Viavi SCU-1800 User manual
Updated Last: December 2020
SCU-1800
User Guide and
Overview
2© 2020 Viavi Solutions Inc.www.viavisolutions.com
Table of Contents
•SCU-1800 Introduction
•SCU-1800 Configuration Overview
•Configuring the Static IPAddress
•Logging into the SCU-1800
•Navigating the SCU Configuration Menus Page
•Sweep Settings
•General Settings
•Reverse Test Point Compensation
•Firmware
•Options
•Changing Username and Password
•About
•Overview of Forward and Reverse Sweep Menus
•Forward Sweep Menu Overview
•Forward Sweep Menu Buttons
•Reverse Sweep Menu Overview
•Reverse Sweep Menu Buttons
•Setup a Forward Sweep Plan
•Completely Manual Forward Sweep Setup
•Use ONX to Build Forward Sweep Channels
•Creating a Reverse Sweep Plan
•New Reverse Sweep Plan
•Activating a Sweep Plan
•Selecting a Forward Sweep Plan
•Selecting a Reverse Sweep Plan
•Activating and Deactivating Sweep
4© 2020 Viavi Solutions Inc.www.viavisolutions.com
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
•Recommended if using any active channels as
sweep points
•Backward compatible with DSAM-6300
•Optional to use all 16 reverse input ports
•Minimize additional RF combining
•SCU sweep points are spurious free with a
narrow bandwidth
•Provides -50dBc adjacent channel specs
Table of Contents
5© 2020 Viavi Solutions Inc.www.viavisolutions.com
SCU 1800 Headend RF Connection Diagram
Optical
Transmitters
Optical
Transmitters
Optical
Transmitters
Optical
Receivers
Optical
Receivers
Optical
Receivers
SCU 1800
RF Out
RF Inputs
Note: that the forward carriers are not fed back into the SCU1800
Nodes
Forward Combiners and splitters
Table of Contents
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