SW Version 2.04 30-January-2009 Page 108 of 128
7 Troubleshooting
The following chapter provides hints and advice to the most commonly know issues
an operator may experience when operating the unit.
7.1 Unable to Connect to Device
Check the LED on the Ethernet port of the input module. If there is activity it will be
blinking. If there is no activity on the LED it means the input module has no
connection to the network. Try to connect to the unit from a PC as explained in
section 4.1.1 (use the IP address that was set during the initial configuration). If the
unit responds, it indicates the problem is a network problem. Try a new Ethernet
cable and troubleshoot the network.
If the unit is unresponsive but there is LED activity, check IP settings by restoring
default IP settings as described in 6.7.
7.2 Missing Video/Audio Output From a Decoder
Module
The status LED on the DDM front panel provides information about whether the
module has active alarms. If the LED is red, consult the web interface for detailed
error messages. The error messages will provide more information about why the
DDM card is not operating properly.
If the status LED is green, there might be issues with the configuration of the
module. Verify that the input stream is set up correctly. Access the inputs list as
described in section 4.2. Ensure there is incoming data on the input stream which is
serving the decoder module in question. If the bit-rate entry in the list reports 0
Mbps there is no data in the input stream and it is necessary to examine the stream
source.
Verify that correct service has been configured for the decoder.
Check all cabling. Make sure it is not damaged.
7.3 Missing Video/Audio Outputs From All Output
Modules
Verify that the device is connected to the network as described in section 7.1. If the
unit is connected to the network, check whether the status LEDs on the modules are
all blue. If they are all blue, it may be that the switch module is experiencing
difficulties. Try rebooting the unit. If all the status LEDs remains blue after the
reboot, the switch module needs to be replaced.
If the status LEDs are all green, use the web interface to check that input and
outputs are configured properly.
Check all cabling. Make sure it is not damaged.
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