L1 N RxD GND TxD GND Rx+ Rx- Tx+ Tx- CL+ CL-

MAINS 85-265V50/60 Hz

CONFIGURATIONINTERFACE

RS-232

COMMUNICATIONINTERFACE

ANT

RS-23220 mA

85 – 264 Vac PowerSupply

GSM

µP

DTEInterface

PWR GSM TxD RxD CTS DTR DCD RI

WatchDOG WatchDog “tick” LED

GSMGPRS

Module

4 I/O 4 I/O

C

INTERFACE + POWER SUPPLY board

PROCESSOR board

PSTN / ISDN / GSM board

DTE-CL1 2 3 4

AUX1 2 3 4

I/O0 1 2 3 4 5 6 7 8 9

DTERS-232

2 1- +

3 2 1 N L1

4 3 2 1A B

PS- low PS- high Line

DTE-CL1 2 3 4

RxD

+

-

20 mA

+

-

+5 V

TxD

R

1 3

RxD

+

-

20 mA

+

-

+5 V

TxD

R

loop

jumper placed

NO jumper

n/a

PWRGSMTxDRxDCTSDTRDCDRI

J1

J2JP6

JP5

JP2

JP1

J4

J5

X

X

X

X

X X

X

X

X X

X

J4

J524 hour

J4

J56 hour

J4

J512 hour

J4

J51 hour

jumper placed

NO jumper

n/a X

WDPWRGSMTxDRxDCTSDTRDCDRI

J4 J3 J2 J1J6 J5

J7 J8

X X X X X XXXXX

J7 J8

24 hour

12 hour

6 hour

1 hour

J10 J9

24 hour

12 hour

6 hour

1 hour

jumper placed

NO jumper

n/a X

J6 J5 J4 J3

J7 J8

J10 J9

Power Supply

TxD DTR DCD PWR RxD CTS RI UA2

WD

L1 N

MAINS 85-265V50/60 Hz

CONFIGURATIONINTERFACE

RS-232

RxD GND TxD GND

COMMUNICATIONINTERFACE

ANT

I/O 0 1 3 4

L1 N

MAINS 85-265V50/60 Hz

CONFIGURATIONINTERFACE

RS-232

RxD GND TxD GND

COMMUNICATIONINTERFACE

PSTN orISDN

I/O 0 1 3 4