APPEAR AS Confidential 315/352
12.3.6 MUTE ON ERROR
Mute on Error is a form of output redundancy, apart from OSPF, where the output is disabled if there is an error
with the input stream. This feature can be used in situations where the equipment receiving the signals require an
incoming bitrate of zero (no bitrate), so that a switch to a backup service or input can take place.
To enable or disable Mute on Error, use the check box in the Edit Redundancy Options dialog .This feature must
also be enabled or disabled for each port on the IP output settings.
The Mute on Error functionality does not require the ‘Output Redundancy’ license.
Enabling Output Redundancy on ASI-Cloned output module and ASI output modules
enables Mute on Error by default.
12.4 N+M MODULE REDUNDANCY
The N+m Module Redundancy protects the system against possible hardware failure for selected card types.
Module redundancy is currently supported by the following modules:
• encoder-sd
• encoder-hd
• transcoder-sd
• transcoder-hd
• encoder-cvbs (analog)
• encoder-rf (analog)
• Universal Broadcast Transcoder
• Universal HVQ Transcoder
• Universal Broadcast Encoder
• Universal HVQ Encoder
• Universal Multiscreen Encoder
Before the redundancy will take effect the user must specify which cards should be part of a redundancy group
and which of them shall be active/main devices and which should be spare devices.
For the encoder switching an external SDI switch is required. This switch will be configured and managed by the
unit hence no external management system is required. For details on supported SDI Switches, please contact
the Appear Support department.
All redundancy configurations are performed from the Redundancy->Card navigation pane. The Groups page
configures the general group settings while the switch page defines external switches.
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