SST-DN3-104-1 and SST-DN3-104-2
Hardware Reference Guide
Card Overview
19
Document Edition: 1.0, Document #: 715-0082, Template Edition: 1.1, Template #: QMS-06-045
Use, duplication or disclosure of this document or any of the information contained herein is subject to the restrictions on page ii of this document.
1.5.2 LEDs
There are three LEDs per channel: Power (PWR), Health (HLTH) and Communications
(COMM).
Note
For information on troubleshooting using LEDs, refer to Section 4.1,
1.5.2.1 PWR LED
The PWR LED is an indicator that represents whether or not power is applied to the
CAN connector. The PWR LED’s behavior is described in the following table:
Table 2: PWR LED Behavior
Color
Status
Green
CAN bus power present
Red
CAN bus power not present
Off
PC/104 power not present