EDMI Variant 450 User Manual
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EDMI Variant 450 User Manual

Dual band communications hub
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EDMI Dual Band Variant 450
Communications Hub Variant (CS-21)
Author: EDMI
Approver: Rajan Bhandari
Date: 15/04/2019
Version / Status: 1.2
Document Classification: Public
Distribution and approvals are maintained in Share Point, distribution to the public via EDMI
webpage.
It is the responsibility of the user of this document to verify that it is the most current edition.

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Summary of Contents for EDMI Variant 450

  • Page 1 Version / Status: 1.2 Document Classification: Public Distribution and approvals are maintained in Share Point, distribution to the public via EDMI webpage. It is the responsibility of the user of this document to verify that it is the most current edition.

  • Page 2: Preface

    EDMI Dual Band Variant 450 Communications Hub Variant (CS-21) Preface Privacy information This document is public information and is shared on EDMI’s webpage. Revision history Name Description of Change Date Version EDMI First Version 05/03/2019 EDMI Several corrections to WAN frequencies across the...

  • Page 3: Table Of Contents

    Preface ............................2 Privacy information ......................2 Revision history ........................ 2 Approval ........................... 2 Dual Band EDMI Variant 450 Communications Hub ............4 Photograph ......................4 Communications Hub Enclosure Engineering Drawing ..........5 Communications Hub Block Diagram ............... 6 General Specification ....................6 Sub GHz 915-921 MHz Channel ................

  • Page 4: Dual Band Edmi Variant 450 Communications Hub

    EDMI Dual Band Variant 450 Communications Hub Variant (CS-21) Dual Band EDMI Variant 450 Communications Hub Photograph Copyright © 2019 EDMI Europe Ltd. All rights reserved Version / Status: 1.2 PAGE 4 OF 22 Public...

  • Page 5: Communications Hub Enclosure Engineering Drawing

    EDMI Dual Band Variant 450 Communications Hub Variant (CS-21) Communications Hub Enclosure Engineering Drawing Copyright © 2019 EDMI Europe Ltd. All rights reserved Version / Status: 1.2 PAGE 5 OF 22 Public...

  • Page 6: Communications Hub Block Diagram

    EDMI Dual Band Variant 450 Communications Hub Variant (CS-21) Communications Hub Block Diagram 2 LEDs User Interface Hardware Security Module Transceiver UART 868 MHz FlexNet Zigbee WAN 412 & 454 31.25 MHz TCXO Flexnet WAN 868 MHz Transceiver Host processor SDRAM 2.4 GHz...
  • Page 7 EDMI Dual Band Variant 450 Communications Hub Variant (CS-21) Ambient temperature limits: -20°C to 55°C SM WAN specification Standard : ETSI EN300 113-1 Frequency Range: Transmit: 412-414 and 453.0-455.0 MHz Receive: 453.0-455.0 MHz TRP: 1W Maximum. Copyright © 2019 EDMI Europe Ltd. All rights reserved PAGE 7 OF 22 Version / Status: 1.2...
  • Page 8 EDMI Dual Band Variant 450 Communications Hub Variant (CS-21) HAN Specification Transceiver TRP: 2.4GHz >6.5dBM TRP: Sub-GHz (excluding 915Mhz) >11dBm TRS: 2.4GHz <-91.5dBm TRS: Sub GHz( excluding 915Mhz) <-97dBm MAPL : (Sub GHz excluding 915Mhz) >108dB MAPL : 2.4GHz >99dB MAPL : Sub GHz 915Mhz >40dB...
  • Page 9 EDMI Dual Band Variant 450 Communications Hub Variant (CS-21) Power Consumption (W) 6W maximum 1W typical Copyright © 2019 EDMI Europe Ltd. All rights reserved PAGE 9 OF 22 Version / Status: 1.2 Public...
  • Page 10 EDMI Dual Band Variant 450 Communications Hub Variant (CS-21) Visual Indicator SM WAN_LED (Left) SM HAN_LED (Right) Copyright © 2019 EDMI Europe Ltd. All rights reserved PAGE 10 OF 22 Version / Status: 1.2 Public...
  • Page 11 EDMI Dual Band Variant 450 Communications Hub Variant (CS-21) ICHIS Connections Pins 1, 2: DC input Pins 3, 4: COM Pin 5: CH_PR (Communications Hub Present) Pin 6: MT_PR (Meter Present) Copyright © 2019 EDMI Europe Ltd. All rights reserved PAGE 11 OF 22 Version / Status: 1.2...
  • Page 12 EDMI Dual Band Variant 450 Communications Hub Variant (CS-21) Labelling See section 1.7 Copyright © 2019 EDMI Europe Ltd. All rights reserved PAGE 12 OF 22 Version / Status: 1.2 Public...
  • Page 13 EDMI Dual Band Variant 450 Communications Hub Variant (CS-21) Packing See section 1.9 to 1.11 Copyright © 2019 EDMI Europe Ltd. All rights reserved PAGE 13 OF 22 Version / Status: 1.2 Public...

