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Configuration • QAM RF Redundancy Configuration
APEX1000 All-Purpose Edge QAM Software Version 2.4.x • Installation and Operation Manual
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573408-001-a
Item Definition/Range
APEX RF Port
Mismatch
Indicates whether there is a potential for channels being lost when failing to the backup,
or when switching back to a primary due to a mixture of 2x4 and 2x8 QAM modules.
• A 2x4 QAM Module is capable of supporting a maximum of 4 channels per RF port.
• A 2x8 QAM Module is capable of supporting a maximum of 8 channels per RF port.
Depending on the current status, one of the following values will display:
• N/A (Not Applicable) – QAM RF Redundancy is disabled.
• No Mismatch – Indicates that no channels would be lost, because there is no
mismatch.
• Backup 2x4 – Indicates that a loss of channels could occur on failover to the backup
because the backup RF Port is in a QAM 2x4 Module, and at least one primary RF
Port is in a QAM 2x8 Module.
• Primary 2x4 – Indicates that a loss of channels could occur on switchback from the
backup to the primary because the backup RF Port is in a QAM 2x8 Module, and the
primary RF Port is in a QAM 2x4 Module. (This would occur if the failed 2x8 primary is
replaced with a 2x4.)
QAM Status
Button
Opens the QAM Status window.
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