User manual
8AL91434ENABed01
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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.
For examples (depending on the model of your 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):
Number
of add-on
modules
POE Class 1/2
PoE Boost mode
Power adapter
1
ALE-300:
ALE-400/500
2
3