Telephone Operation; Single-Zone System; Multi-Zone System; Indicators - Mircom QX-5000 Series Installation And Operation Manual

Telephone Operation

Telephone Operation

Single-Zone System

1. When the telephone rings (the local buzzer sounds intermittently, and the green Incoming Call LED flashes)
press CONNECT to answer.
2. Press CONNECT again to hang up. (Note that the telephone zone will hang up automatically if all handsets on
the zone are placed back on the hook.)
3. Press LAMP TEST to test all indicators.

Multi-Zone System

1. When any telephone zone rings (the local buzzer sounds intermittently, and the green zone LED and Incoming
Call LED flash) press that zone's button once to answer. Once any one zone has been answered, calls from
any other zone will cause that zone's green LED and the Incoming Call LED at the master telephone to flash,
but the buzzer will not sound.
2. Press the answered zone's button once again to hang up. (Note that the telephone zone will hang up
automatically if all handsets on the zone are placed back on the hook.)
3. Press CLEAR ALL to disconnect all zones.
4. Press LAMP TEST to test all indicators.

Indicators

QMT-5300A or QMT-5302

Common Tel. Trouble LED
This LED will flash amber if there is any zone or other trouble in the firefighters' telephone system.
Master Tel. Trouble LED
This LED will flash amber if the master telephone handset is disconnected.
Incoming Call LED
This LED will flash green if any telephone zone has a handset off-hook and unanswered. It will illuminate steady
green if all telephone zones with off-hook handsets have been answered.
Buzzer
The buzzer will sound intermittently if one, and only one, telephone zone has a handset off-hook and unanswered.

QZT-5302

Telephone Zone Green LED
This LED will flash green if there is any handset off-hook on that zone, and the zone has not been answered by
pressing the zone's button. Once answered, the LED will be steady green.
Telephone Zone Amber LED
This LED will flash amber to indicate trouble on open-circuit zone faults (e.g. missing end-of-line resistor or wire
breaks) or short-circuit zone faults.
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