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CHAPTER 3 System Messages
4-C: Both TSW Ready Failure
This message displays when a Ready Failure occurs in both systems as a result of the TSW card having a failure
or the card is not mounted properly.
Unit and MG number of fault
detection
Reference: See Chapter 5 Speech Path System Fault - When Dial Tone (DT) Cannot Be Heard for the repair
procedure.
Default Alarm Default Grade Grade Modified Lamp Modified
MN 3
1: XX00 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
b7 b0
1
b0: 0/1 = TSW System 0/TSW System 1
Note:
When Ready Failure occurs in both systems, the [4-C]
message is separately issued twice: “0” displays in one
message, and “1” in the other message.
1
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