Download
Share
Print this page
Viavi SCU-1800 User Manual
  1. Manuals
  2. Brands
  3. Viavi Manuals
  4. Recording Equipment
  5. SCU-1800
  6. User manual

Viavi SCU-1800 User Manual

Hide thumbs Also See for SCU-1800:

Advertisement

Quick Links

Download this manual
SCU-1800
User Guide and
Overview
Updated Last: December 2020

Advertisement

loading
Need help?

Need help?

Do you have a question about the SCU-1800 and is the answer not in the manual?

Questions and answers

Related Manuals for Viavi SCU-1800

Summary of Contents for Viavi SCU-1800

  • Page 1 SCU-1800 User Guide and Overview Updated Last: December 2020...
  • Page 2 SCU-1800 Configuration Overview • Forward Sweep Menu Overview • Configuring the Static IP Address • Forward Sweep Menu Buttons • Logging into the SCU-1800 • Reverse Sweep Menu Overview • Navigating the SCU Configuration Menus Page • Reverse Sweep Menu Buttons •...
  • Page 3 SCU-1800 Introduction www.viavisolutions.com www.viavisolutions.com © 2020 Viavi Solutions Inc. Table of Contents...
  • Page 4 SCU-1800 High Level Overview • Available in two mode configurations 1. Forward Sweep + Single User Reverse Sweep 2. Multiple User Reverse Sweep Only • Can be configured remotely via Ethernet • HTTP or HTTPS supported • Forward channel plans can be learned on the ONX and uploaded to the SCU •...
  • Page 5 Optical Receivers RF Inputs Nodes SCU 1800 Optical Transmitters RF Out Optical Transmitters Optical Transmitters Forward Combiners and splitters Note: that the forward carriers are not fed back into the SCU1800 www.viavisolutions.com © 2020 Viavi Solutions Inc. Table of Contents...
  • Page 6 Space conserving 1RU sweep control unit with 16 switchable return sweep ports • Less combining required • Improved noise performance The headend/hub SCU-1800 Sweep Control Unit provides non-interfering downstream sweep to 1.218 GHz and upstream sweep to 204 MHz on up to 16 ports.
  • Page 7 SCU-1800 Configuration Overview www.viavisolutions.com www.viavisolutions.com © 2020 Viavi Solutions Inc. Table of Contents...

  • Page 8: Configuring The Static Ip Address

    Configuring the Static IP Address • Using the front panel of the SCU-1800 press the down arrow to view and set the static IP address Once IP address is visible press the “Checkmark” button to enter the IP edit mode on the font panel •...
  • Page 9 Logging into the SCU-1800 • Using a web browser navigate to the IP address on the front of the SCU-1800 that will be configured • When prompted, enter the SCU-1800 user name and password Default Username is “scuadmin” and the default password is “scuadmin”...
  • Page 10 Firmware – View and update firmware versions • Options – View and install software options • Login Settings – Change login username and password • About – Serial number and calibration information • www.viavisolutions.com © 2020 Viavi Solutions Inc. Table of Contents...

  • Page 11: Sweep Settings

    Forward Telemetry Frequency – Sets the downstream telemetry signal frequency – this will need to be set in the • field sweep unit (ONX or DSAM) to be able to communicate with the SCU-1800 Independently set the transmit level of the telemetry signal and transmit level of sweep pulses – if the telemetry •...

  • Page 12: General Settings

    Signal Level Units – Change which units are used for displaying signal levels – dBmV, dBµV, dBm • Device Name – The default device name is “SCU-1800” this can be changed to better identify specific SCUs • HTTPS Enabled – If enabled the web interface to the SCU-1800 will utilize secure sockets to communicate to •...
  • Page 13 If the box is not checked then only the reverse sweep points received at the SCU will have reverse TPC applied and the telemetry signal will not be affected by the configured TPC value www.viavisolutions.com © 2020 Viavi Solutions Inc. Table of Contents...
  • Page 14 The Current firmware version installed is shown under the “Firmware Package Version” • To update firmware on the SCU press the “Choose File” button, find the desired SCU • firmware upgrade package, then press the “Upgrade Firmware” button www.viavisolutions.com © 2020 Viavi Solutions Inc. Table of Contents...
  • Page 15 Options • See what current options are installed into the SCU-1800 To add an option on the SCU press the “Choose File” button, find the desired SCU option upgrade file, then • press the “Deploy” button www.viavisolutions.com © 2020 Viavi Solutions Inc.

