Rockwell Automation 1786-series ControlNet Fiber Media Planning and Installation Guide - Manual (Page 75)

Rockwell Automation Publication CNET-IN001C-EN-P - October 2011 75
Status Indicators Appendix B
Table 12 - Repeater Modules Status Indicator
Indicator Status Description
Repeater module Solid green Error-free data is being recovered
at all of the attached repeater
modules. Do nothing. This is the
normal operating mode.
Flashing green/off Data with errors is occasionally
being recovered at some or all of
the repeater modules.
This situation normally corrects
itself. If the situation persists,
check the following:
• All BNC connector pins are
seated properly.
• All taps are Rockwell
Automation taps.
• All terminators are 75
Ω
and are
installed at both ends of all
segments.
• Coax cable has not been
grounded.
• Fiber-optic connectors are of the
correct type and are correctly
attached to the fiber-optic cable.
• Fiber-optic cable is the correct
type.
Flashing red/off Either no data is being received at
any of the repeater modules, or the
received data at some or all of the
repeater modules has a high
number of errors.
Check the following components:
• Broken cables
• Broken taps
• Missing segment terminators