NEC UNIVERGE SV8500 - B RGU & Howler Failure

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CHAPTER 3 System Messages
6-B: RGU & Howler Failure
This message displays when a fault in either the ringer or howler tone occurs in the PWR card.
Unit and MG number of fault
detection
Kind of fault
Default Alarm Default Grade Grade Modified Lamp Modified
MN 3
1: XXXX 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 b2 b1 b0
b7 b1 b0
1 2
b0, b1:Unit (0-3)
b2: 0/1 = Even-numbered MG/Odd-numbered MG
1
b0: 0/1 = -/RGU (Ringing Unit) Fault
b1: 0/1 = -/Howler Fault
2