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Summary of Contents for ViaLite HRX-Y-HB-2
- Page 1 Mil-Aero RF over fibre link Handbook 10MHz – 6GHz User Guide HRX-Y-HB-2 CR5048 21/04/2022 Pulse Power & Measurement Ltd, 65 Shrivenham Hundred Business Park, Watchfield, Swindon, Wiltshire SN68TY, UK Tel +44 (0)1793 784389 Email sales@vialite.com www.vialite.com...
- Page 2 Do not remove equipment external covers when operating. Hot surface The ViaLite systems may have hot surfaces when operating under full load. The hot surfaces are not accessible when fitted in an approved chassis installation. Hot surfaces will be appropriately marked Suitable precaution should be taken when handling this device.
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Page 3: Table Of Contents
10MH RF L Z TO INK HANDBOOK TABLE OF CONTENTS INTRODUCTION ............................5 Typical deployment ..........................5 ViaLiteHD compatibility ........................5 Care of fibre optic connectors ......................5 SETUP AND OPERATION OF THE FIBRE OPTIC LINK ................6 Module Type overview ........................6 Rack card .......................... - Page 4 10MH RF L Z TO INK HANDBOOK MECHANICAL DETAILS ........................... 23 Blue OEM module dimensions ......................23 Blue OEM connector positions ......................23 Black OEM module dimensions ......................24 Black OEM connector positions ......................24 PART NUMBERING ..........................25 TECHNICAL SPECIFICATIONS........................ 26 MAINTENANCE AND FAULT FINDING ....................
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Page 5: Introduction
ViaLiteHD system. ViaLiteHD is a product brand manufactured by Pulse Power and Measurement Ltd (PPM). ViaLite Communications is a division of Pulse Power and Measurement Ltd (PPM). Typical deployment The user’s RF electrical signal is input to the transmitter module, which contains RF signal conditioning and laser control circuitry. -
Page 6: Setup And Operation Of The Fibre Optic Link
10MH RF L Z TO INK HANDBOOK Setup and operation of the fibre optic link This section describes the setup and operation of the fibre optic link in the various form factors available. Module Type overview Rack card All ViaLiteHD plug-in modules are hot-swappable, so it is not necessary to power-down the chassis before inserting a module. -
Page 7: Blue Oem
The Blue OEM is supplied with a 12V power supply for international operation by way of the accompanied fittings. Replacements can be ordered using ViaLite part number 73502. The power supply has capacity to power external RF amplifiers by way of the blue module’s internal bias-T. -
Page 8: Black Ip Rated Oem
The black OEM module is supplied with a power connector and 2m power tails only. Replacements can be obtained using ViaLite part number 73955. The power connector is a Hirose part HR30-6PA-3S(71). The Black OEM can be optionally supplied with the outdoor IP rated power supply module 70094. The IP rated power supply has capacity to power external RF amplifiers by way of the black OEM module’s internal bias-T. -
Page 9: Fibre Optic Interface
Connector and cable types All ViaLiteHD RF modules use single-mode (9µm/125µm) cable terminated in a range of optical connectors detailed below. Cross-site fibre optic cables are available from ViaLite Communications as either standard patch leads or heavy-duty multicore cables. Angle polished (APC) and standard (PC) connectors must not be confused. The two connector types are not interchangeable and mating one with the other may damage both the cable and the module connectors. -
Page 10: Fc/Apc Connectors
10MH RF L Z TO INK HANDBOOK Using a dry cleaning tissue, dry the ferrule and clean the end face. Using the air duster, blow away any residue from the end of the connector. Module Female Receptacle Cleaning (only recommended if problems are being experienced) ... -
Page 11: Minimum Bend Radius
(MBR) specification, beyond which the cable cannot be bent without permanent damage occurring. The minimum bend radius (MBR) of fibre optic cable fitted to ViaLite modules is 50mm. MBR specifications for ViaLite Communications supplied fibre optic cables are given in the ViaLiteHD System Handbook Hxx-HB. -
Page 12: Front Panel Indicators
10MH RF L Z TO INK HANDBOOK Front panel indicators Rack card LEDs Plug-in modules have three front panel LEDs for a visual indication of its state. The following table shows the operation of the front panel LEDs which are dependent on module type. Colour Plug-in Plug-in... -
Page 13: I/O Connections And Features
10MH RF L Z TO INK HANDBOOK I/O connections and features Analogue monitors Rack cards and blue OEM modules have analogue monitor ports. These can be set via software to reflect either the RF or optical power level within the module. The range of the output is 0 – 2V. Analogue monitor -Optical mode 2.50 2.00... -
Page 14: Active Antenna Failure Detection (Afd)
