Guardian Telecom Inc.
Installation & Operation
TBA Models
Page 2
Contents
Identification of equipment ..................................................................4
TBA Model Numbering ..............................................................4
TBA Front Panel ........................................................................5
TBA Rear Panel.........................................................................5
TBA Enclosure Inside ................................................................6
System Overview ................................................................................7
Central Station ...........................................................................7
Monitored Station.......................................................................7
Stations #1, #2 and #3...............................................................7
PTT Actions ...............................................................................8
Alert or Go-Ahead Tone.............................................................8
Applications on Drilling Rigs ......................................................8
Applications on Shipboard .........................................................8
Application Restrictions.......................................................................8
Installation Instructions........................................................................9
TBA Enclosure...........................................................................9
AC Supply..................................................................................9
230 VAC operation .............................................................9
DC Supply Options .............................................................9
Push to Talk Switches .............................................................10
Microphone ..............................................................................10
Speaker ...................................................................................10
TBA Configurations except for TBA-33 .............................................11
TBA-33 Configuration........................................................................13
Installation Adjustments ....................................................................19
Initial Settings ..........................................................................19
Powering ON the TBA .............................................................20
Monitored Station Microphone Volume Adjustment.................20
Central Station Microphone Volume Adjustment .....................20
Ringer Volume Adjustment ......................................................20
Central Station Speaker Volume .............................................20
Station #1 Speaker Volume .....................................................20
Station #2 Speaker Volume .....................................................20
Station #3 Speaker Volume .....................................................20
Optional Hum Cancellation ......................................................20
Optional ringing from PTTs......................................................21
Replace the TBA enclosure top panel .....................................21
Locations of adjustments for the TBA ...............................................21
Audio transformer tap adjustments..........................................21
Product Specifications.......................................................................22