Karel GT20 User Manual Download

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TECHNICAL REFERENCE AND USER'S GUIDE

GSM GATEWAY

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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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