Viavi 8380 RPC User manual

8380 RPC
Return Path Combiner
User’s Guide

8380 RPC User’s Guide
Document Num., Rev. 3 May 2018Page 2
Notice
Every effort was made to ensure that the information in this manual was accurate at the time
of printing. However, information is subject to change without notice, and VIAVI reserves the
right to provide an addendum to this manual with information not available at the time that this
manual was created.
Copyright/Trademarks
© Copyright 2018 VIAVI Solutions Inc. All rights reserved. No part of this guide may be
reproduced or transmitted, electronically or otherwise, without written permission of the
publisher. VIAVI Solutions and the VIAVI logo are trademarks of VIAVI Solutions Inc. (“Viavi”).
All other trademarks and registered trademarks are the property of their respective owners.
Copyright release
Reproduction and distribution of this guide is authorized for US Government purposes only.
Ordering information
This guide is a product of VIAVI Technical Publications Department, issued as part of the
product. The catalog number for a published guide is Catalog Number - printed. The catalog
number for an electronic guide on USB is Catalog Number - electronic.
Terms and conditions
Specications, terms, and conditions are subject to change without notice. The provision
of hardware, services, and/or software are subject to VIAVI standard terms and conditions,
available at www.viavisolutions.com/en/terms-and-conditions.

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Table of Contents
Chapter 1
General Information ..................................................................................................................5
Ordering Information ..............................................................................................................5
Where to Get Technical Support ............................................................................................5
How this Manual is Organized ...............................................................................................6
Conventions Used in this Manual...........................................................................................7
Precautions ............................................................................................................................7
Chapter 2
Introduction & Installation........................................................................................................9
What is the 8380 RPC?..........................................................................................................9
System Diagram...................................................................................................................10
8380 RPC Features .............................................................................................................11
Equipment Supplied with Your 8380 RPC............................................................................11
A Guided Tour of Your 8380 RPC ........................................................................................12
Front View.......................................................................................................................12
Rear View .......................................................................................................................13
Installing the 8380 RPC .......................................................................................................14
Installing the 8380 RPC .......................................................................................................15
Unit Installation ...............................................................................................................15
RS-485 Connections.......................................................................................................16
RS-485 Addressing.........................................................................................................17
Return Path Connections Between Master & Slave .......................................................19
Chapter 3
Setup.........................................................................................................................................21
Computer System Requirements.........................................................................................21
Software Installation.............................................................................................................21
8380 RPC Setup Software Overview...................................................................................28
Installing the USB Drivers ....................................................................................................29
Connecting & Disconnecting the 8380 RPC ........................................................................30
Network Settings (Master Units Only)..................................................................................31
System Settings ...................................................................................................................32
Upgrading Master Unit Firmware....................................................................................33
Upgrading Slave Unit Firmware......................................................................................34

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User Settings........................................................................................................................35
Adding a New User ...................................................................................................36
Removing a User.......................................................................................................36
User Name ................................................................................................................36
Password...................................................................................................................36
Privilege.....................................................................................................................36
Chapter 4
Web Access..............................................................................................................................37
Accessing the 8380 RPC with a Web Browser ....................................................................37
8380 RPC Homepage..........................................................................................................38
Administrator Options...........................................................................................................39
Device Settings...............................................................................................................40
Device and Port Names ............................................................................................41
Adding and Removing Devices .................................................................................41
Adding and Removing Ports......................................................................................42
System Settings..............................................................................................................43
System Date/Time.....................................................................................................44
Port Timeout (Hours) .................................................................................................44
User Settings.............................................................................................................45
Adding a New User ...................................................................................................46
Removing a User.......................................................................................................46
User Name ................................................................................................................46
Password...................................................................................................................46
Privilege.....................................................................................................................46
Select Ports..........................................................................................................................47
Active Port Count............................................................................................................48
Devices & Ports Table.....................................................................................................48
Master Ports..............................................................................................................48
Slave Devices............................................................................................................48
Slave Ports................................................................................................................49
Chapter 5
Appendix ..................................................................................................................................51
Specications.......................................................................................................................51
Limited Warranty ..................................................................................................................53

8380 RPC User’s Guide
Document Num., Rev. 3May 2018 Page 5
General Information
Chapter 1
Ordering Information
Where to Get Technical Support
Phone US: +1-844-GO-VIAVI or [phone]
Outside US: [phone]
Email: T[email protected]
Website: https://support.viavisolutions.com/welcome
For additional information about our products and services, contact your local Viavi
representative or visit https://www.viavisolutions.com/en-us/how-buy.

