APPEAR AS Confidential 322/352
12.5 MMI REDUNDANCY
MMI Redundancy is designed to protect the system from MMI card hardware failures. In case of an MMI card
failure the system shall switch to the backup MMI card in slot 17.
MMI Redundancy will also automatically synchronise the configuration database between the two MMI
modules.
The following cards support MMI Redundancy:
• Seamless IP Input
• IP output
• Dual IP Cloned output
• Dual IP Input
• Dual IP T2 Gateway
• Encoder (SD/HD)
• Transcoder (SD/HD)
• ADM
• ASI Output (Bamboo)
• ASI Input (Bamboo)
• Universal Multiscreen Transcoder
• Universal Broadcast Transcoder
• Universal HVQ Transcoder
• Universal Broadcast Encoder
• Universal HVQ Encoder
• Universal Multiscreen Encoder
• DVB-S2X output
• DIP Monitor-In-Out
• DVB-S2X input
• 8VSB input
• EPG (Bamboo)
• Enhanced DVB-S2 input
• ISDB-T input module
• DVB-T2 input module
• SIM bulk Descrambler
• Bulk Descrambler
• Scrambler
• Audio Processor
• QAM Annex B Input module
• DVB-C Input module
• DVB-T2 GW output module
• IP input module
• SRT IP input/output module
The two MMI cards must be able to communicate in order to synchronize the database. Currently this is
performed via the external management port on the two MMI cards.
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