Accessories
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5.6.4.2 Install more than one add-on module
It is possible to connect up to 3 similar add-on modules to a desk phone.
Depending on the phone model, the number of add-on modules and the power supply, it may be
necessary to connect an additional power supply. Contact your administrator for more information.
• The first add-on is connected to the desk phone.
• Fix the add-on to the other add-on by using the provided foot clip.
o Remove the cover on the foot of the desk phone or the installed add-on module, on the
side where you want to attach the new add-on module.
o First place the provided foot clip on the add-on module and clip the second side to the
desk phone foot or installed add-on module.
o To secure in place, insert the lock clip into the installed foot clip.
o Place the cover previously removed on the outside of the add-on module.
• Plug the provided cord of the new add-on into the dedicated socket behind the connected add-
on ( )
• Plug the other end of the cord into the dedicated socket behind the new add-on ( ).
• Restart the desk phone (unplug and plug in the power jack if you are using an external power
adapter or the Ethernet connector – LAN).
When uninstalling the add-on module, first remove the lock clip. Otherwise there is a risk of
damaging the foot clip.
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