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General information
1.1
Explanation of symbols
The symbols used in this operating manual are explained below.
Attention!
This symbol precedes text messages which must strictly be observed. Failure to comply with
this information can result in injuries to personnel or damage to the equipment.
Notice!
This symbol indicates text passages containing important information.
1.2
Declaration of conformity
The MA 21 modular connector units have been designed and manufactured in accordance
with applicable European directives and standards.
Notice!
A copy of all declarations of conformity available for this product can be found in the appen-
dix of this handbook (see chapter 10.1 "EU Declaration of Conformity" on page 37).
The manufacturer of this product, Leuze electronic GmbH + Co. KG in D-73277 Owen/Teck,
uses a certified quality assurance system in accordance with ISO 9001.
1.3
Description of MA 21 functions
The MA 21 modular connector unit is used to connect Leuze identification systems (IDS)
featuring an RS 232 interface such as BCL 22, RFM 32, VR and hand-held scanners to
other interfaces such as RS 422, TTY or to the Leuze multiNet (depending on device type).
This is accomplished by transmitting the data from the IDS via an RS 232 (V.24) interface
to the MA 21 where a module converts it to the respective protocol. The data format of the
RS 232 interface corresponds to the standard Leuze data format.
Leuze electronic
MA 21
General information
3
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