  • Page 16: Changing Username And Password

    Changing Username and Password The default username and password can be reset on the SCU-1800 to a customized field Usernames and Passwords must be 6 characters or longer of any combination of letters, numbers, and special characters If the new login information is lost, or forgotten, users can reset the SCU’s default login using the LCD panel www.viavisolutions.com...
  • Page 17 About • Shows the Model Number, Serial Number, SCU Receiver Calibration Date, and SCU Transmitter Calibration Date www.viavisolutions.com © 2020 Viavi Solutions Inc. Table of Contents...
  • Page 18 Overview of Forward and Reverse Sweep Menus www.viavisolutions.com www.viavisolutions.com © 2020 Viavi Solutions Inc. Table of Contents...
  • Page 19 Forward Sweep Menu Overview • Once in the SCU-1800 press the Forward Sweep Tab • The big window shows all previously configured forward sweep plans Currently active plan will have a check mark next to it under the Active column •...
  • Page 20 Forward Sweep Menu Buttons Once in the SCU-1800 press the “Forward Sweep” Menu: • New - To create a new sweep plan (reviewed in detail below) Copy – Will duplicate the highlighted plan and add • “(copy)” to the end of the original plan’s name Edit –...
  • Page 21 Reverse Sweep Menu Overview • Once in the SCU-1800 press the Reverse Sweep Tab will vary depending on which version of SCU-1800 was purchased and which configuration is active Either “Single User Reverse Sweep” or “Multi-User Reverse • Sweep” buttons will appear – this helps indicate which version of Reverse sweep this SCU is currently using •...
  • Page 22 Reverse Sweep Menu Buttons Once in the SCU-1800 press the “Single User Reverse Sweep” or “Multi-User Reverse Sweep” Menu: • New - To create a new sweep plan (reviewed in detail below) Copy – Will duplicate the highlighted plan and add “(copy)”...
  • Page 23 Setup a Forward Sweep Plan www.viavisolutions.com www.viavisolutions.com © 2020 Viavi Solutions Inc. Table of Contents...
  • Page 24 Steps for Setting up SCU-1800 to perform Sweep • The SCU-1800 can be configured to either utilize existing live channels as sweep points, OR to inject sweep points in-between carriers in their guard band • Use Live Channels as Sweep Points...
  • Page 25 Completely Manual Forward Sweep Setup • Manually Creating Each Channel in the SCU-1800 www.viavisolutions.com www.viavisolutions.com © 2020 Viavi Solutions Inc. Table of Contents...
  • Page 26 Creating a Downstream Sweep Plan Once in the SCU-1800 press the “Forward Sweep” button • This will show all the previously configured forward sweep plans and allow the user to create or edit forward sweep plans • To create a new Forward Sweep plan press the New Button www.viavisolutions.com...
  • Page 27 Next label the new forward sweep plan and press OK • Since this is a manual entry of the active channel plans we will not be importing any channel plan, so press the “Skip” button www.viavisolutions.com © 2020 Viavi Solutions Inc. Table of Contents...
  • Page 28 “Sweep Points List” Level is the power level of the channel at the RF Combiner and is used by the field unit to estimate point to point attenuation during unreferenced sweep tests www.viavisolutions.com © 2020 Viavi Solutions Inc. Table of Contents...
  • Page 29 Additional sweep points can be added to the sweep plan when vacant spectrum is desired to be used while performing sweep tests Either as a contiguous range of sweep points OR as individual sweep points www.viavisolutions.com © 2020 Viavi Solutions Inc. Table of Contents...
  • Page 30 Save the new sweep plan by pressing the “Back” button www.viavisolutions.com © 2020 Viavi Solutions Inc. Table of Contents...
  • Page 31 To activate the newly created Forward Sweep plan, find and select the name used during the plan setup then press the “Activate Forward Plan” button The active sweep plan and current status is also shown at the bottom of the display under “Forward Plan” www.viavisolutions.com © 2020 Viavi Solutions Inc. Table of Contents...
  • Page 32 Use ONX to Build Forward Sweep Channels • Using an ONX-CATV detected channel line up and levels www.viavisolutions.com www.viavisolutions.com © 2020 Viavi Solutions Inc. Table of Contents...
  • Page 33 Using an ONX to build the active channel plan • To build a channel plan that can be imported into the SCU-1800 the ONX must first find all the channels so they can be saved and exported • Below are the steps necessary to operate the ONX in order to get the channel plan: •...
