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ATTENTION

The output power of the reader may not exceed the maximum input power of
the multiplexer (2W resp. 4W). The RF in- and outputs may not be supplied 

with CD offsets greater than 10 V. Disregarding may result in a damaged 
device in both cases.

ATTENTION

The multiplexer is not terminated. If there is no 50 Ohm load connected to 

the selected antenna port, the signal will be reflected to the reader. This can 
potentially damage the reader permanently. Please observe the maximum 

voltage standing wave ration (VSWR) of your reader.

Technical Documentation metraTec HF Multiplexer                                                                           Page 8 of 13

Summary of Contents for hfMux-X

Page 1: ...Technical Documentation for metraTec HF Multiplexer 4 8 and 16 Port Date December 2016 Version 2 5 Technical Documentation metraTec HF Multiplexer Page 1 of 13...

Page 2: ...Further Documents 3 2 Product Description 4 2 1 Intended Use 4 2 2 Technical Specification 4 2 3 Product Drawing 5 2 4 Scope of Delivery 5 3 Installation 6 4 Antenna Selection 9 5 RF Specification 10...

Page 3: ...not designed for use in dangerous environments Using these products in applications where a failure could directly result in severe injuries or death high risk activities is not permitted This includ...

Page 4: ...operation For compatibility of the multiplexer with any other HF RFID reader please contact the metraTec Team Versions with 4 8 and 16 antenna ports are available 2 1 Intended Use The hfMux X HF Multi...

Page 5: ...g parts hfMux X HF Multiplexer Control Cable Documentation available via download from metraTec s website http www metratec com Support Downloads Technical Documentation metraTec HF Multiplexer Page 5...

Page 6: ...device that controls the multiplexer and the multiplexer The device has optically isolated 24 V inputs which are used by many industrial devices e g PLCs Each input needs a 24 V line e g hfMux 4 Input...

Page 7: ...Technical Documentation metraTec HF Multiplexer Page 7 of 13 Fig 4 Connector description of the hfMux 16 Fig 2 Connector description of the hfMux 4 Fig 3 Connector description of the hfMux 8...

Page 8: ...arding may result in a damaged device in both cases ATTENTION The multiplexer is not terminated If there is no 50 Ohm load connected to the selected antenna port the signal will be reflected to the re...

Page 9: ...na 3 HIGH HIGH LOW LOW Antenna 4 LOW LOW HIGH LOW Antenna 5 HIGH LOW HIGH LOW Antenna 6 LOW HIGH HIGH LOW Antenna 7 HIGH HIGH HIGH LOW Antenna 8 LOW LOW LOW HIGH Antenna 9 HIGH LOW LOW HIGH Antenna 10...

Page 10: ...plexer The values were measured in the standard version of the multiplexer with BNC connectors Frequency Insertion Loss Channel Isolation 13 56 MHz 0 45 dB 43 dB The input reflection behavior depends...

Page 11: ...tals and other harmful substances as required by the RoHS Directive for many industries Hence our products are produced in the most environmentally friendly way possible 6 2 Declaration of Conformity...

Page 12: ...9 2012 2 1 Connector for 8 and 16 added KD 04 02 2014 2 2 minor corrections CS 18 09 2014 2 3 scope of delivery completed CS 05 11 2014 2 4 conformity notes added dimensions corrected minor changes CS...

Page 13: ...mbH Reprint or reproduction of this documentation for other than internal purposes is only allowed with written permission by metraTec GmbH All trademarks are the property of their respective owners A...

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