APPENDIX B:
Remote ToolBox Modem Setup
B-13Command 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.)
F1 Online local echo OFF
M1 Speaker ON until CONNECT
Q0 Display result codes
V1 Verbal codes
X4 Report all messages
Y0 Default is profile 0 setting in NVRAM
* &A1 ARQ result codes enabled
&B1 Fixed serial port rate
&C1 Normal CD operations
* &D0 DTR override
(This is necessary for the calling modem so that ESC doesn’t hang up.)
&G0 No guard tone, U.S. and Canada
* &H0 Flow control disabled
&I0 Software flow control disabled
* &K0 Data Compression disabled
&M0 Normal mode, error contron disabled
* &N6 9600 bps
(&N0=Variable rate; &N1=300 bps; &N2=1200 bps; &N3=2400 bps; &N4=4800;
&N5=7200 bps; &N6=9600 bps; &N7=12,000 bps; &N8=14,400 bps;
&N9=16,800 bps; &N10=19,200 bps; &N11=21,600 bps; &N12=24,000;
&N13=26,400; &N14=28,800 bps)
&P0 U.S./Canada ratio, 39%/61%
* &R1 Modem ignores RTS
&S0 DSR override; always ON
&T5 Prohibits Remote Digital Loopback
&Y1 Sets break handling to Nondestructive, expedited