RC224ATL/224ATLV
4.0 AT Commands
EmbeddedModem Family
Table 4-2. AT Command Set Summary (4 of 5)
Command
Function
Default
Parameters/Description
n = 0 Terminates test in progress.
&Tn
Test and diagnostic
n = 4
n = 1 Initiates local analog loopback.
n = 2 Returns ERROR.
n = 3 Initiates local digital loopback.
n = 4 Enables digital loopback acknowledgment from remote
modem for RDL.
n = 5 Disables digital loopback acknowledgment from remote
modem for RDL.
n = 6 Initiates remote digital loopback.(1)
n = 7 Initiates remote digital loopback with self test.(1)
n = 8 Initiates local analog loopback with self test.(1)
&V
Display current configurations
—
Example:
AT&V
ACTIVE PROFILE:
B0 E1 L1 M1 QO T V1 Y0 &C0 &D0 &G2 &J0 &L0 &P0 &Q0 &R0
&S0 &X0 &Y0
S00:000 S01:000 S02:043 S03:013 S04:010 S05:008 S06:002
S07:030 S08:002 S09:006
S10:014 S12:050 S14:AAH S16:00H S18:000 S21:00H S22:76H
S23:17H S25:005 S26:001 S27:40H
STORED PROFILE 0:
B1 E1 L2 QO V1 X4 Y0 &C0 &D0 &G0 &J0 &L0 &P0 &Q0 &R0
&S0 &X0
S00:000 S14:AAH S18:000 S21:00H S22:76H S23:17H S25:005
S26:001 S27:40H
STORED PROFILE 1:
B1 E1 L2 QO V1 X4 Y0 &C0 &D0 &G0 &J0 &L0 &P0 &Q0 &R0
&S0 &X0
S00:000 S14:AAH S18:000 S21:00H S22:76H S23:17H S25:005
S26:001 S27:40H
TELEPHONE NUMBERS:
&Z0= 5551212
&Z1=
&Z2=
&Z3=
&Wn
Store current configuration
n = 0
Commands: Bn, En, Ln, Mn, P or T, Qn, Vn, Yn, &Cn &Dn, &Gn,
&Jn, &Ln, &Pn, &Qn, &Rn, &Sn &Xn &Yn
Registers: S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S12,
S14, S16, S18, S21, S22, S23, S25, S26, S27
n = 0 Stores active profile in location 0.
n = 1 Stores active profile in location 1.
&X0
Asynchronous data
transmission
n = 0
n = 0 Reserved
n = 1 Reserved
n = 2 Reserved
&Yn
Select default profile
—
—
n = 0 The modem will use profile 0 on powerup.
n = 1 The modem will use profile 1 on powerup.
&Zn = x
Store dial string to location n
&Zn = x n = 0 to 3 and x = dial string. (up to 36 characters)
D224ATLVDSC
Conexant
4-5