NEC ND-71762(E) Telephone User Manual


 
CHAPTER 8 ND-71762 (E)
Page 96
Issue 2
MAINTENANCE PROCEDURE
“13-D”: CCH Lock Up Failure (Permanent)
(1) Meaning
The system message “13-D” indicates that a PM (Port Microprocessor) of CCH/CCT card did not send CPU
card an answer and this has occurred more than 15 times within an hour. When this fault has occurred, the
specific PM is placed into make-busy state and restarted.
Note: The CPU transmits the Routine (cyclic) diagnostic command to all the PM’s at a predetermined cycle. Each
PM upon receiving the Routine (cyclic) diagnostic command from the CPU, returns an answer to the CPU
within a predetermined timing. The CPU checks the normality of the PM upon receiving an answer.
(2) Related System Message
When the PM Lock Up Failure occurs less than 16 times within an hour, the Phase 1 restart or Phase 3 restart
is executed at the specific PM and the system message “13-E” is output.
(3) Example of Printout
(4) Message Detail Data
(a) Accommodated location of the CCH detected fault.
(Refer to paragraph 2.2.1)
SYSTEM MESSAGE 13-D [SUP] CCH LOCK UP FAILURE (PERMANENT)
NEC TOKYO MAY 14 10:30
LP00-0-ACT
1:
XX
00 0000 0000 0000 2: 0000 0000 0000 0000 3: 0000 0000 0000 0000
4: 0000 0000 0000 0000 5: 0000 0000 0000 0000 6: 0000 0000 0000 0000
7: 0000 0000 0000 0000 8: 0000 0000 0000 0000 9: 0000 0000 0000 0000
(a)
MG U G
MG:
U:
G:
Module Group
Unit
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