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Message number

Message text string 

(max. 25 character including spaces)

  

Description  

Parameters                                           

 

 

 

Phone number(s) (up to 19 digits each)

Output to be activated by a Missed Call or SMS 
(OU1/OU2)

Input to be monitored (IN1/IN2)

Sub-parameters

User Limit UL (1 – 65536 activations)

Output text string (user-configured messages 1-20)

Input text string (user-configured messages 1-20)

(Add phone)

 

Add a phone 
number to the 
system 

 

AP

AP. Adding a Phone

This command allows new phone numbers to be added to the system. 
When adding a new phone, it is possible to specify which Outputs are to 
be activated by a Missed Call from the phone, and which Inputs will 
cause a message to be sent to the phone. The number of times the 
phone can be used to activate the system can also be specified.

Examples 

(Commands have been highlighted for clarity)

p.xxxx.

AP

.

0841

234567.OU2

Adds phone number 0841234567 to the system, 
and assigns Output 2 to be activated by a
Missed Call from this number.

 Command    

 Description                                           

 

 

 

p.xxxx.

AP.0841

234567

 

 

Adds phone number 0841234567 to the system and, 
since no parameters are specified, 

by default

 

assigns Output 1 to be activated by a Missed Call 
from this number. This allows easy addition of new 
phones to a basic system.

For your convenience, a template has been provided below which can 
be used to note down which text strings have been associated with 
which number in the system’s memory. It is also possible to query the 
Module as to which messages are saved in its memory by sending the 
following command:

p.xxxx.co.lm

, where ‘‘xxxx’’ represents the system password.

&

p.xxxx.AP.0823359981.OU2.‘‘10’’.IN1R.‘‘3’’.IN1F.‘‘4’’
Adds phone number 0823359981

 to the system and configures 

Output 2

 to be 

activated by text string 10, Input 1

 to send an 

SMS with text string 3 on rising edge activation and the same 
Input to send an SMS with text string 4 on falling edge activation. 
In such a case, 

text string 3

 would typically be something like 

‘‘power off’’ 

and 

text string 4

 could be 

‘‘power back on’’

.

p.xxxx.

AP.0841

234567.OU1.
OU2

Adds phone number 0841234567 to the system, 
and assigns both Output 1 and Output 2 to be 
activated by a Missed Call from this number.

p.xxxx.

AP.0841

234567.083765
4321.OU1

Adds phone numbers 0841234567 and 0837654321 
to the system, and assigns Output 1 to be activated 
by a Missed Call from either of these numbers. 
The number of phone numbers that can be added 
in one command is limited only by the maximum 
allowed message length (160 characters).

p.xxxx.

AP.0841

234567.OU2.”

5”

Adds phone number 0841234567 to the system, 
and assigns Output 2 to be activated by sending 
user-configured message number 5.

When programming the Output to be 
activated by a specific text string, the text 
string number MUST begin and end with 
double quotation marks (” “). The quotation 
marks (” “) are only required when 
programming - they must not be included 
when sending the text message to activate 
the Output.

p.xxxx.

AP.0845

632347.OU1.
UL20.

 “7"

Adds phone number 0841234567 to the system, 
and assigns Output 1 to be activated by sending  
user-configured message number 7 with a user 
limit of 20 uses. After 20 SMSs (activations), 
this number will automatically be deleted from the 
system, but only if the number has no other 
functionality associated with it.

Summary of Contents for G-SWITCH-22

Page 1: ...Centurion Systems Pty Ltd www CentSys com G SWITCH 22 2G GSM Module Programming Guide TM...

Page 2: ...or SMS Any activation from the user initiated outside of the specified time period will be ignored For instance a user can be granted access between 8 00 and 17 00 Monday to Friday and his access barr...

Page 3: ...eletes Output 2 IN1 Activates Input 1 DIN1 Deletes Input 1 IN2 Activates Input 2 DIN2 Deletes Input 2 DIN1S Deletes Input 1 string DIN2S Deletes Input 2 string DOU1S Deletes Output 1 string DOU2S Dele...

Page 4: ...means of the following command structure p xxxx AP phone number OUz y INz y In this instance xxxx again represents the password z is the number of the Input Output to which one wishes to assign a tex...

Page 5: ...the following command p xxxx co lm where xxxx represents the system password p xxxx AP 0823359981 OU2 10 IN1R 3 IN1F 4 Adds phone number 0823359981 to the system and configures Output 2 to be activate...

Page 6: ...Deletes phone numbers 0841234567 0837654321 and 0827766554 from the system Description Parameters Phone number s up to 19 digits Delete Phone from the system DP DP Deleting a Phone This command allows...

Page 7: ...system Command Description p xxxx CO CS yyyy Change the SIM card PIN code yyyy is the NEW PIN code p xxxx CO EP Enable checking of the SIM PIN number on startup p xxxx CO DP Disable checking of the SI...

Page 8: ...e of the commands below OU OU1on Output command Output 1 on OU OU2on Output command Output 2 on OU OU1off Output command Output 1 off OU OU2off Output command Output 2 off OU OU1on2off Output command...

Page 9: ...phone number will activate Output 1 The incoming please call me SMS must contain the Please call text in order to trigger output 1 p xxxx CO PCMS call 0811234678 Configures the Module so that a Please...

Page 10: ...ems Pty Ltd reserves the right to change any product without prior notice All product and brand names in this document that are accompanied by the symbol are registered trademarks in South Africa and...

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