  • Page 14: Sub Ghz 915-921 Mhz Channel

    EDMI Dual Band Variant 450 Communications Hub Variant (CS-21) Sub GHz 915-921 MHz Channel MAPL for 915 MHz >40dB. This is not recommended for use. The design goals of good signal performance in the 868 MHz band, circuit design efficiency and immunity to high level adjacent cellular band signals resulted in reduced performance in the 915 MHz band.

  • Page 15: Product Sku Naming Convention

    EDMI Dual Band Variant 450 Communications Hub Variant (CS-21) Product SKU Naming Convention The product SKU is a 10-character code label printed on top left side front face of the Communications Hub. The string of characters relates to the following product information: C S 0 2 1 A –...

  • Page 16: Packaging Drawing (Box)

    EDMI Dual Band Variant 450 Communications Hub Variant (CS-21) Packaging Drawing (Box) Copyright © 2019 EDMI Europe Ltd. All rights reserved Version / Status: 1.2 PAGE 16 OF 22 Public...

  • Page 17: Packaging Drawing (Carton)

    EDMI Dual Band Variant 450 Communications Hub Variant (CS-21) 1.10 Packaging Drawing (Carton) Copyright © 2019 EDMI Europe Ltd. All rights reserved Version / Status: 1.2 PAGE 17 OF 22 Public...

  • Page 18: Packaging Drawing (Pallet Loading)

    Packaging Drawing (Pallet Loading) 1.12 Compliance Declaration Hereby, EDMI Europe Ltd declares that this Variant 450 DB (CS-21) Communications Hub equipment is in compliance with the essential requirements and other relevant provisions of Directive 2014/53/EU. Copyright © 2019 EDMI Europe Ltd. All rights reserved Version / Status: 1.2...

  • Page 19: Expected Normal Use And Warnings

    EDMI Dual Band Variant 450 Communications Hub Variant (CS-21) 2 Expected Normal Use and Warnings Home User This equipment contains no end user serviceable parts and as such end users should not be directly operating or touching this equipment. Note! Only qualified Smart Meter Installers should install / remove this equipment.

  • Page 20: Appendix - Noise

    EDMI Dual Band Variant 450 Communications Hub Variant (CS-21) Appendix - Noise Noise Limit Noise limits for hosts as referred to in ICHIS (Intimate Communications Hub Interface Specification): Permissible noise floor rise above thermal noise: ≤7 dB between 453.0 MHz and 455.0 Permissible noise floor rise above thermal noise: ≤...

  • Page 21: Spectrum Analyser Guide Settings

    EDMI Dual Band Variant 450 Communications Hub Variant (CS-21) 3.2.3 HAN Sub GHz From fundamental theory, thermal noise floor in a 200 kHz bandwidth (at room temperature of 296 K) is: -173.87 + 10*log (200 kHz) dBm = -120.86 dBm...
  • Page 22 EDMI Dual Band Variant 450 Communications Hub Variant (CS-21) Units 3.3.3 WAN Sub GHz centre frequency span 1000 detector Average sweep speed ref level Attenuator Pre Amp Units 3.3.4 ICHIS Interface Specification https://www.smartdcc.co.uk/document-centre/communications-hubs/intimate-communications-hub- interface-specification/ Copyright © 2019 EDMI Europe Ltd. All rights reserved Version / Status: 1.2...

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