VTech VT 4121 Telephone User Manual


 
34
The Speakerphone is equipped with an auxiliary data port on the back panel as
shown:
The auxiliary data port can be used to connect any standard single line device to
line 4 for basic line service. This is particularly useful for notebook PC modem con-
nections, as well as fax machines or other single line telephone devices.
AUX DATA PORT
Auxiliary Data Port