PH-PC45

Emergency Alarm Controller

PH-PC45

Emergency Alarm Controller

1.General Function

The PH-PC45 (EMA) circuit card detects various kinds of alarms which might occur in the system, and sends out information about the detected alarm to the circuits concerned. This circuit card can activate the system MJ/MN LEDs on the TOPU. Additionally, this card can control the active/stand-by status of the CPU in the case of dual configuration. For the 1 IMG system, this circuit card has the Music-On-Hold sending function, too.

 

I/O Local Bus

I/O Local Bus

 

CPR #0

 

DSP

CPR #1

DSP

 

CPU

GT

GT

CPU

 

 

EMA

 

MISC Bus # 0

MISC Bus # 1

IOC

 

 

 

 

 

 

MISC

 

Figure 2-46

Location of PH-PC45 (EMA) Card in the System

 

NDA-24296

CHAPTER 2

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Revision 1.0

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NEC 2400 ipx manual PH-PC45, Emergency Alarm Controller

2400 ipx specifications

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