C o n f i g u r a t i o n V i e w sF d d i M A C D e v i c e C o n f i g u r a t i o n V i e w
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 | Table 21: SMT MAC Configuration States | 
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| Ring State | Description | 
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| Isolated | The port is not inserted into any path. | 
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| Local_A | The A port is inserted into a local path and the B port is not. | 
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| Local_B | The B port is inserted into a local path and the A port is not. | 
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| Local_AB | Both A and B ports are inserted into a local path. | 
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| Local_S | The S port is inserted into a local path. | 
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| Wrap_A | The secondary path is wrapped to the A port. | 
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| Wrap_B | The secondary path is wrapped to the B port. | 
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| Wrap_AB | The primary path is wrapped to the B port and the secondary path is wrapped to the A port. | 
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| Wrap_S | The primary port is wrapped to the S port. | 
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| C_Wrap_A | The primary and secondary paths are joined internally in the station and wrapped to the A port. Regarding | 
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 | token flow, all resources on the secondary path precede those of the primary path. | 
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| C_Wrap_B | The primary and secondary paths are joined internally in the station and wrapped to the B port. Regarding | 
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 | token flow, all resources on the secondary path precede those of the primary path. | 
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| C_Wrap_S | The primary and secondary paths are joined internally in the station and wrapped to the S port. Regarding | 
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 | token flow, all resources on the secondary path precede those of the primary path. | 
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| Thru | The primary path enters the A port and emerges from the B port. The secondary path enters the B port and | 
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 | emerges from the A port. | 
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