Hardware reference guide

Networking
272
35013379 02 October 2007
LED Indicators
and Descriptions
The following figure shows the LED indicators for the RIO Head module.
The following table shows the LED descriptions for the RIO Head module.
CONNECTIVITY COMPLIANCE
To maintain CE compliance with the European Directive on EMC (89/336/EEC), the
RIO head module must be connected using quad shielded cable (see the Remote I/O
Cable System Planning and Installation Guide, 890USE10000, V2.0).
Failure to follow this instruction can result in injury or equipment damage.
CAUTION
LED Descriptions
LEDS Color Indication When On
Ready Green The module has passed powerup diagnostics.
Com Act Green The module is communicating on the RIO network.
Error A Red There is a loss of communication on Channel A with one or more
of the drops.
Error B Red There is a loss of communication on Channel B with one or more
of the drops (dual cable only).
Ready
Error B
Com Act
Error A
This document provided by Barr-Thorp Electric Co., Inc. 800-473-9123 www.barr-thorp.com