Guardian Telecom Inc.
Installation & Operation
TBA Models
3.2. TBA Front Panel
The TBA Front Panel of the enclosure has from two to five volume controls and a power indicator.
The power indicator shows the presence of AC power, and is a green illumination if AC is present.
The volume controls are labeled for the Station being controlled. Clockwise rotation gives more
volume, the volume controls have numbers from1 to 10 to assist in setting repeatability.
Figure 2 – TBA-41 Front Panel
3.3. TBA Rear Panel
The TBA Rear Panel of the enclosure has from two to five cable entries, an AC power connector,
an AC fuse and a Power ON/OFF switch.
The AC power connector is a standard connector for AC supplies. The AC fuse is a 1 amp slow
blow 250 volt fuse of 1.25” long and 0.25” diameter.
Buss fuse type MDL 1A is supplied with the TBA.
The POWER ON/OFF switch is a rocker switch; pushing the switch upwards turns on the TBA.
Figure 3 – TBA-41 Rear Panel
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