Northern Telecom DMS-100 Series Maintenance Manual page 184

5-14 DPP man-machine interface
Table 5-2
Description of ERRMAP entries
ERRMAP entry, type, level (notes)
PROC STAT ALARM, Major, 2
PROG CKSUM ALM, Major, 3
DSI DATA OVRFLO, Critical, 0
EXCESS INV RECS, Major, 0
297-1001-537 Standard 01.02 December 1993
(continued)
Comments (notes)
Cause: a. CTC (Counter Timer Chip) counter
Test:
Reset:
Notes:
Cause: static RAM software checksum error.
Test:
Reset:
Notes:
Cause: input data buffer overflow when disk
Test:
Reset:
Notes:
Cause: receipt of the number of invalid blocks
Test:
(continued)
error.
b. bad error control I/O status byte
(ERIOST), status bit 1 is set.
when performing processor switch.
no automatic reset, alarm cleared by
input of RSERR command.
a. this alarm can also be set by a
RAM CHECK ERROR.
b. if alarm is set by 1 of the ERIOST,
no message is printed.
a. checksum test is continuously
performed by a scheduled call; one
cycle runs about 6 minutes.
b. one-time test after booting down
program from disk to RAM.
no automatic reset, alarm cleared by
input of RSERR command.
None
storage process is overloaded.
buffer check on input block ready for
processing. Error is detected when no
buffers are available.
RSERR input clears the alarm; the
alarm may be set again when another
DSI block is received.
alarm and message repeats for
subsequent data blocks if DSI buffer
over-flow condition does not clear.
greater than specified system invalid
block limit.
performed whenever a bad call record
block occurs. (There is no periodic
check.)