  • Page 34 Create a new Work Order ID Should be descriptive as you will need to find and copy that file later • Press the Start button to beginning testing the live channel lineup www.viavisolutions.com © 2020 Viavi Solutions Inc. Table of Contents...
  • Page 35 Saving the Channel plan on ONX-CATV • Once the test has reached 100%, • Press the Stop button then the Back button www.viavisolutions.com © 2020 Viavi Solutions Inc. Table of Contents...
  • Page 36 When at the Work Order ID and Test Location display press the “Save Channel • Plan” button at the bottom • Now the channel plan has been saved to the ONX-CATV in a folder www.viavisolutions.com © 2020 Viavi Solutions Inc. Table of Contents...
  • Page 37 Insert USB Thumb Drive and Enter File Browser • Now insert a USB thumb drive into either of the ONX-CATV’s USB ports Find and Enter the “File Browser” mode • www.viavisolutions.com © 2020 Viavi Solutions Inc. Table of Contents...
  • Page 38 Find the Channel Plan, labeled the same as the prior Work Order ID • Open the File Options and Copy the file to USB • The channel plan is now successfully exported onto the USB drive www.viavisolutions.com © 2020 Viavi Solutions Inc. Table of Contents...
  • Page 39 On a computer with a USB drive, using a web browser navigate to the IP address on the front of the SCU-1800 that will be configured • When prompted, enter the SCU-1800 user name and password Default Username is “scuadmin” and the default password is “scuadmin” www.viavisolutions.com ©...
  • Page 40 Creating a Downstream Sweep Plan Once in the SCU-1800 press the “Forward Sweep” button at the top • This will show all the previously configured forward sweep plans and allow the user to create or edit forward sweep plans •...
  • Page 41 Take the USB drive out of the ONX and put it into the computer Press the “Choose File” button • • Navigate to the location of the ONX created Channel Plan and select the file Press the “Import Channel Plan” button • www.viavisolutions.com © 2020 Viavi Solutions Inc. Table of Contents...
  • Page 42 If not enabled, an unreferenced test will appear to have very large loss / attenuation when viewed in the Referenced tab on the ONX • Additional active carriers can be added to the channel plan if needed www.viavisolutions.com © 2020 Viavi Solutions Inc. Table of Contents...
  • Page 43 Additional sweep points can be added to the sweep plan when vacant spectrum is desired to be used while performing sweep tests Either as a contiguous range of sweep points OR as individual sweep points • Press the Back button when complete to save the plan www.viavisolutions.com © 2020 Viavi Solutions Inc. Table of Contents...
  • Page 44 “Activate Forward Plan” button – currently active plan will have a check under “Active” The active sweep plan and current status is also shown at the bottom of the display under “Forward Plan” www.viavisolutions.com © 2020 Viavi Solutions Inc. Table of Contents...
  • Page 45 Creating a Reverse Sweep Plan www.viavisolutions.com www.viavisolutions.com © 2020 Viavi Solutions Inc. Table of Contents...
  • Page 46 Press the New button from the Reverse Sweep Plan menu A “New Reverse Sweep Plan” will appear • • Create a new name for the reverse sweep plan and press OK www.viavisolutions.com © 2020 Viavi Solutions Inc. Table of Contents...
  • Page 47 300 total reverse sweep points Press the Back button when done and the SCU will save the plan www.viavisolutions.com © 2020 Viavi Solutions Inc. Table of Contents...
  • Page 48 Activating a Sweep Plan www.viavisolutions.com www.viavisolutions.com © 2020 Viavi Solutions Inc. Table of Contents...
  • Page 49 Find the desired sweep plan, highlight it by selecting it, then press the “Activate Forward Plan” • • When successful the forward sweep plan will have a Check Mark next to it www.viavisolutions.com © 2020 Viavi Solutions Inc. Table of Contents...
  • Page 50 Under the “Single User Reverse Sweep” or “Multi-User Reverse Sweep” menu: Find the desired sweep plan, select it, then press the “Activate Reverse Plan” • • When successful the desired reverse sweep plan will have a Check Mark next to it www.viavisolutions.com © 2020 Viavi Solutions Inc. Table of Contents...
  • Page 51 Activating and Deactivating Sweep • Once both desired sweep plans are selected, they will be shown at the bottom of the display “Start Sweep” button to activate the sweep functionality of the SCU-1800 • Press the GREEN “Stop Sweep” and the SCU will halt transmitting and •...
  • Page 52 www.viavisolutions.com Table of Contents...