Weidmuller IE-GPRS-I/O Manuel d'utilisateur télécharger pdf (Page 8)

Serial Interface

DIP Switch - front side

Interface assignment

COM 1

1 DCD Received Line Signal Data Carrier Detect

2 RxD Received Data

3 TxD Transmitted Data

RS 232 4 DTR Data Terminal Ready

5 GND Signal Ground/Common Return

6 DSR Data Set Ready

7 RTS Request to Send

8 CTS Clear to Send

9 RING Ring Indicator

off off off off

1 2 3 4

off off off

ON ON

off off

DDIIPP sswwiittcchh

FFuunnccttiioonn

Operates as signalling and GSM/GPRS system

On-site configuration. Serial interface to the PC by

means of the programming cable

Diagnostics to the serial interface by means of a ter-

minal programme

Reset all default settings by applying the operating

voltage

Firmware update

1 2 3 4

OFF

1 2 3 4 5 6 7 8 9 10 11

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Weidmuller IE-GPRS-I/O Manuel d'utilisateur Page 8