44
Table 4.2
Output operation algorithm
Output operation algorithm
Output active state
Output active state
Code
Function
0
No functions
—
—
1
Connection status
GPRS connection is established
No GPRS connection
2
Active SIM card
Primary SIM card
Secondary SIM card
3
SIM cards are available
SIM card is available (at least one)
No SIM cards
4
Operation via CSD.
Operation via CSD.
—
6
Data link activity
CONNECT
When data is received over GPRS,
the pin switches to an active state,
and data transmission begins after
the pause of 150 msec
.
when no data is available to
transmit over GPRS or in a COM
port within the time period speci-
fied in the
Data absence time
option (in the ATM Control appli-
cation);
after module restart.
CSD
CSD connection is open
CSD connection is closed
7
Disabling the module
Module is enabled
Module is disabled
8
Command mode (per-
forming a task by SMS
command)
See section
"GPIO Pins Control via SMS Commands"
.
The command mode enables the modem output to be controlled via single-acting SMS commands. The out-
put can be transferred into an active or passive state as well as an output signal can be generated by sending
an SMS command to the modem. Two types of output signal are available for the command mode: pulse of the
specified duration and trigger. By default, the trigger is used. For more details on the basic settings, refer to the
"GPIO Pins Control via SMS Commands"
section.
If the pin is in an active state, data is transmitted without a pause when received.
Содержание ATM2-232
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