User's Manual

NDA-24300 CHAPTER 7
Page 509
Issue 1
ROUTINE MAINTENANCE PROCEDURE
2.11 System Check
Check the OPE lamps (green) on all circuit cards.
Check whether a system message pertaining to the CPU/TSW has been output.
Check speech conditions by establishing a station-to-station connection at each PIM.
If the condition is abnormal, determine the nature of the problem (dial tone cannot be heard,
no speech can be established, etc.)
Does the condition occur in No. 0 TSW or in No. 1 TSW?
Does the condition occur in No. 0 CPU or in No. 1 CPU?
Using MEM_HDD command, check the data memory.
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