
Configuring MCE1 and MCT1 Interfaces
114078 Rev. A 6-13
Setting the Primary Clock Source (QMCT1)
You can specify the primary source for timing signals:
• Select Internal to use the clock chip on the MCT1 module.
• Select Port 1 Ext Loop to use the signal coming in from Port 1.
• Select Port 2 Ext Loop to use the signal coming in from Port 2.
• Select Port 3 Ext Loop to use the signal coming in from Port 3.
• Select Port 4 Ext Loop to use the signal coming in from Port 4.
• Select Auxiliary Ext to use an external source via BNC connectors.
Setting the Secondary Clock Source (QMCT1)
You can specify a backup source for timing signals:
• Select Internal to use the clock chip on the link or net module.
• Select Port 1 Ext Loop to use the signal coming in from Port 1.
• Select Port 2 Ext Loop to use the signal coming in from Port 2.
• Select Port 3 Ext Loop to use the signal coming in from Port 3.
• Select Port 4 Ext Loop to use the signal coming in from Port 4.
• Select Auxiliary Ext to use an external source via BNC connectors.
Site Manager: Primary Clock parameter: page A-54
Site Manager: Secondary Clock parameter: page A-54
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