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Chapter 2
Introduction & Installation
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 field, the master 8380 RPC can be
controlled from any location with an Internet connection. The 8380 RPC includes a built-in web
based configuration 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.
8380 RPC User's Guide
May 2018
Document Num., Rev. 3
Page 9
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