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CHAPTER 5
ND-45383 (E)
Page 122
Revision CD 1.0
2.3 System Messages
“13-N”: Digital Line Warning
(1) Meaning
The system message “13-N” indicates that such a fault as a frame loss, multi-frame loss, signal link down de-
tected, etc. has occurred during data transfer from the NEAX2400 IMS to the DRU.
(2) Related System Messages
If this fault has occurred more than 16 times consecutively within a one-hour period, the system message “13-
O” is printed out.
If the fault of the digital line is restored to normal, the system message “13-P” is printed out.
(3) Example of Printout
SYSTEM MESSAGE 13-N [SUP] DIGITAL LINE WARNING
NEC TOKYO MAY 14 10:30
LP00-0-ACT
1: 0701 0000 0000 0000 2: 0000 0000 0000 0000 3: 0000 0000 0000 0000