multi-drop

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multi-drop

Connecting several devices to a single communications channel. It typically refers to devices that are polled in a master-slave configuration rather than in a peer-to-peer fashion. See master-slave communications.
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All three devices -- the SP3495E/96E/97E are suitable for high speed bidirectional communication on multipoint and multidrop bus transmission lines.
Model MES1B connects to devices with RS-422 four-wire, point-to-point interfaces or RS-485 four or two-wire, multidrop bus connections.
The polling controller or master device on a multidrop bus will request status from each of the slave devices on the bus (twisted-wire pair calbe for an SAbus).

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