Black Box LE3700A-R2 manual LED State Meaning

Table C-1. LED Patterns.

LED State

Meaning

• - - - (1/2 second)

First test. “Hello” message. Indicates that code is running

- • - - (1/2 second)

and that the LEDs themselves are functional.

- - • - (1/2 second)

- - - • (1/2 second)

• • • • (Continuous)

The EPS detected an error accessing the gate array.

- - - -

Performing checksum tests on ROM.

- - - •

Testing RAM bank 0 (0s, 1s, and addresses).

- - • -

- - • •

Testing RAM bank 1 (0s, 1s, and addresses).

- • - -

- • - •

Testing for shorts or opens on low order address lines.

- • • -

Testing address mapping for errors on high address lines.

- • • •

Starting UART internal loopback tests.

• - - -

• - - •

Starting Ethernet controller internal loopback tests.

• - • -

• - • •

• • - -

Starting parallel loopback test.

• • - •

Checking NVR checksum.