198
6196-2220
CHANNEL 3
PWR
RD
TD
DCD2
DCD3
DCD4
CHANNEL 2
POWER
12-36V DC
1
2
3
4
5
- +
R+ R- T+ T-
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
R+ R-
T+ T-
T+ T-
R+ R-
GD-01
PLC
GD-xx manually sending text message with SMS to GD-xx
GSM in the sending end
AT+CPIN=______
Insert PIN number if required
AT&F
To set the unit to factory default settings
AT+CMGS=”070428020”<CR>
Sending text message to given number
I am fine thanks<ctrl Z>
+CMGS: <mr>
Response from GD-xx where <mr> shows number of
outgoing messages (which are not stored)
OK
Successful transmission.
GSM in the receiving end
+CMTI: ”SM”,n
Message from GD-xx to terminal. Message have been
Received and can be read at location n.
AT+CMGR=n
To read the message stored at location n.
+CMGR: “REC UNREAD”,
Message from GD-xx.
“+46708888888”,,”02/04/15,
08:38:35-04”
I am fine thanks
Message from sender.
Note:
The incoming SMS message can be also be transmitted directly to the terminal
as soon as the modem receives the message. Please refer to the AT-command
section of this manual.
Summary of Contents for GD-01 TCP
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