Toshiba A50 user manual S1 Ring counter, S2 AT escape character user defined

S-registers

S1 Ring counter

This register is read only. The value of S1 is incremented with each ring. If no ring occurs over a six-second interval, this register is cleared.

Range:0-225 Default:0 Units:rings

S2 AT escape character (user defined)

This register determines the ASCII values used for an escape sequence. The default is the + character. The escape sequence allows the modem to exit data mode and enter command mode when on-line. Values greater than 127 disable the escape sequence.

Range:0-255, ASCII decimal Default:43

Units:ASCII

S3 Command line termination character(user defined)

This register determines the ASCII values as the carriage return character. This character is used to end command lines and result codes.

Range:0-127, ASCII decimal Default:13 (carriage return) Units:ASCII

S4 Response formatting character (user defined)

This register determines the ASCII value used as the line feed character. The modem uses a line feed character in command mode when it responds to the computer.

Range:0-127, ASCII decimal Default:10 (line feed) Units:ASCII

D-2 User’s Manual