DH+/RIO OPTICAL COMMUNICATION MODULES USERS MANUAL
Copyright © 2003 by Phoenix Digital Corporation, All Rights Reserved.
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CHAPTER 1
DESCRIPTION AND SPECIFICATION
1.1 INTRODUCTION
Phoenix Digital’s family of Rockwell Allen-Bradley Data Highway Plus and Remote I/O
(DH+/RIO) fiber optic modules provide the most advanced, comprehensive, state-of-the-art
fiber optic communication capabilities on the market today. Phoenix Digital’s DH+/RIO fiber
optic modules are available as standalone, panelmount modules with integral 120/220 VAC, 24
VDC, or 125 VDC power supplies (Optical Communication Modules... OCMs), 1771 plug-in
modules (Optical Communication Modules... OCMs), 1746 plug-in modules (Optical Link Cou-
plers... OLCs), and 1756 plug-in modules (Optical ControlLogix Modules... OCXs). These
fiber optic modules translate hardwire networks into an optical network medium, transparent to
the communication protocol and configurable for distribution by the user in ring, bus, star, tree,
or point-to-point network installations. Fiber optic network options include features not found
in even the most expensive communication network installations; on-line diagnostic monitoring
with high speed self healing communication recovery around points of failure (Fault Tolerant),
in-line signal strength monitoring with annunciation of impending communication failures (Fault
Predictive), interactive diagnostics to locate fault and impending fault conditions (accessible by
the user program), and wavelength selection for matching fiber media characteristics. Phoenix
Digital makes all of this possible through application of its patented self healing communication
switch and advanced optical measurement technologies.
The following table provides correspondence between Phoenix Digital fiber optic module Model
Numbers and Rockwell Allen-Bradley network compatibility. The user should check the Model
Number label located on the side of the fiber optic module cover to verify network interface
compatibility.
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