Ampersand (&) Command Set B-5Ampersand (&)Command SetThe serial port rate MUST be equal to or higher than the &Nn rate..X3 Ignore Dial ToneX4 Microsoft defaultX7 Business Modem defaultZ Software reset. Pressing the RESET button on the rear panel ofthe modem resets the modem to the &F0 configurationtemplate (no flow control).Command FunctionCommand Function&$ Display help for the ampersand (&) command set.&An Enable or disable the display of additional result code subsets.(Also, see the Xn command.)&A0 Do not display ARQ result codes.&A1 Display ARQ result codes.&A2 In addition to ARQ result codes, display HST, V.32,V.FC, or V.34 modulation indicator.&A3 In addition to ARQ and modulation indicators,display an error control indicator (LAPM, HST, MNP,or NONE) and a data compression type (V42bis orMNP5).&Bn Set the serial port rate to variable or fixed.&B0 Variable: The serial port rate adapts to match thespeed of the connection.&B1 Fixed: The modem always communicates with yourcomputer at the rate at which you have set,regardless of the connection rate.&B2 When answering calls, use the fixed rate for ARQcalls and variable rates for non-ARQ calls.Command Function&Cn Controls how the modem sends a Carrier Detect (CD) signal toyour computer.&C0 CD always ON, even if the modem is not on line.
