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CHAPTER 3 System Messages
23-Z: Both MUX Clock Failure
This message displays when the MUX card has a clock failure in both of the dual systems.
MUX card location
Scan Data 1
Scan Data 2
Reference: See Chapter 5 MUX Replacement: 1-IMG or MUX Replacement: 4-IMGfor the circuit card
replacement procedure.
Default Alarm Default Grade Grade Modified Lamp Modified
MN 3
1: XXXX XX00 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 b2 b1 b0
b7 b3 b2 b1 b0
b7 b3 b2 b1 b0
1
2
3
b0-b1: Unit number
b2: MG number
1
Scan Data 1:Details on clock alarm information (ACT mode)
b1: 0/1 = -/FH failure for 2M PCM Highway
b2: 0/1 = -/CLK failure for 2M PCM Highway
b3: 0/1 = -/4M CLK failure for PM
2
Scan Data 2:Details on clock alarm information (STBY mode)
b1: 0/1 = -/FH failure for 2M PCM Highway
b2: 0/1 = -/CLK failure for 2M PCM Highway
b3: 0/1 = -/4M CLK failure for PM
3