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CEP AG

Revision 1.2

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Page 7 of 28

Signals of Power Connector

PIN

Signal

Direction

Limits

Description

1

VCC

Input

5 – 36V

Positive power input, DC

2

ADC_IN or

 not connected

Input

0 – 36V

- Analogue Input in GT864 PY
- No connection in GT864 Quad version

3

HR_IN

Input

5 – 36V

Active high control line used to switch off
V

IH

> 5V, V

IL

< 0.5V

Power off: 1s < t < 2s

4

TO_IN

Input

5 – 36V

Positive edge triggered signal; used to
switch on the
modem
V

IH

> 5V, V

IL

< 0.5V

Power on: t > 1s

5

DIG_OUT / or

not connected

Output

5 –  VCC

max. 36V

- Digital Output in GT864 PY
- No connection in GT864 Quad version

6

GND

Input

-

Negative power (ground) input and return
path for TO_IN and HR_IN

2.1.1  Analogue Input - GT864 PY Variant only

The following command has to be used to initialise and to read the status of the
analogue input:

AT#ADC=1,2,0 or AT#ADC=1,2

Response:

#ADC: <digital value>

e.g.  #ADC: 

119

ADC_ IN   0,026V x digital value

Examples:

ADC_IN [V]

5V

12V

24V

32V

digital value

192

461

923

1230

Содержание GT864-PY

Страница 1: ...___ __________________________________________________________________________________________ Page 1 of 28 GT864 QUAD PY Terminal Technical Description Rev 1 2 CEP AG Raiffeisenallee 12b 82041 Oberha...

Страница 2: ...ponents inside the device has been discharged All cables and wires which are energized and connected to the device the module or components have to be checked regularly for any damage of the isolation...

Страница 3: ...ng states LEDs 14 3 3 1 Power up LED green LED in the middle 14 3 3 2 Status LEDs one yellow one red 14 4 Power consumption 15 Safety and Product Care 16 4 1 Safety instructions 16 4 2 General precaut...

Страница 4: ...show the mechanical design of the GT864 QUAD PY Terminal along with the positions of the different connectors and mounting holes The GT864 QUAD PY Terminal case is made of durable PC ABS plastic Plea...

Страница 5: ...ly bolt the modem into your application Keypad display microphone speaker and battery are not part of the modem The SIM card is mounted in the modem accessible by the user under a lid without any tool...

Страница 6: ...supplying and controlling DC power to the modem The supply voltage VCC required by the modem is in the range 5V 36V DC Application of the supply voltage does not switch the modem on To do so an addit...

Страница 7: ...line used to switch off VIH 5V VIL 0 5V Power off 1s t 2s 4 TO_IN Input 5 36V Positive edge triggered signal used to switch on the modem VIH 5V VIL 0 5V Power on t 1s 5 DIG_OUT or not connected Outpu...

Страница 8: ...or so you can connect a handset or microphone speaker system here available for the GT864 QUAD only GT864 PY with GPIO The programmable GT864 PY provides digital inputs on that connector so you can us...

Страница 9: ...tivity of a headset or any other audio equipment using the analogue microphone and loudspeaker interface of GT864 QUAD Terminal The table below describes the signals on the USB connector GT864 QUAD Pi...

Страница 10: ...vel 12 30V ESD protected under full control of embedded application GT864 PY Pin Layout for Mini USB connector GT864 PY GPIO GT864 PY PIN Mini USB Mini USB PIN GPIO 11 D1 IN1 1 GPIO 12 G4 IN2 2 GPIO 1...

Страница 11: ...max 10 1 VSWR recommended 2 1 2 4 SIM card reader The GT864 QUAD PY Terminal is fitted with a SIM card reader designed for 3V SIM cards It is the flip up type which is lockable in the horizontal posi...

Страница 12: ...dition the DCE for data transmission The default level is high by internal pull up The exact behaviour of RTS is defined by an AT command Software or Hardware control can be selected Hardware flow is...

Страница 13: ...The modem can be configured to start up at the time power is applied by permanently tying power connector signals TO_IN pin 4 and VCC pin 1 together In this case DTR must be used to switch the modem o...

Страница 14: ...R permanently to low 0 8V HR_IN to high level for 1s t 2s A delay of up to 10s is experienced as the modem logs off the network 3 3 Operating states LEDs 3 3 1 Power up LED green LED in the middle The...

Страница 15: ...ed for signalling any useful status of the external application such as error indication status of communication GPRS SMS CSD etc status of GSM network to simulate GSM LED quality of service 4 Power c...

Страница 16: ...You are responsible for observing your country s safety standards and where applicable the relevant wiring rules 4 2 General precautions The GT864 QUAD PY Terminal as a stand alone item is designed f...

Страница 17: ...e consider the risk of lightning Follow the instructions provided by the antenna manufacturer Never connect more than one modem to a single antenna The modem can be damaged by radio frequency energy f...

Страница 18: ...h can be the result of a disturbance from another source for example an electronic device in the immediate vicinity More information about possible communication disturbances can be found in section 5...

Страница 19: ...y attach the GT864 QUAD PY Terminal modem to the host application using two 3mm diameter pan head screws 5 3 Antenna 5 3 1 General The antenna is the component in your system that maintains the radio...

Страница 20: ...al areas and light industry can withstand a minimum of 3V m 5 3 4 The antenna cable Use 50 impedance low loss cable and high quality 50 impedance connectors frequency range up to 2GHz to avoid RF loss...

Страница 21: ...e with communication and may cause a delay or at worst a disruption 5 4 CEP Certified Accessories Product Description Power supply 230V AC 12 VPC 6pin RJ11 connector Power cable 6pin RJ11 connector wi...

Страница 22: ...p 850 900 MHz 106 dBm typ 1800 1900 MHz Overall dimensions excluding connectors 77 x 67 x 26mm Weight ca 90g RoHS compliant Temperature range o 30 C to 75 C Operational o 40 C to 85 C Storage temperat...

Страница 23: ...Asynchronous non transparent circuit switched Data CSD up to 9 6 kbps V 110 GPRS Data GPRS Class 10 Mobile station class B GPRS Coding Scheme 1 4 Fax Fax Group 3 class 1 GSM supplementary Call forwar...

Страница 24: ...internally implementing the application code directly in the Python language Memory 3MB of NV memory for the user scripts and 1 2MB RAM for the Python engine usage Over the Air Application SW update T...

Страница 25: ...y EFR Enhanced Full Rate EMC Electro Magnetic Compatibility ETSI European Telecommunication Standards Institute FR Full Rate GPRS General Packet Radio Service GSM Global System for Mobile Communicatio...

Страница 26: ..._______________________________________________ __________________________________________________________________________________________ Page 26 of 28 8 Mark of Conformity The GT864 QUAD PY Terminal...

Страница 27: ...n 1 2 _________________________________________________________________________________ __________________________________________________________________________________________ Page 27 of 28 8 2 RoH...

Страница 28: ...contact customer support please use the contact details below Customer Support CEP AG Raiffeisenallee 12b 82041 Oberhaching Germany E mail support cepag de or Tel 49 89 450 292 11 Information about CE...

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