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disconnect mode (DM)

Disconnect Mode (DM) is a response behavior in High Level Data Link Control (HDLC).

The DM mode is a response to the set frame and indicates that the partner is in the waiting state, Asynchronous Disconnect Mode (ADM), and remains in this state. In this state, the data station is logically disconnected from the data link. The DM message is used to respond to a connection request (link setup) from the corresponding system if the command to transition to the ABM state should not or cannot be executed.

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Englisch: disconnect mode - DM
Updated at: 17.11.2012
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