Northern Telecom DMS-100 Series Maintenance Manual page 182

5-12 DPP man-machine interface
Table 5-2
Description of ERRMAP entries
ERRMAP entry, type, level (notes)
D_RAM ERROR, Major, 1
SIO-2 FAILURE, Major, 1
1 MMI LINK DOWN, Minor, 0
297-1001-537 Standard 01.02 December 1993
(continued)
Comments (notes)
Reset:
Notes:
Cause: parity error of D-RAM
Test:
Reset:
Notes:
Cause: SIO-1 of terminal line 1 or polling link (if
Test:
Reset:
Notes:
Cause: loss of comm on one of the MMI Links
Test:
Reset:
Notes:
(continued)
no automatic reset, alarm cleared by
input of RSERR command.
receiving a block with an error block
format causes and alarm message:
B0 DSI TIME OUT
or,
B2 DSI TIME OUT
depending on which DSI PCA is active,
and there is an indication of EOT
status.
by DRAM PCA when parity error occurs
(detected) whenever reading a byte
from RAM.
no automatic reset, alarm cleared by
input of RSERR command.
alarm set and message printed only
once per occurrence
no 56K polling equipped) or download
link fail.
a. input of TEST command.
b. when doing a processor switch
no automatic reset, alarm cleared by
input of RSERR command.
a. alarm set and message printed only
once per occurrence unless the
alarm is reset by the RSERR
command and the error condition
still exists.
b. test done by firmware to check
availability of SIO chip.
to the DMS-100.
every audit period (settable; typically
every 3 minutes.)
no automatic reset, alarm cleared by
input of RSERR command.
None