Appendix E: Ascii Code Table - eLine ELC-576ET Manual

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On-Hook - The condition when the modem has not picked up the telephone line; the telephone is hung

up.

On-Line - A carrier signal link with a remote modem has been established; communication is in

progress.

On-Line State - A modem state in which the modem is connected with a remote modem. Data can

be sent or received from the remote modem in this state. No commands will be accepted from the

modem except the escape command which will bring the modem into the on-line command state.

On-Line Command State - A modem state in which the modem can accept or execute commands

from an asynchronous computer or terminal while remaining connected with the remote modem. The

user can return the modem to the on-line state by issuing the AT0n command or put it into the off-line

command state by issuing command such as ATZ or ATH.

Parity - An error-checking method by which the modem verifies that the data just sent is correct.

pps - Pulse per second.

Profile - A list of default settings.

Protocol - A technical specification for serial communications; the protocols supported by the

modem are listed in Appendix B.

PSK - Phase Shift Keying.

Pulse Dialing - A dialing form in which each digit is represented by a series of pulses. Rotary

telephones all use pulse dialing.

QAM - Quadrature Amplitude Modulation.

Result Codes - The response the modem returns to the screen upon executing a command.

RAM - Random Access Memory.

ROM - Read-Only Memory. A chip inside the modem which stores the factory default settings. This

memory cannot be changed.

RTS - Request To Send.

RX - Reception.

S Register - RAM locations in the modem which store the active configuration.

Serial Port - See COMx.

TCM - Trellis-Coded Modulation.

Touchtone Dialing - A dialing format in which each digit is represented by a musical frequency.

TX - Transmission.