Table of Contents
Introduction..................................................................................................................2
Unpacking ....................................................................................................................2
Front & Rear Panel Connection Diagrams ................................................................3
Installation....................................................................................................................4
Power and Grounding ................................................................................................4
Auxiliary Power Receptacle........................................................................................4
Line-Matching Transformers ......................................................................................4
Adjustments/Modifications ....................................................................................4-5
Gain Adjustments (Internal)........................................................................................4
Phantom Power (Internal) ..........................................................................................4
Telco Page/MIC 2 (Internal)........................................................................................4
Supervisory Tone Defeat (Internal) ............................................................................4
Gain Adjustments (Rear Panel)..................................................................................5
External MIC for MIC 1/Console MIC (Rear Panel) ..................................................5
Time Tone (Rear Panel) ............................................................................................5
External Booster Amplifier (Rear Panel) ....................................................................5
Remote Emergency Telephone Paging (Rear Panel) ................................................5
Remote Emergency Microphone Paging (Rear Panel) ..............................................5
Associated Equipment ............................................................................................6-7
SBA225 Room Selector Panel ..................................................................................6
SBA225 Wiring ..........................................................................................................6
SCR25A Call-In Module ............................................................................................6
SCR25A Installation ..................................................................................................6
TWK351 Option..........................................................................................................7
Staff Station Equipment ................................................................................................7
Call-Origination Switches ..........................................................................................7
Appendix ......................................................................................................................7
General Wiring ..........................................................................................................7
Call Switches and Speakers ........................................................................................8
Voice Call-In Option ......................................................................................................8
Call/Privacy Option........................................................................................................8
Technical Specifications ..........................................................................................10
Limited Warranty ......................................................................................................10
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