EXM-31 Hardware ReferencePage 184 4Result Codes:OK n=0, 1, 2, 3.Error Otherwise.Mn Speaker ControlThis command determines whether the speaker function of the modem is on or off.M0 Speaker always off.M1 Speaker on until carrier present.M2 Speaker always on.M3 Speaker off during dialing and on until carrier.Result Codes:OK n=0, 1, 2, 3.Error Otherwise.Nn Select Negotiate HandshakeThis command controls automode enable/disable.N0 When originating or answering, handshake only at thecommunication standard specified by S register 37 and Bn.N1 When originating or answering, start handshake only at thecommunication standard specified by S register 37 and Bn.During handshake, fallback to a lower speed may occur.Result Codes:OK n=0,1.Error Otherwise.On Go On-LineThis command returns the modem to on-line mode or data mode.O0 Returns modem to on-line mode or data mode.O1 Begins an equalizer retrain sequence, then returns to on-line state.O3 Issues rate renegotiation sequence, then returns to on-line state forV32bis only.
