Technical data

Preparation
10
8. Insert the wider RJ-11 connector end of the module connection cable in-
cluded in the package in the jack labelled on the bottom of the next key
extension module.
9. Insert the round DC connector on the power plug (type no. HW 824 or
FW7577/EU/40) in the jack labelled with on the underside of the tele-
phone.
Wait to connect the 230 V power source – in as much as it is necessary –
and to connect to the network until final commissioning.
Note: Using the power plug is only necessary if your router does not sup-
port Power over Ethernet (PoE).
Warning: Using the wrong power plug
can result in a life-threatening elec-
tric shock or can damage or destroy or the device :
Fig. 1: Connecting and assembling the COMfortel Xtension30
key extension