COURIER HIGH SPEED MODEMS
&Gn This setting applies only to overseas calls at 2400 or 1200 bps. British phone switching systems require the modem to send an 1800 Hz guard tone after it sends an answer tone. Some other European phone networks require a 550 Hz guard tone. Guard tones are not used in the United States or Canada.
&G0 | No guard tone. This is used in the U.S. and in Canada |
| (Default). |
&G1 | This sets a 550 Hz guard tone, and is used in some |
| European countries. |
&G2 | This sets an 1800 Hz guard tone, and is used in the U.K. |
| and some Commonwealth countries. &G2 requires the |
| B0 setting. |
&Hn Transmit data flow control is for data transmitted to the modem by its attached computer or terminal. The modem monitors its buffer as data comes from the computer or modem. If the buffer approaches 90% capacity, the modem signals the computer or terminal to stop transmitting. When the modem has sent enough data over the link to half empty the buffer, it signals the computer or terminal to resume transmitting.
&H0 | Transmit Data flow control disabled. |
&H1 | Hardware flow control. Default. Requires that your |
| computer or terminal and software support Clear to Send |
| (CTS) at the |
&H2 | Software flow control. Requires that your software |
| support XON/XOFF signaling. |
&H3 | Use both hardware and software flow control. If you are |
| unsure about what your equipment supports, select this |
| option. |
&In Received data software flow control.
&I0 | Disables XON/XOFF flow control of received data. |
| Default. |
&I1 | The Courier acts on your typed XON/XOFF commands, |
| |
| computer. |
