EST3 Installation and Service Manual 1.1
Chapter 1
System overview
Summary
This chapter provides a descriptive overview of the components
and subsystems that comprise a system.
Content
System description • 1.2
System features • 1.3
Minimum system requirements • 1.4
System construction • 1.4
Audio subsystem description • 1.6
Network audio riser wiring • 1.6
Amplifiers • 1.7
Backup amplifiers • 1.8
3-ASU Audio Source Unit • 1.9
Firefighter phone • 1.15
Digital network subsystem • 1.16
Network data riser wiring • 1.16
Class B network data risers • 1.16
Class A network data risers • 1.17
Download connections • 1.18
Downloading database files over the network • 1.19
Foreign language support • 1.22
Printer use with foreign languages • 1.22
Bilingual language support • 1.22
Display device language support • 1.23
Signature series devices • 1.26
Network applications • 1.29
Network layout • 1.29
Feature/function domain • 1.30
Audio applications • 1.33
Audio channels • 1.34
Manual audio zone selection • 1.38
Messages • 1.39
Firefighter phone system • 1.42
Five phone off-hook limit • 1.42
One phone per circuit • 1.42
Five phones per circuit • 1.43
Limited number of portable telephone handsets • 1.43
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