Scope; Warnings, Ce Marking And Emc; Handling - Elster A1140 User Manual

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Communications
1

SCOPE

This Chapter covers the operation and installation of the ASL A1120/40 GSM modem and
Technolog A1120/40 GSM modem. Both modems are housed in a secure carrier that fits under
the meter terminal cover.
Before installing a module or module peripheral equipment, read the Safety Warnings,
Warnings, Precautions for handling electrostatic discharge sensitive devices and EMC
Guidelines below.
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WARNINGS, CE MARKING AND EMC

Dangerous voltages are present
If the Terminal Cover Plate is not fitted to the A1120 meter, all supplies to the meter
must be isolated before a module or module peripheral equipment is installed or
removed.
Failure to do so may result in electric shock or death.
When installing or removing a module, be aware that multi-drop terminals may be
energised from other A1120 meters.
Caution
Installation of a faulty module or module peripheral equipment may affect the main meter
functionality.
2.1

Handling

Observe precautions for handling electrostatic discharge sensitive devices
When handling communications modules and module peripheral equipment described in
this manual, observe electrostatic discharge precautions at all times.
Avoid touching connector pins and printed circuit boards on communications modules and
module peripheral equipment where the PCB is exposed.
Failure to adhere to this instruction may result in electrostatic damage, contamination or
corrosion.
SAFETY WARNINGS
CAUTION
Communications
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