Pub. 42004-500C
Division 2 VoIP Page Phones
—Wired and WiFi
Page 21 of 24
P:\Standard IOMs - Current Release\42004 Instr. Manuals\42004-500C.docx
03/20
Troubleshooting
Table 6. Troubleshooting Chart
Problem
Possible Solution
low volume in handset
or headset
Increase the volume setting using the Volume Adjust button on the front
panel.
high volume in handset
or headset
Decrease the volume setting using the Volume Adjust button on the front
panel.
front panel push buttons
not operational
Verify the push buttons are properly configured.
inputs not operational
•
Check the input connections.
•
Verify the inputs are properly configured.
outputs not operational
•
Check the output connections.
•
Verify the outputs are properly configured.
cannot make or receive
calls
•
Check the connection of the LAN cable.
•
Verify that power is applied to the unit.
•
Verify the LAN parameters have been configured properly.
•
Verify the telephone has been set up on the network.
no power indication
•
Check the power connections.
•
Check fuses. Replace fuses with identical type/ratings.
•
If using POE, check the operation of the POE equipment.
Reference Documentation
VoIP Telephone Basic Configuration Guide ................................................................................. 42004-548
VoIP Telephone Firmware Programming Guide ................................................................ 502-20-0171-001
Specifications
Power
AC Power
Input voltage ................................................................................. 120 V ac or 230 V ac, 50/60 Hz, +/−10%
DC Power
Input voltage ..................................................................................................................... 24 V dc to 48 V dc
Power-over-Ethernet ......................................................................................................................... 12.95 W
802.11af compliant (via RJ45) Power Mode A, Class 0
