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 TECHNICAL REFERENCE AND USER’S GUIDE  

REV A

 GSM GATEWAY

1.    Location of the gateway on the wall is determined through the mounting template 
 

and screw spots are marked. 

2.   The anchor plugs are inserted into the marked spots. (Figure-8.a)
3.   Screws are driven so as 7-mm section of their heads will extend out of the wall 
 

(Figure-8.b) (Height of the screw heads could be checked with the edge of the 

 mounting 

template.) 

4.   The upper screw will be held corresponding to the upper screw slot at the back of 
 

the module and hanged by pulling the module downwards (Figure-9). In the 

 

 

meantime lower edge of the back cover is risen up so that the other screw would not 

 

prevent the motion of the box.   

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Figurel-9

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5.   When the upper screw has come to the highest point, the lower screw is attached to 
 

its slot by turning the lower cover slightly to the right (Figure-10). 

Figure-10

6.  Perpendicularity of the module according to the floor is adjusted by sliding the 
 

lower cover in the right-left direction and then the gateway is fixed to the wall by 

 

tightening the lower screw (Figure-10). 

7.   Cover of the module is replaced after the SIM cards have been placed and 
 

connections of the electric installation and peripheral units have been made.        

The PS03 power adaptor has been designed so as to be mounted on the wall, between 
the module and the outlet. The electric plug extending out of the adaptor is plugged in an 
outlet whose output voltage would not be affected by environmental factors. The module 
connection is made by plugging the jack at the end of the power connection cable coming 
out of the other side into the POWER input on the module. 

Lengths of cables should also be taken into consideration while mounting the adaptor on 
the wall. Length of the cable between the adaptor and the module is 50 cm. and length 
of the cable between the adaptor and the outlet is 200cm. 

The adaptor is mounted 25 cm. away from the module, in the lower left direction. 

After inserting anchor plug and the screw, which are within the adaptor box, in the wall 
at appropriate distance, the adaptor is hanged on that screw. 

PS03 POWER ADAPTOR CONNECTION 

Figurel-8

Summary of Contents for GT20

Page 1: ...01 2003 G T 20 GT 20 GT 10 TECHNICAL REFERENCE AND USER S GUIDE GSM GATEWAY...

Page 2: ...TECHNICAL REFERENCE AND USER S GUIDE REV A GSM GATEWAY...

Page 3: ...mployed signal levels for both of them should be checked Since frequently interrupted mains supply would affect normal operation of the system take care in making the power connection of the system sp...

Page 4: ...pared in order to present detailed technical information to people who need hardware based information about the GT20 and GT10 GSM Gateways information about installation of the gateway settings that...

Page 5: ...the exchange in Caller ID format upon wish GT20 GT10 has a structure that enables it to generate Caller ID information both in ETSI and Bellcore standards and in FSK format The selection between these...

Page 6: ...s and auxiliary circuits See the figure below for circuit locations S1 SIM slot for GSM module 1 G1 GSM module 1 A1 Analog extension for GSM module 1 C Computer interface reserved for future use L LED...

Page 7: ...cation is established with the GSM module the module is reset and the required parameters are loaded Start up state Even though the signal is above a certain level the channel may be in No network sta...

Page 8: ...ECIFICATIONS Parameter is needed confirmation tone 150 ms 500 Hz It is heard when a parameters needed to be entered or a correct programming action has been taken during programming Error tone 600 ms...

Page 9: ...uld be chosen As single line telephones or telephone systems may be affected by the signal level of the GSM gateway it is recommended to select a place for GT20 10 far away from these equipments 5 The...

Page 10: ...right left direction and then the gateway is fixed to the wall by tightening the lower screw Figure 10 7 Cover of the module is replaced after the SIM cards have been placed and connections of the el...

Page 11: ...sing the button shown as A the SIM cover shown as B is removed The SIM card is placed properly on the panel shown as C The cover B is pushed in place to finalize the installation If the mains voltage...

Page 12: ...lained above If the site has a clean and smooth surface the paper at the back of the holder is removed and the holders are sticked on the surface If the surface is dusty and shaggy rough plaster woode...

Page 13: ...SM Module Out Of Programming Mode The module must be taken out of the programming mode in order to terminate programming and storing new parameter values into the memory Automatic PIN Code Entry Thank...

Page 14: ...he Caller ID information for the call coming over the GSM module to the exchange or telephone over the analog line Parameters P 0 Caller ID transmission is not on line 1 Caller ID transmission is on l...

Page 15: ...se a number from the GT20 GT10 memory this program can be used Parameters P 01 64 Phone book index 842 P 843 P N 844 P Incoming Voice Level The incoming voice level can be adjusted for the calls made...

Page 16: ...nswer This program stores the number to which the unanswered calls coming over the GSM module on GT20 GT10 are forwarded Parameters P Telephone number with at most 16 digits Notes If the number of dig...

Page 17: ...to make an external line call By this way since the calls are made over the GSM modules on GT20 call tolls will be much less than the calls made over normal lines On the other hand when the LCR featur...

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