The UART interface can be programmed with the following options:
•
5, 6, 7, or 8 character bits
•
1, 1.5, or 2 stop bits
•
Parity option
•
Even/odd parity (if parity option is enabled)
•
Sticky parity (if parity option is enabled)
The defaults are 9600 baud rate, 8 data bits, No Parity, 1 Stop Bit, No Flow
Control.
System LEDs
The system contains light emitting diodes (LEDs) that provide indications
about the System, Temp, Diag, Fan, Stack, and Locator status of the
PowerConnect 81xx unit. Table 1 contains the status LED definitions:
Table 1. LED Definitions for System
Feature
System LED
Temp LED
Diag LED
Detailed Description
• Solid blue - Normal
operation
• Blinking blue - Booting
• Solid red - Critical
system error
• Blinking red - Non-
critical system error (fan
fail, power supply fail)
• Off - Normal
temperature
• Solid amber - Overtemp
• Off - Normal operating
• Blinking green -
Diagnostic test running
Comment
On front panel
On back panel
a
On back panel
Hardware Overview
9