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Operating Modes
15
Operating Modes
The Ethernet Interface has a self test and internally controlled modes.
These are:
Power on Self-Test
The power on self-test performs diagnostic tests on the Ethernet Interface
processor, RAM, ROM, EEPROM, parallel ports, and network interface.
The STAT, ERR, and NET LEDs indicate which test is currently in
progress.
Table 1. LED Pattern Indications
STAT ERR NET Mode
ON OFF ON RAM Test
ON OFF OFF ROM Test
ON ON OFF EEPROM Test
OFF ON ON Network Interface Test
OFF OFF ON PRN1 Test
FLASH OFF FLASH Run Mode
FLASH ON FLASH Auto Reset Mode
FLASH FLASH OFF Firmware Panic
ON FLASH ON Hardware Exception