ADTRAN ISU 2X64 user manual Isdn U-Interface Operational Mode Options

Appendix A: AT Commands

Command	Function
ISDN Switch Type Options (continued)
_S6	TDX10*
_S7	TDX1B*
_S8	KDD*
_S9	NTT*
*Only available on part numbers 1200051L5 and 1200051L6.
ISDN U-Interface Operational Mode Options
_X0	ISU timing slaves to network (NT mode)
_X1	ISU is U-interface timing master (LT mode)
Data Flow Control Options
\Q0	No flow control
\Q1	Software
\Q2	CTS only
\Q3	Hardware
Dump Status Buffer
!S	Sends complete log of all messages stored in the StatusBuffer.
VT 100 Terminal Menus
!V	Enables VT 100 compatible menuing system via the DTE connector.

61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 93