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CHAPTER 3: Software Configuration
This string selects the factory default parameters, then turns auto-
answer off and stores that setting, along with all other current para-
meters, in nonvolatile memory. The &F9 command causes the modem
to load the values from nonvolatile memory the next time it receives
the &F command. You will use the same initialization string as before:
AT &F X4 ^M
But now the Modem will load the values stored in nonvolatile memory
when you turn on the modem and when you issue the ATZ or AT&F
reset commands.
Note: Because it clears the command buffer, you should not use ATZ
in an initialization string.
3.4.2 Other Parameters
The default values for the other parameters in modem configuration
menus rarely need changing. They typically include the dialing prefix
(ATDT for touch-tone service and ATDP for rotary service), the dialing
suffix (^M), the hang-up string (+++ATH0^M), and response messages
(RING, NO CARRIER, BUSY, etc.). Communications software with a host
mode might also include an auto-answer string (ATS0=1^M).
3.5 Macintosh Initialization
Macintosh computers cannot use RTS/CTS hardware flow control
without a serial cable wired for hardware control. The Macintosh 128
and 512 models cannot use RTS/CTS flow control at all. For those
Macintoshes turn off the default RTS/CTS hardware flow control, turn
on XON/XOFF flow control and pacing, and ignore DTR:
AT &F X4 &E5 &E13 &D0 ^M
For hardware flow control, use the following initialization string:
AT &F X4 &E13 &D0 ^M
Add S0=0 to both strings to disable auto-answer if the Series II Modem
is on a voice line.