User's Manual

Appendix A Hayes AT Commands

Man_455U-D Rev 3.01 Page 71

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#N Enter Module Serial Number (11 characters Max) (Requires Radio Access AT#R

to change).

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#P Set the Remote Access Password. This password must be entered by a remote

user before accessing the module over the radio (Also #A1 must be set).

AT#R Enter Radio Access Password – Enables radio commands until next reset.

AT#S Enter AES Security key.

AT#V Enter Hardware Revision (7 characters Max) (Requires Radio Access AT#R to

change).

AT&Axx RS-485 Serial port Character Type (Data bits, Stop bits, Parity)

0•

8 data, No parity, 1 Stop Bit

1 8 data, No parity, 2 Stop Bits

2 7 Data Bits, Even Parity, 1 Stop bit

3 7 Data Bits, Odd Parity, 1 Stop bit

4 8 Data Bits, Even Parity, 1 Stop bit

5 8 Data Bits, Odd Parity, 1 Stop bit

AT&Bxx RS-232 Serial port Character Type

0•