DSR

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Related to Debt-service coverage ratio: Fixed Charge Coverage Ratio

DSR

Dynamic Service Register

DSR

(1) (Data Set Ready) An RS-232 signal sent from the modem to the computer or terminal indicating that it is able to accept data. Contrast with DTR.

(2) (Dynamic Source Routing) An on-demand routing protocol for wireless networks that uses caches to store routing information. DSR's source routing requires that the sender's packets contain the entire route before they are transmitted to their destination. See mobile ad hoc network and AODV.