Transmit-Data Flow Control 11-5Transmit-Data FlowControlThis type of flow control is for data transmitted to the Business Modemby its attached computer.For your modem to CommandDisable transmit data flow control AT&H0Enable Hardware flow control.Requires that your computer and software supportClear to Send (CTS) at the EIA-232 interface.AT&H1Enable Software flow control.Requires that your software support XON/XOFFsignaling.AT&H2Use both hardware and software flow control.If you are unsure about what your equipment supports,select this option.AT&H3