Appendix
27
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.
Relay outputs are not
working
Check the unit settings to confirm that the relay output is
enabled. Refer to the
HTML Edition Units User’s Guide
for details.
Check that a proper rule for activating a relay output has been
defined in the unit or activate it manually. Refer to the
HTML
Edition Units User’s Guide
for details.
Check the relay output wires are connected securely.
Check that the relay output wires are paired in the terminal block
according to requirements and that one wire is connected to the
common.
