6/1553-DBC 444 01 Uen B4 2014-03-26 28
I
NSTALLATION
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.
4.4.2 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.
3. Disconnect the ribbon cable.
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