Huawei EchoLife HG550 User Manual page 15

For description of external interfaces and buttons on the rear
panel, see Table 1-2.
Port/Button
ADSL It is the RJ-11 port used to connect with the phone
jack on the wall or a splitter.
PSTN It is used to connect with telephone wall outlet.
PHONE 1-2 It is used to connect with telephone set to make phone
call through VoIP.
LAN1-4 It is the RJ-45 port used to connect with the Ethernet
port of a computer or a LAN hub.
RESET It is used to restore the default settings of HG550.
ON/OFF It is used to switch on/off HG550.
POWER It is used to connect with the power adapter.
Table 1-2 Description of external interfaces
Huawei Technologies Proprietary
Description
5