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26 C3444M-A (7/09)
MPEG4 not
available
Web browser Not available with Web browser. Only supported by
the Endura system or Pelco’s API Interface solution.
Camera not
discovered
Network conflict Verify the camera is physically connected to the
same n
etwork as the PC running the Device Utility.
Verify the IP address, subnet mask, and gateway
are correct.
Network not
working
Faulty cable connection Verify all cable connections and ensure all plugs
are proper
ly plugged in.
Incorrect serial device
configuration
A hub will not work with the available network
bandwidth shared across all
ports. Use a Fast
Ethernet switch, Gigabit Ethernet switch, or a cable
modem router with an n-Port switch.
Network connectivity issues Contact your network administrator.
The audio
signal is weak.
You are not using the
correct t
ype of transformer.
Be sure you are using a 600-ohm impedance
matching transformer
The wiring distance
connecting the audio
equipment
may be too long.
Test the equipment using a shorter wiring distance.
The gain is not properly
adjusted.
If you are using an external amplifier and it has an
adjustable gain, in
crease the gain until the signal is
acceptable.
There is an
echo when
aud
io is
received.
The speaker volume is too
high.
Lower the speaker volume.
The microphone and the
speaker are too close
togeth
er.
If your call station does not have built-in echo
cancellation, move the microphone and speaker
farther apart.
Your call station does not
have built-in echo
cancellation.
Use a call station with built-in echo cancellation.
REVISION HISTORY
Manual # Date Comments
C3444M 5/08 Original version.
C3444M-A 7/09 Added bidirectional full-duplex audio information.
Table B. Troubleshooting the Spectra IV IP Dome System (2 of 2)