Multi-Tech Systems MultiModem USB MT5634ZBA-USB - Manual (Page 39)

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Chapter 4 - Remote Configuration
Changing the Remote Escape Character
To increase security, you can change a remote modem’s remote configuration escape character. The
remote configuration escape character is stored in register S9. The factory default is 37, which is the
ASCII code for the percent character (%). Setting S9 to 0 (zero) disables remote configuration
entirely—but if you do this remotely, you won’t be able to change it back remotely!
1. Establish a remote configuration link with the remote modem as described in “Basic Procedure.”
2. Type ATS9=n, where n is the ASCII code for the new remote configuration escape character,
then press ENTER.
3. Save the new value by typing AT&W and pressing ENTER.
4. Type ATO<CR> to exit remote configuration.