Elster A1140 User Manual page 74

A1120/40 Meter Users Manual - Chapter 3 - Communications
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Contents
1 SCOPE .................................................................................................................................... 3
2 WARNINGS, CE MARKING AND EMC.................................................................................. 3
2.1 Handling................................................................................................................................... 3
2.2 CE Mark ................................................................................................................................... 4
2.3 Guidelines for Compliance with EMC Directive ....................................................................... 5
3 GSM MODEMS GENERAL INFORMATION .......................................................................... 6
4 TECHNOLOG GSM MODEM.................................................................................................. 8
4.1 RS232 Multi-drop Mode........................................................................................................... 9
4.1.1 RS232 Multi-drop Installation Procedure................................................................................. 9
4.2 RS 485 Multi-drop Mode........................................................................................................ 10
4.2.1 RS485 Multi-drop Mode Installation Procedure..................................................................... 10
4.2.2 Amplicon Model RS485 Line Driver....................................................................................... 11
4.3 Configuring the Technolog Modem........................................................................................ 11
5 ASL A1120/40 GSM MODEM ............................................................................................... 13
© Elster Metering Limited - M181 001 4A - 5/2007 DRAFT
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