Lenovo ThinkPad T520 User Manual page 78

Table 3. Modem command list (continued)
Description
Command
&F
&F &F Set to Factory Defined
Configuration
&T
&T &T Local Analog Loopback
Test
I I I Request Identification
Information
+GMI +GMI +GMI Request Manufacturer
Information
+GMM +GMM +GMM Request Model
Information
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User Guide
Syntax
&F &F &F
&T[<value>]
&T &T
I I I [<value>]
+GMI +GMI +GMI
+GMM
+GMM +GMM
Values
to the speed buffered normal
mode.
4: Select LAPM error-correction
mode and forces &Q5 (the
modem will try to negotiate an
error corrected link). Failure to
make an LAPM error-correction
connection result in the modem
hanging up.
5: Selects MNP error-correction
mode and forces &Q5 (the
modem will try to negotiate an
error corrected link). Failure to
make an MNP error-correction
connection results in the modem
hanging up.
<value>
0: Terminates test in progress.
1: Initiates local analog
loopback, V54 Loop 3. If a
connection exists when this
command is issued, the modem
hangs up. The CONNECT XXXX
message is displayed up the
start of the test.
<value>
0: Reports product code.
1: Reports the latest significant
byte of the stored checksum in
decimal.
2: Reports OK.
3: Reports identification codes.
4: Reports product description
from the .INF file.
5: Reports Country Code
parameter.
6: Reports modem data pump
model and internal code revision.
7: Reports modem data pump
model and internal code revision.
8: Reports the date and the time
of the modem driver build.
9: Reports Country.