Appendix A
Response Codes
Man_455U-D Rev 3.05
Page
73
C16
Set 187,500 baud (For Profibus)
ATD
Connection/Dialing Control. Dial a specific remote or a stored number. This
command has a different effect depending on whether it is issued from the RS-
232 main serial port (connects to the remote modem’s serial ports) or from the
Diagnostic serial port (Connects to the remote modems diagnostic functions).
ATE
Local Echo Control. Enable/Disable Command Echo. (Only applies to DB9 port
RJ-45 port always has Echo enabled)
E0
Disable Local Echo on DB9 serial port
E1
Enable Local Echo on DB9 serial port
ATF
Set Radio Frequency
FT xxx.xxxx
Set Transmit Frequency xxx.xxxx MHz – Returns ERROR if
outside radio range.
FR xxx.xxxx
Set Receive Frequency xxx.xxxx MHz – Returns ERROR if
outside radio range.
ATH
Hang up/Hook control. End a call, or disable incoming calls.
ATI
Modem Identity / Firmware version
I0
Return Modem Firmware Version - EG “ELPRO E455U V2.3”
I5
Return Full Information on modem, including serial numbers and hardware
version
ATO
Go to on-line (When connection established)
ATQ
Quiet mode (Suppress/enable response codes) RJ-45 port always has quiet mode
disabled
Q0
Enable response codes on DB9 serial port
Q1
Disable response codes on DB9 serial port
ATR
RS-485 Serial Baud Rate selection.
R1
Set 600 baud
R2
Set 1200 baud
R3
Set 2400 baud
R4
Set 4800 baud
R5
Set 9600 baud
R6
Set 14,400 baud
R7
Set 19,200 baud
R8
Set 28,800 baud
R9
Set 31,250 baud
R10
Set 38,400 baud