 Removing an Option Unit
To remove the option unit, do the following:
1. Disconnect all cables attached to the option unit.
2. Press the unit in the opposite direction to when you installed it.