Miscellaneous Service Unit (Misu) - STARPLUS Triad 1 Product Description Manual

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Chapter 11 - Triad 3 System Configuration

Miscellaneous Service Unit (MISU)

The MISU board provides the interface to support miscellaneous items.
The MISU also provides:
Two channels of Background Music/Music On-Hold
Two External Page Ports
Two DTMF Receiver circuits
Six independent relays
Card ejector tabs are color coded violet
One card can be installed per system
PFTU Connector (optional PFTU unit)
Figure 11-4: MISU (Miscellaneous Service Unit Board)
Common Control Cards