Digital Equipment DEC 3000 Series Service Information page 260

LED Codes,
NI LED Codes
ISDN LED
Codes
C–8
Continued
The following LED codes represent NI diagnostic tests. If an error
occurs during one of these tests, the screen displays an FRU code
and error code.
All values are in hexadecimal.
LED Code
50
51
52
53
54
55
56
57
58
59
5A
5F
The following LED codes represent ISDN diagnostic tests. If an
error occurs during one of these tests, the screen displays an FRU
code and error code.
All values are in hexadecimal.
LED Code
70
71
72
73
74
75
76
77
78
79
Description
Network address ROM test
Test LANCE registers
LANCE initialization test
LANCE internal loopback and DMA test
Interrupt test
LANCE CRC generation and detection test
Test LANCE MISS and BUFF errors test
Test LANCE collision detection test
LANCE address filtering test
LANCE external loopback test
LANCE transmit BUFF error test
All tests passed
Description
Register test
Tone test
Digital loop test
Analog loop test
Interrupt test
DMA test
Logo test
Record utility test
Repeat test
Playback test
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