Rockwell Automation 1786-series ControlNet Fiber Media Planning and Installation Guide - Manual (Page 74)

74 Rockwell Automation Publication CNET-IN001C-EN-P - October 2011
Appendix B Status Indicators
Table 10 - Power-up and Fault Conditions
Indicator Status Description
Repeater adapter Alternating red/green Repeater adapter module is being
powered up or reset. Do nothing.
The repeater adapter module is
operating properly.
Solid red A jabber condition has occurred.
Another node or repeater on the
network is transmitting constantly.
Check the network and components
for proper operation.
Off Repeater adapter module is not
powered up or has failed. Check the
power input to the repeater adapter
module for correct voltage and
polarity.
Table 11 - Repeater Adapter Module Status Indicator
Indicator Status Description
Repeater adapter Solid green Error-free data is being recovered
at the coax port of the repeater
adapter module. Do nothing. This is
the normal operating mode.
Flashing green/off Data with errors is occasionally
being recovered at the coax port of
the repeater adapter module.
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.
Flashing red/off Either no data is being received at
the coax port of the repeater
adapter module, or data with a
large number of errors is being
received at the coax port of the
repeater adapter module.
Check the following components:
• Broken cables
• Broken taps
• Missing segment terminators