3 Get Familiar with IP542N
Part Name Description of function
For the placement of handset
For hang-up and hang-off of
To prevent the handset from
For the placement of handset
RJ-11 jack on the left side of
RJ-11 jack on the bottom of the
earpiece on the single handle.
displaying your settings, such
Internet port, phone number,
and line status and so on.
These keys are used as line
keys; you can press the line
corresponding line, and then
user can make call or do other
The LEDs under the keys used
to display the status of each
extension, please refer to 3.4