Appendix
25
Problem
Possible Solution
Bad output video
quality
Check the source video signal quality by connecting an
analog monitor to the video source. If video quality is
acceptable, connect the video source to the unit.
Check that the cables are connected securely. This includes
junction boxes and amplifier that may be used.
Check that the camera settings are correct on the camera
and in the unit. Refer to the
HTML Edition Units User’s Guide
for details.
Check that the camera lens is clean and unobstructed.
Check that the analog video signal is not being degraded
due impedance caused by lengthy or worn cable, numerous
connectors, ground loops interference, and so on.
Check that the cable length is within specification.
Streaming video image
is hanging (stopped)
Confirm the unit’s video streaming settings. Refer to the
HTML Edition Units User’s Guide
for details.
Refresh your browser screen (F5).
Check that the bandwidth and bit rate settings of the
network are set properly.
Check that other processes and applications are not causing
undue latency.
Check that the firewall analysis or blocking is not interfering
with the video stream and supports the required ports and
communication protocols.
Alarm inputs are not
working
Check the unit settings to confirm that the alarm input is
enabled. Refer to the
HTML Edition Units User’s Guide
for
details.
Check that a proper rule for an alarm input event has been
defined in the unit. Refer to the
HTML Edition Units User’s
Guide
for details.
Check that the alarm input (dry contact close/open) is being
provided by the connected device.
Check that the unit is communicating through the network.
Check that the alarm input wires are connected securely.
Check that the alarm wires are paired in the terminal block
in the right positions and according to requirements.
