Avaya Bogen Universal Paging Access Module 설치 설명서

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3.
Connection to the Paging System
General Guidelines
The UPAM is designed to connect to typical central-amplified and self-amplified
paging and sound systems. Central-amplified systems generally use one amplifier to
distribute the page audio to large numbers of speakers. Self-amplified systems
generally rely on small amplifiers, built-in on each speaker or horn. Since the types
of connectors used on this equipment varies, and is not standard between
manufacturers, you should be familiar with the basic features of these systems so
that you can connect the UPAM to the correct input. 
Installation consists of connecting the PR and PT terminals on the UPAM to the
proper paging system input terminals. In a central-amplified system, the amplifier's
600-ohm/Lo-Z input provides the ideal connection; however connection can be
made to Hi-Z or microphone inputs, when the transformer (Model LUWMT1A)
included with the UPAM is used. In self-amplified systems, connection can be
made to the individual amplifiers. 
The illustrations in this section provide basic hookup information to typical
equipment. Procedures may vary.
NOTE:
Be certain that all paging equipment is powered down or unplugged before making
any connections.
Typical Installation: Connecting the UPAM to an Amplifier's
Lo-Z/600-ohm Input
You can connect the UPAM directly to an amplifier's 600-ohm input. Some of the
procedures outlined may vary. Figure 7 shows a typical installation.