410 Series IPPhone
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Escene Communication
Figure 2.2 Footstand of 410 SERIES
5)
If you want to connect an ESM (Expansion Module), you could connect it (any interface) to the
EXT interface on the phone with a RJ-45 cable (a straight-through cable), and the second ESM
can be connected to the first one too. It supports 6 ESMs.