APPENDIX B:
Remote ToolBox Modem Setup
B-20
Command Summary
(* indicates a change from the default)
* B0 ITU-T answer sequence
* E1 Enable local echo
(Must be set to E0 when modem is connected directly to the RTU as
opposed to the PC.)
L1 Low volume
M1 Speaker ON until CONNECT
* N0 Automode is disabled. The handshake will occur based on the value of
S37.
Q0 Display result codes
T Use tone dialing
V1 Verbal codes
W0 Report DTE speed
X4 Repor t all messages
Y0 Turns off long space disconnect
&C1 Normal CD operations (RLSD follows whatever the carrier is set to.)
* &D0 DTR override
(This is necessary for the calling modem so that ESC doesn’t hang up.)
&G0 Disable guard tone
&J0 telephone jack, sets value for S21
* &K0 Disables flow control
&Q# not listed in help, don’t change
&R1 Ignore RTS
&S0 DSR override; always ON
&T5 Prohibits Remote Digital Loopback
&X0 Internal timing
&Y0 Resets with profile 0