NFAS Type
For Quad T1 lines, you can set the non-facility associated signaling (NFAS) parameters by clicking Boards==>Lines and double-clicking a device using a quad T1 line. NFAS Details
From the NFAS Type pull-down list, choose one of the following options:
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Disabled |
Choose this option to disable NFAS on the interface. |
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Primary |
Choose this option to set the line as the primary D Channel for the specified group. |
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Secondary |
Choose this option to set the line as the backup D Channel for the specified group. |
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Slave |
Choose this option to set the line as a slave interface. If you choose this option, all channels on the line become B Channels. |