ADTRAN Express XRT Network Card User Manual


 
Appendix A. AT Commands and S-Registers
61202.153L3-1 Express XRT User Guide 65
S31 DTE RTS Controls operation of the RTS line.
0=1 ms delay
17=18 ms delay
S32 DTE DSR Controls the operation of the Data Set Ready
signal on the DTE connectors.
0=Force DSR on always
1=DSR off OOS + Test
2=DSR off Link Down
S33 DTE CD Controls the operation of the Carrier Detect
line on the DTE connectors.
0=Force CD on always
1=CD is active during a call (Normal Opera-
tion)
2=Off with LOCD
3=Off link down
S34 DTE DTR Determines how the Express XRT responds
to changes in DTR. This is a bit-mapped reg-
ister.
0=Ignore DTR
1=Force AT command mode when DTR is
off
2=Dump incoming call when DTR is off
4=Hang up incoming call when DTR is off
8=Hang up outgoing call when DTR is off
16=Answer incoming call when DTR is on
28=Idle when off
32=Dial SN0 when DTR is on
64=Dial SN0 when DTR transitions from off
to on
S36 Inactivity Timer 0=Off
1-255=Number of idle minutes before dis-
connect
S37 Conference/Call
Waiting
Flash hook button defaults to:
0=Call waiting
1=Call conferencing
S40 BOND TXINIT Specifies the number of seconds the origi-
nating endpoint attempts to detect the
Async BONDING negotiation pattern from
the answering endpoint before deciding the
Async BONDING call has failed.
0 to 255, 10 sec is default.