User's Manual

Appendix A Hayes Commands
Man_455U Rev 1.0 Page 51
connection speed.
X0•
Basic response codes only
X1 X0 + Connection Baud rate codes (CONNECT 19200, CONNECT 57600)
X2 X1 + BUSY Message
X3 X2 + RINGING Message
ATZ Reset the modem, and re-load the configuration stored in non-volatile memory.
AT#A Remote Configuration and Diagnostics Access Mode
#A0•
Disallow Remote Access
#A1 Allow Remote Access (Password required if configured in security menu) (Use
security Menu AT#S to change password)
AT#B Perform BER (Bit Error Rate) test to specified address (AT#B1,2,3,4 to do BER
test to site 4 via 1, 2 and 3).
AT#C Radio Calibration Options (Can only be accessed when #R Password entered)
#C0 Calibrate Power level for Power setting 0.
#C1 Calibrate Power level for Power setting 1.
#C2 Calibrate Power level for Power setting 2.
#C3 Calibrate Power level for Power setting 3.
#C4 Calibrate Radio Frequency offset
#C5 Calibrate Radio Deviation
#C6 Calibrate Radio Modulation Balance
#C7 Calibrate Radio RSSI Using Radio TestSet
#C8 Calibrate Radio RSSI (Set default Calibration or enter actual values)
AT#E Encryption Mode (Use security menu AT#S to change encryption key)
#E0•
Disable security encryption
#E1 Enable security encryption on transmitted messages
#E2 Enable security encryption on transmitted messages and enforce encryption on
received msgs.
AT#O Control digital I/O point
#O0 Turn digital I/O point off (And enable as an input)
#O1 Turn digital I/O point on
#O2 Digital I/O point reflects communications link
AT#R Enter Radio Access Password – Enables radio commands until next reset.
(Password is ELPROTech).
AT#S Enter AES Security key.