Dell PowerConnect 81 Series, Getting Started Manual

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Hardware Overview
9
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 Detailed Description Comment
System LED
• Solid blue - Normal
operation
• Blinking blue - Booting
• Solid red - Critical
system error
• Blinking red - Non-
critical system error (fan
fail, power supply fail)
On front panel
Temp LED
• Off - Normal
temperature
• Solid amber - Overtemp
a
On back panel
Diag LED
• Off - Normal operating
• Blinking green -
Diagnostic test running
On back panel