ocr: Data Data- Link link- Layer entity B A Physical Physical-connection- Layer endpoints Physical-connection CCITT-85010 Example of a two endpoint physical-connection (connection exists between A and B) Data Data- Link link- Layer entity A B Physical Physical-connection- Layer endpoints Physical-connection CCITT-85020 Example of a multi-endpoint physical-connection (connection exists between A, B and C) FIGURE 22/X.200 Examples of physical connections
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