Digital Equipment DEC 3000 Series Service Information page 272

ISDN Diagnostic Error Codes,
C–20
Error
Code Description
10 Data miscompare testing Main Audio Processor Mode
Register 1
12 Data miscompare testing Main Audio Processor Mode
Register 2
14 Data miscompare testing Data Link Controller Mode
Register 1
16 Data miscompare testing Data Link Controller Mode
Register 4
20 Data miscompare testing internal digital loopback
using MCR1
24 Data miscompare testing internal digital loopback
using MCR2
26 Data miscompare testing internal digital loopback
using MCR3
28 Data miscompare testing internal analog loopback
30 Interrupt test data miscompare
32 Interrupt test time out
34 Invalid 79C30A interrupt
36 Interrupt not generated
38 All interrupts not received
40 DMA test time out
42 DMA test unexpected interrupts
44 DMA test data miscompare
Continued