Avaya 03-300430 User Manual

Note:

Replacing the IPSI or Tone-Clock circuit pack requires a special procedure which 
is described in 

on page 2327. That section also 

describes the LED display for this board.

The tone generator resides on the IPSI or Tone-Clock circuit pack and provides all system tones 
such as dial tone, busy tone, and so on. If an active tone generator fails, its port network may 
not have tones (see the 

on page 2357. For instance, a 

user may go off-hook and hear no dial tone. This problem will affect only users on the same port 
network where the faulty IPSI or Tone-Clock circuit pack resides. The system will be able to 
process certain type of calls (that is, internal calls will succeed while outgoing calls will not).
The IPSI or Tone-Clock circuit pack also provides the clocks for the system and can serve as 
the synchronization reference. Therefore, when resolving alarms, use the 

on page 2143, and 

See 

on page 2327 for a discussion of the relationship of 

Tone-Clock circuit packs with the various reliability options.

 

TONE-PT

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Tone Generator

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test tone-clock location sh

Tone Generator

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Tone Generator

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