Talk Battery - Vodavi Starplus Triad 1/2/3 Installation Manual

Miscellaneous Interface Unit (MISU) Installation
This talk battery boosts the signal level sufficiently so that the CO Line
interface can read the signal.
The MISU consists of the following:
KSU
Figure 3-15: Talk Battery
Two external page ports are provided from the amphenol connector
on the front edge of the MISU. These ports are connected to
transformers, providing a 600 ohm impedance.
Music inputs are provided from the amphenol connector on the front
edge of the card.
6 independent relay contacts are provided through the amphenol
connector on the front edge of the MISU. These contacts are
controlled by software from entries in the system database. Control
signals are sent by the MPB. The output drives the relay coils,
controlling the state of the 1 amp, 24V relay contacts.
The signals to activate the externally provided power failure transfer
are provided on the MISU.
The MISU has 2 DTMF Receivers for system use. (SLT, DISA)
Talk
Battery
Music Source
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