DVTEL TRK-101-P, Руководство по установке

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Appendix
21
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.