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PWR GSM TxD RxD CTS DTR DCD RI. 4 I/O. 4 I/O. GSM. RS-232 20 mA. DTE Interface. GSM GPRS Module. µP. 85 – 264 Vac. Power Supply. C. Watch DOG. WatchDog “tick” LED. MAINS 85-265V 50/60 Hz. CONFIGURATION INTERFACE RS-232. COMMUNICATION INTERFACE. ANT. RxD GND TxD GND

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  1. PWR GSM TxD RxD CTS DTR DCD RI 4 I/O 4 I/O GSM RS-232 20 mA DTE Interface GSM GPRS Module µP 85 – 264 Vac Power Supply C Watch DOG WatchDog “tick” LED MAINS 85-265V 50/60 Hz CONFIGURATION INTERFACE RS-232 COMMUNICATION INTERFACE ANT RxD GND TxD GND Rx+ Rx- Tx+ Tx- CL+ CL- L1 N

  2. DTE-CL 1 2 3 4 AUX 1 2 3 4 I/O 0 1 2 3 4 5 6 7 8 9 INTERFACE + POWER SUPPLY board PROCESSOR board PSTN / ISDN / GSM board PS- low PS- high Line DTE RS-232 2 1 - + 3 2 1 N L1 4 3 2 1 A B

  3. DTE-CL 1 2 3 4 +5 V - + TxD R RxD + 20 mA -

  4. loop 1 3 +5 V - + TxD R RxD + 20 mA -

  5. J4 J4 24 hour 12 hour J5 J5 J4 J4 6 hour 1 hour J5 J5 PWR GSM TxD RxD CTS DTR DCD RI X J2 X X JP6 JP5 X X X JP2 X X JP1 X J4 J1 J5 X jumper placed NO jumper n/a X

  6. J7 J8 J7 J8 24 hour 12 hour WD PWR GSM TxD RxD CTS DTR DCD RI 6 hour 1 hour J4 J3 J2 J1 J6 J5 X X X X X X X X X X jumper placed NO jumper n/a X

  7. TxD DTR DCD PWR RxD CTS RI UA2 J10 J9 24 hour WD 12 hour J10 J9 6 hour 1 hour J6 J5 J4 J3 jumper placed NO jumper n/a J7 J8 Power Supply X

  8. ANT COMMUNICATION INTERFACE CONFIGURATION INTERFACE RS-232 MAINS 85-265V 50/60 Hz L1 N I/O 0 1 3 4 RxD GND TxD GND PSTN or ISDN COMMUNICATION INTERFACE CONFIGURATION INTERFACE RS-232 MAINS 85-265V 50/60 Hz L1 N I/O 0 1 3 4 RxD GND TxD GND

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