Pelco IV IP manual Revision History

Table B. Troubleshooting the Spectra IV IP Dome System (2 of 2)

MPEG4 not	Web browser	Not available with Web browser. Only supported by
available		the Endura system or Pelco’s API Interface solution.
Camera not	Network conflict	Verify the camera is physically connected to the
discovered		same network as the PC running the Device Utility.
		Verify the IP address, subnet mask, and gateway
		are correct.
Network not	Faulty cable connection	Verify all cable connections and ensure all plugs
working		are properly plugged in.
	Incorrect serial device	A hub will not work with the available network
	configuration	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	You are not using the	Be sure you are using a 600-ohm impedance
signal is weak.	correct type of transformer.	matching transformer
	The wiring distance	Test the equipment using a shorter wiring distance.
	connecting the audio
	equipment may be too long.
	The gain is not properly	If you are using an external amplifier and it has an
	adjusted.	adjustable gain, increase the gain until the signal is
		acceptable.
There is an	The speaker volume is too	Lower the speaker volume.
echo when	high.
audio is
	The microphone and the	If your call station does not have built-in echo
received.
	speaker are too close	cancellation, move the microphone and speaker
	together.	farther apart.
	Your call station does not	Use a call station with built-in echo cancellation.
	have built-in echo
	cancellation.

REVISION HISTORY

Manual #	Date	Comments
C3444M	5/08	Original version.
C3444M-A	7/09	Added bidirectional full-duplex audio information.

26 C3444M-A (7/09)