Cabletron Systems CSMIM-T1 Installation Manual page 180

Chapter 7: AT Commands and Registers
:T11= n Secondary XON Flow Control Character
Where n is a decimal from 0 to 255, representing an 8-bit
character. Default is F9 hexadecimal (or 249 decimal).
Defines the character used for secondary XON flow control on
the modem's serial port. For secondary flow control to take
effect, you must set either -F1\Q1 or -F1\Q4.
:T12= n Secondary XOFF Flow Control Character
Where n is a decimal from 0 to 255, representing an 8-bit
character. Default is FB hexadecimal (or 251 decimal).
Defines the character used for secondary XOFF flow control on
the modem serial port. For secondary flow control to take effect,
you must set either -F1\Q1 or -F1\Q4.
:T14= n Connect Message Delay Timer
Where n is an integer from 0 to 255, in 100 millisecond interval.
Default is 0.
Specifies how long to wait before or after a connect message
before CTS, DSR, DCD go high. Use this command with @Cn
(where n=0 or 1).
:T15= n V.24 Control Register
Where n is an integer from 0 to 255 (see below for the valid
values for n). Default is 149.
This command is bitmapped and used as follows:
7-54 CSMIM-T1 Hardware Installation Guide