I2C control clock I2C control data The OEM module is supplied with the mating connector and 25cm tails; ViaLite part number 73953. The connector and crimps are Molex 501646-1000 and 501647-1000 respectively should a user wish to derive their own application. -
Page 15: Receiver Rll Agc Function
10MH RF L Z TO INK HANDBOOK Receiver RLL AGC function It is often desirable to have a constant RF over fibre analogue end-to-end link gain despite small changes in optical path loss. With the AGC RLL function enabled, changes in optical Received Light Level are counteracted with corresponding changes in RF gain. -
Page 16: Connection Configuration
10MH RF L Z TO INK HANDBOOK A rubber bung is used to seal the USB-C socket on the black OEM which needs to be removed to allow connection. This is a screw in bung and needs to be turned anti-clockwise to remove. Connection configuration The connection parameters are, as is fairly common: 9600 baud, 8 Data bits, 1 Stop bit, with no parity or flow control. -
Page 17: Rack Card Web Interface Via The Hrc-3
10MH RF L Z TO INK HANDBOOK RX[1]|2:AGC <OFF>|<RLL> RX[1]|2:AGC? RX[1]|2:AGC:TARGET <float> RX[1]|2:AGC:TARGET? RX[1]|2:MONITOR RX[1]|2:MONITOR? TX[1]|2:RF:GAIN TX[1]|2:RF:GAIN? TX[1]|2:RF:GAIN:RANGE? TX[1]|2:RF:POWER? TX[1]|2:OPTICAL:POWER? TX[1]|2:BIAST:VOLTAGE TX[1]|2:BIAST:VOLTAGE? TX[1]|2:BIAST:CURRENT? TX[1]|2:AFD:ENABLE <ON>|<OFF> TX[1]|2:AFD:ENABLE? TX[1]|2:AFD:THRESHOLD TX[1]|2:AFD:THRESHOLD? TX[1]|2:MONITOR TX[1]|2:MONITOR? SYSTEM:VOLTAGE? SYSTEM:VERSION? SYSTEM:ERRORS? SYSTEM:TEMPERATURE? The full command set above with examples and expected return values are documented in a separate document. -
Page 18: System Integration
10MH RF L Z TO INK HANDBOOK System integration In order to integrate the link into a communication system, a full understanding of its performance is required. This section will detail the various performance aspects and how they are affected by optical link length and environmental effects such as temperature. -
Page 19: Gain Selection For Optimum Link Performance
10MH RF L Z TO INK HANDBOOK Gain selection for optimum link performance The following guide shows how to trade NF and Linearity using the transmitter gain control and link output power using the receiver gain control for optimal interfacing with user equipment. The various link configurations are shown in rows with reference data at both 1.5GHz and 5GHz. -
Page 20: Frequency Response
10MH RF L Z TO INK HANDBOOK Frequency response MilAero Link Gain The link frequency response is fairly flat from 10MHz to 6GHz typically < +/- 1 dB. Usable gain is present up to 7GHz. High Gain 2.5mW TX Frequency (GHz) VSWR MilAero Link VSWR 2.00... -
Page 21: P1Db Compression
RF L Z TO INK HANDBOOK P1dB Compression ViaLite Link: Compression input P1dB The input P1dB compression point of the link is fairly consistent with frequency and is directly influenced by the transmitter gain setting which can be traded with noise figure to suit the application. The measurement here is from a link incorporating the low gain transmitter. -
Page 22: Link Delay
10MH RF L Z TO INK HANDBOOK Link delay MilAero Link: Delay The delay through a short link (1m) is fairly 13.8 consistent from 240MHz to 6GHz at 12.2ns. The 13.6 13.4 extra delay seen in the link for low frequencies 13.2 (<240MHz) is visible in the measurement data and 13.0... -
Page 23: Mechanical Details
10MH RF L Z TO INK HANDBOOK Mechanical details Blue OEM module dimensions Blue OEM connector positions... -
Page 24: Black Oem Module Dimensions
10MH RF L Z TO INK HANDBOOK Black OEM module dimensions Black OEM connector positions... -
Page 25: Part Numbering
10MH RF L Z TO INK HANDBOOK Part numbering For part numbering please refer to the relevant datasheet which can be found on our website or contact us. -
Page 26: Technical Specifications
10MH RF L Z TO INK HANDBOOK Technical specifications Standard Gain Link High Gain Link High Output Link HRT-Y1-8n-04-C1550 HRT-Y1-8n-01-C1550 HRT-Y1-8n-04-C1550 HRR-Y1-8n-05 HRR-Y1-8n-05 HRR-Y1-8n-03 Frequency (typ.) 20 MHz to 6 GHz (1 dB 20 MHz to 6 GHz (1 dB 20 MHz to 6 GHz (1 dB 10 MHz to 7 GHz (4 dB 10 MHz to 7 GHz (4 dB... -
Page 27: Maintenance And Fault Finding
10MH RF L Z TO INK HANDBOOK Maintenance and fault finding Green status indication The ViaLiteHD Mil-Aero links are designed to work right ‘out of the box’ such that once powered and joined with an optical cable, the RF link will function at default settings. The transmitter module should show a green light indicating nominal laser power has been achieved and the receive module should show a green light indicating laser light power is being received. -
Page 28: Product Warranty
Manufactured Product – Warranty, which is available at: https://ppm.co.uk/warranty-periods/. Extended warranty options are available at the time of purchase. Prior to returning any goods for warranty or non-warranty repairs please contact PPM / ViaLite Communications for a returns reference. P &...
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