Multi-Tech Systems MULTIMODEM MT2834ZDX - Manual (Page 17)

Chapter 3 – AT Commands, S-Registers, and Results Codes
Multi-Tech Systems, Inc. MT2834ZDX User's Guide 17
Command: %%%AT<CR> Remote Configuration Escape Sequence
Values: n/a
Description:
Initiates remote configuration mode while online with remote modem. The remote configuration
escape character (%) is defined in register S13.
Command: +++AT<CR> Escape Code
Values: n/a
Description:
Puts modem in command mode (and optionally issues a command) while remaining on line.
Enter +++AT, up to ten command characters (or as defined by S34), and a RETURN. Used mostly
to issue hang-up command: +++ATH<CR>.
Command: <BREAK>AT<CR> Escape Sequence
Values: n/a
Description:
Alternate escape method. Puts modem in command mode while remaining on line. Send a
<BREAK> signal followed by AT, up to sixty command characters, and a RETURN. You must set
the modem to %E2 or %E3 before you can use this escape method.