Instruction manual

Appendix A. AT Commands and S-Registers
61200239L1-20 Express 3010/3110 User Manual A-11
S25 DTR DETECT
TIME
Determines time, in hundredths of a second,
that must elapse before the Express recognizes
a change in DTR.
Range = 0 to 255 (Default =
5
)
S26 VOICE DEFAULT Determines the speed at which an audio call is
received
0
= 56k speech/audio to DTE port
1 = 64k speech/audio to DTE port
S27 PPP MODE Value determines whether or not PPP will be a
single-link or multilink connection.
0
=Single-link operation (default)
1=Multilink operation
2=Use compression
S30 DTE CTS Controls the operation of the DTE connector
CTS line.
0
=Follows RTS
1=Force CTS
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
Operation)
2=Off with LOCD
3=Off link down