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Document Num., Rev. 3 May 2018Page 6
How this Manual is Organized
This manual is divided into the following chapters:
• Chapter 1, “General Information” provides contact information and describes how this
operation manual is structured.
• Chapter 2, “Introduction and Installation” introduces what the 8380 RPC is and what it
does. This chapter discusses the practical application, connections, and controls of the
8380 RPC.
• Chapter 3, “Setup” describes the steps needed to perform initial conguration of the
8380 RPC.
• Chapter 4, “Web Access” shows how to access the 8380 RPC through a web browser.
• Chapter 5, “Appendix” shows the technical specications of the 8380 RPC.

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Conventions Used in this Manual
This manual has several standardized conventions for presenting information:
• Connections, menus, menu options, and user-entered text and commands appear in
bold.
• Section names, web, and e-mail addresses appear in italics.
Precautions
A CAUTION alerts you to any condition that could cause a
mechanical failure or potential loss of data.
The 8380 RPC may not operate correctly in the presence of a
strong electromagnetic eld.
A NOTE is information that will be of assistance to you related
to the current step or procedure.
A WARNING alerts you to any condition that could cause
personal injury.
Do not use the 8380 RPC in any manner not recommended by
the manufacturer

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What is the 8380 RPC?
The 8380 RPC™ Return Path Combiner is a 16 x 1 non-blocking RF matrix switch designed
for use with the VIAVI 8310 RSA™ in the return path of CATV systems. The 8380 RPC has 16
input ports that can be combined into a single output.
There are two versions of the 8380 RPC available, a master and a slave. The master 8380
RPC is used to control each slave using an RS-485 connection. The output from each slave
8380 RPC connects to a corresponding input on the master unit. Slave 8380 RPCs have the
ability to be upgraded to a master unit.
A complete 8380 RPC system consists of a master and 16 slaves allowing for 256 inputs to be
combined into a single output. The output of the master may be used for a variety of tests.
Whether you are a technician in the headend or the eld, the master 8380 RPC can be
controlled from any location with an Internet connection. The 8380 RPC includes a built-in web
based conguration that is compatible with any web browser including those on mobile devices
and the DSP family of devices.
This versatility allows the technician to connect many ports, but only sweep on the ports they
are currently testing, while the other ports remain on stand-by.
Introduction & Installation
Chapter 2

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System Diagram
The following diagram shows the typical deployment of an 8380 RPC system.
8310 RSA
Internet
Forward
Telemetry
1G DSP
Combined
Output
Output
Laptop/Desktop
Computer
Cell Phone, PDA,
or iPad Input
Ethernet
Ethernet
Light (fiber)
Splitter
Splitter
CMTS
VoIP
RPC Switch
Master
RS-485
Cable
RF
Test Point 1G DSP
Continue
Split

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8380 RPC Features
The 8380 RPC includes the following features:
• 16 x 1 Non-Blocking RF Matrix Switch
• 16 Ports per Switch
• 17 8380 RPC Units (1 Master, 16 Slaves) Conguration for 256 Ports Max
• ViewPoint Master Control of All RPC Switches
Equipment Supplied with Your 8380 RPC
The 8380 RPC comes with the following:
• 8380 RPC Return Path Combiner
• AC to DC Power Adapter
• USB Cable (Type B to Type A) for Initial Conguration and for downloading rmware
upgrades, included with Master unit only
• RS-485 Cable with RJ-11 connectors
• Conguration Software and Operation manual on CD

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A Guided Tour of Your 8380 RPC
Front View
3
1
1
2
2
4
4
1. Power – This LED will illuminate when power is supplied to the unit.
2. Status – This LED will illuminate when the unit is ready for operation. This LED will
blink if there is an RS-485 connection error.
3. Label –This label when present indicates the device is a Master unit.
4. Input Active – These LEDs will illuminate when the individual return path inputs are
activated.
MASTER UNIT
SLAVE UNIT

