5
Panel Descriptions
UTI3
1
2 Callouts
1
. Ground Start Terminal
- Connection for PBX ground. Used only when the ground start interface is selected.
2. Earth Ground Terminal
- Provides connection to the UTI3
1
2 Earth Ground. This terminal can be connected to the
GND STRT terminal when using the ground start interface if the UTI3
1
2 and the PBX share the same Earth Ground.
3. AUX Contact Terminals
- Provides connections for normally open and normally closed contact closures.The contact
closure can be programmed to activate during paging, night ring, tone, override, or any combination (refer to
System
Programming
).
4. Tone and Night Ring Terminals / Tone and Night Ring Level Controls
- Terminals provide connections to night
ring and tone trigger inputs. Tone Level control sets the level of all tones produced by the system except for the Night
Ring tone. Night Ring Level control sets level of Night Ring tone.
5. Program/Run Switch & LED
- Switch to set unit to Program mode.The LED will light when unit is in Program mode.
6. Limiter Threshold / Limiter Active LED
- Threshold control and indicator for output limiter function.
7. Music Level Control
- Music Level control sets the background music level for music sources A and B.
8
Music Input Jacks
- Stereo summing input for background music sources A and B.
9. Power Indicator
- Illuminates when AC power has been applied to the unit.
1
0. Override
- Highest priority input allows for loop start or page port with contact activation or open collector output.
11
. Trunk/Page Port
- Primary paging interface to telephone system when UTI3
1
2 is set to trunk or page port mode type
interface.
1
2. Interface Type Slide Switches
- Sets telephone interface type for the UTI3
1
2.
1
3. Station Port
- Primary paging interface to telephone switch when UTI3
1
2 is set to station mode type interface.
1
4. Night Ring
- Provides connection for 90V Night Ring.
ZX3 Callouts
1
5. ZX3 Module Zone Page Level Controls
- Level controls adjust the level of the page output for each zone. Each zone
has its own Level control.
1
6. ZX3 Module Zone Active LED
- The LED for each zone will light when the zone is active.
1
7. ZX3 Module Zone Page Terminals
- Provides audio signal for up to
1
50 self-amplified speakers.
1
8. ZX3 Module Zone Contact Terminals
- N.O./N.C. contacts change state when zone is active.
1
9. ZX3 Plug-In Module
- Provides
1
to 3 paging zones; add up to 3 additional ZX3 modules for up to
1
2 paging zones.
20. Module Bay
- Module bay accepts up to four ZX3 modules, for a total of
1
2 zones of paging. One pre-installed.
2
1
. Auxiliary 24V Terminals
- Provides connections to the UTI3
1
2
1
A, 24V DC power supply for powering self-amplified
speakers.
UTI3
1
2 Front Panel with ZX3 Installed
