User manual

ES620 IPPhone
www.escene.hk
Escene Communication
Figure 2.2 Footstand of ES410
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.