> 4.4 | AT&S Set Data Set Ready (DSR) line mode

> AT&S determines how the ME sets the DSR line depending on its communication state.
> Syntax

> Exec Command AT&S[<value>]
> Response(s)
> OK

> Reference(s) |  | PIN |  | ASC0 | ASC1 | USB | MUX1 | MUX2 | MUX3 |  |  | Charge | Q | Last
> V.250 |  | - |  | + | - | + | + | + | + |  |  | - | + | -

> Parameter Description

> <value>(num)(&W)(&V)

> [0](&F)
> DSR line is always ON
> 1
> ME in command mode: DSR is OFF.
> ME in data mode: DSR is ON.