Pub. 42004-545A
telephone VoIP WiFi Telephone Manual
Page 25 of 29
P:\Standard IOMs - Current Release\42004 Instr. Manuals\42004-545A.docx
03/20
RLoad Button
Press and hold the
RL
OAD
button for 10 seconds to reset the WiFi interface module to the factory default
settings. The
RL
OAD
button is located on the WiFi interface module next to the RJ45 jack
J2
Figure 23. VoIP Carrier PCBA Component Locations
Preventive Maintenance for Models 397-81
x
A and 398-81
x
A
Stainless steel does require maintenance to prevent corrosion from occurring. Different installation
locations may require more regular maintenance than others, depending on the environment and exposure
to airborne contaminants. The following maintenance steps should be performed on a regular basis or
when corrosion is first noticed on your Model 397-81
x
A and 398-81
x
A Telephones.