User's Manual

Table Of Contents
Nonvolatile Parameter Database
AT+i Programmer‘s Manual Version 8.32 34-11
34.3.4 +iMTYP Set Type of Modem Connected to iChip
Syntax:
AT+iMTYP=n
Sets the modem type.
Parameters:
n=0..9
Command
Options:
n=0
Standard, Hayes compatible, dialup modem
n=1
Silicon Laboratories Si2400 modem. See note below.
n=2
Standard GSM modem
n=3
AMPS CM900 modem
n=4
Falcom GSM modem
n=5
Silicon Laboratories high-speed modems Si2414/33/56
n=6
Standard 2400 baud modem (increased timeout)
n=7
GSM 536 modem (packets limited to 536 bytes)
n=8
CDPD cellular modem
n=9
Wavecom Fastrack cellular modem
n=10
SiLABs World modem
n=11
Telit GE862-PY cellular modem
+100
Add 100 to any modem type to prohibit iChip from
issuing an ATZ to the modem before dialing the ISP
when an Internet session is activated. This is useful if the
modem needs to be initialized manually before an
Internet session. Note that an ATZ will be issued when
the session is terminated.
Default:
n=0 Standard, Hayes compatible, dialup modem
Result Code:
I/OK
If n is within limits
I/ERROR
Otherwise
AT+iMTYP?
Returns current modem type designator followed by
I/OK.
AT+iMTYP=?
Returns the message 0-11‖ followed by I/OK.
Note 1
Configuring the iChip to work with Silicon Laboratories
Si2400:
1.
AT+iMTYP=1