Communication solutions for power utilities
UNIVERSAL POWER-LINE CARRIER SYSTEM TYPE OPU-1
WHOLE BAND QAM MODEM MBPU - Rev. 0 (July 2011)
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&Q3
Selects synchronous operating mode.
&Q4
Same as AT&Q1.
&Q5
Asynchronous bufferized operating mode.
&Q6
Same as AT&Q5.
If the autobauding is activated, %D1 (by default), configure the emulator
communication program, such as for example
Hyper Terminal
, with the same
speed as or higher than that of operation, for asynchronous mode.
S
Reading or writing in the S registers
Using this command, the PC can read or write in the S registers. The possible
commands are:
ATSn=v The n register takes the v value.
ATSn?
The value (in decimal) of the n register is returned.
&S[X]
DSR circuit control (107)
The 107 circuit of the V.24 interface, connector J1, and the corresponding LED on
the front plate will act according to the parameter of this command.
&S0
107 circuit (DSR) always ON.
&S1
107 circuit (DSR) passes to ON after detecting answer tone and passes
to OFF when the carrier is lost. (by default)
Update the S21 register, bit 6.
\S
Display active configuration
This command displays the active configuration with the following format.
CURRENT PROFILE:
DTE 19200 8N1
B0 C0 E1 F16 L0 M1 N0 P Q0 V1 W1 X4 Y0 &C1
&D0 &G0 &K3 &L0 &M1 &Q1 &R1 &S1 &X0 %E1 \G0 \N0 \P0 \R0
S00=002 S06=004 S07=050 S08=002 S09=006 S10=040
S12=050 S23=019 S30=003
&V
Display of configuration profiles
The modem will answer by showing the user and factory profiles that are not
selected as active configuration. An example is shown below:
FACTORY PROFILE:
B0 C0 E1 F16 L1 M1 N0 P Q0 V1 W0 X4 Y0 &C1
&D0 &G0 &K3 &L0 &M0 &Q0 &R1 &S1 &X0 %E1 \G0 \N1 \P0 \R0