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15
15
2
2
3
3
4
4
5 6
6
7
7
Rear View
1. Combined Output – This is the combined output of the 16 return path inputs.
2. Return Path Input (1 through 16) – These are inputs 1 through 16 of individual
return path ports that the 8380 RPC combines into a single output.
3. USB Port – This is a USB Type B connector that is used for initial conguration of
Master units and to perform rmware upgrades. Upon removing the USB cable from
the 8380 RPC, the power to the device should be cycled.
4. RS-485 Control Ports – These are RJ-11 Master/Slave control ports for use when
connecting master units to slave units.
5. Ethernet Port – This port is only available on Master units and is used to directly
control the 8380 RPC system via a network connection. Initial conguration using the
RPC Setup Software must be completed prior to connecting to the Master unit via
a network connection. The ethernet connection to the Master unit should be made
prior to powering the unit.
6. RS-485 Address DIP Switch – This DIP switch is used to set the RS-485 control
address of the 8380 RPC. This is also used to enable the RS-485 termination on the
rst and last 8380 RPC in the RS-485 communications chain. It is recommended
that all RS-485 connections be made prior to powering the corresponding units.
7. Power Input – Connect the included AC to DC Power Adapter to this port.
1
1
MASTER UNIT
SLAVE UNIT

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Installing the 8380 RPC
The following section explains the procedure used to physically install the 8380 RPC. In order
to properly setup the 8380 RPC the following steps must be completed in this order. Do not
skip any steps.
DO NOT plug in the power cord of the 8380 RPC until
instructed below.
If the Power LED is not illuminated upon connecting power to
the 8380 RPC, contact 1-844-GO-VIAVI for assistance.
Upon reboot (regardless of source/cause), the master 8380
RPC will load the last saved device settings, system settings,
user settings, and network conguration as well as deactivate
all ports present in the 8380 RPC system.
1. Mount the 8380 RPC in a standard rack using four retaining screws.
2. Connect an ethernet cable to the master unit.
3. Connect the RS-485 cables and set the addresses and terminations of the master and
slave units accordingly.
4. Plug the AC to DC Power Adapter of the 8380 RPC into the Power Input and then into
an AC power source. When power is supplied to the 8380 RPC, the Power LED on the
front panel of the unit will illuminate.
5. When the unit is ready for operation, the Status LED on the front panel of the unit will
illuminate.

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Installing the 8380 RPC
The following section explains the procedure used to physically connect multiple 8380 RPC
units using the RS-485 Control Port. In order to properly setup the 8380 RPC the following
steps must be completed in this order. Do not skip any steps.
Unit Installation
When installing a Master unit
with several Slave units, the
Master unit should always be
placed in the middle of the
“stack”. Then, Slave units 01
through 08 should be placed
above the Master unit and
Slave Units 09 through 16
should be placed below the
Master unit.
This method of installation is
used to reduce the required
cable length between Master
and Slave units while keeping
the connections from having to
cross each other.
All units should use the same
length cable. The cable length
is determined by the longest
length needed as measured
from the COM port of the Slave
unit furthest from the Master
unit to the corresponding input
of the Master unit. Once the
cable length is determined,
ALL cables connecting the
Master unit to the Slave units
should be the same length.

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RS-485 Connections
Connect the RS-485 Control Port from the Master unit to the RS-485 Control Port of the
Slave unit. Continue connecting the RS-485 Control Port of each Slave unit to the RS-
485 Control Port of the next Slave unit until all Slave units have been connected. See the
following diagram for an example of the typical RG-59 & RS-485 connections.
15
15
15
15
15

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RS-485 Addressing
The RS-485 Address DIP Switch is used to set the RS-485 address of each 8380 RPG.
The address is determined by adding the two values shown below each switch that is set to
ON. See the following table for an example of each switch setting.
The RS-485 address of the Master is automatically set to 16, and the termination for the
last slave at each end of the RS-485 chain must be set to ON.
See next page for a Table of Dip Switch Addresses and Settings.
The device number is equal to the RS-485 address plus one.

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DEVICE ADDRESS DIP SWITCH DEVICE ADDRESS DIP SWITCH
Master
Not Used
Leave Set
to Zero (0)
Slave 09 8
Slave 01 0 Slave 10 9
Slave 02 1Slave 1110
Slave 03 2Slave 1211
Slave 04 3Slave 1312
Slave 05 4Slave 14 13
Slave 06 5Slave 15 14
Slave 07 6Slave 16 15
Slave 08 7
Last Slave
Unit at Each
End of RS-485
Control Chain
T

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Return Path Connections Between Master & Slave
This section explains the procedure used to physically connect multiple 8380 RPC units
using the return path inputs. The Combined Output (COM) port of each slave must be
connected to the correct Return Path Input of the master unit. The table below shows
which slave unit must be connected to each of the return path inputs of the master unit.
MASTER RETURN
PATH INPUT
SLAVE NUMBER MASTER RETURN
PATH INPUT
SLAVE NUMBER
1 1 9 9
2 2 10 10
3 3 11 11
4 4 12 12
5 5 13 13
6 6 14 14
7 7 15 15
8 8 16 16

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