ADTRAN Express XRT - Manual (Page 76)

Appendix A. AT Commands and S-Registers
62 Express XRT User Guide 61202.153L3-1
AT Command Response Message Types
V0 Numeric response messages
V1 Verbal response messages
AT Command Connect Message Options
X0 Simple connect message
X1-7 Connect messages with bit rate
Ready-To-Send (RTS) Control Line Options
_D0 1 mS delay
_D1 18 mS delay
ISDN Switch Type Options
_S0 5ESS
_S1 DMS-100
_S2 National ISDN-1
_S3 NEC
_S4 Euro ISDN
Data Flow Control Options
\Q0 No flow control
\Q1 Software flow control (XON/XOFF)
\Q2 CTS only
\Q3 Hardware flow control (RTS/CTS) factory default
\Q4 Software from DCE only
DTE and Modem Interface Selection
_L0 Disable external analog modem connected to the Ex-
press XRT modem port.
_L1 Enable external analog modem connected to the Ex-
press XRT modem port.