NEC DT900 Series User Manual page 56

1
Figure 3.11 LAN Cable Connection
3-36
If a device that is connected through the PC port on the back of the phone is
Note:
having connection issues, contact your system administrator to verify that the
PC port is enabled on the phone.
Insert the LAN cable into PC connector on the back of the phone, until you hear a click.
DT900/DT900S Series Phone User Guide