D-Link DES-5200 manual Explanation of LED Error Status

Fast Ethernet Switching System User’s Guide

Table 15: Explanation of LED Error Status

Explanation of LED Error Status

Boot Program Flash Damaged	This error message indicates that the Boot
	Program section of Flash Memory is either
	corrupted or damaged.
	Signature/Checksum test of Boot Program
	has failed.
Run Time Program Flash	This error message indicates the Run Time
Damaged	Program section of Flash Memory is either
	corrupted or damaged.
	Signature/Checksum test of Run Time
	Program has failed.
CPU Memory Failure	This error message indicates the CPU
	Memory (total of 8MB DRAM) section of
	the System Memory has failed its
	read/write test.
Peripheral Controller Failure	This error message indicates the failure of
	the onboard 82C59 Interrupt Controller.
Com Port Test Failure	This error message indicates the SIO chip
	has failed its diagnostic test.
NPB Failure	This error message indicates general failure
	of NPB chip(s).
PSP Memory Failure	This error message indicates the port buffer
	(PSP Memory) has failed its on read/write
	test.
PSP Failure	This error message indicates general failure
	of PSP chip(s).
FEIU Failure	This error message indicates general failure
	of FEIU chip(s).
PHY Failure	This error message indicates general failure
	of PHY chip(s).
ARL Failure	This error message indicates general failure
	of ARL chip(s).
ARL Memory Failure	This error message indicates the MAC
	address table (ARL Memory) has failed its
	own read/write test.
Exception Handler	This error message indicates CPU
	exception occurs due to divide by zero,
	invalid opcode and other general
	protection. The content of all CPU registers
	will be dumped onto the console screen.

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