82
TNC-5000 Telephone Network Controller Module
9.11.2
Deselect All
Pressing this pushbutton will disconnect all master telephone calls initiated at this node (Call
Control minus).
9.12
QAZT-5348DS Network Telephone Selector Panel LEDs
9.12.1
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.
9.12.2
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.
9.13
QAZT-5348DS Network Telephone Selector Panel Pushbuttons
9.13.1
Telephone Selection Pushbutton
Pressing the telephone selector pushbutton will select the associated telephone to be
connected to the Master Telephone. Pressing this button a second time will hang up.
9.14
Audio Amplifier Wiring
There are two 100 Watt amplifiers available, a 70V version and a 25V version.
9.15
Amplifier Mounting Installation
Install amplifiers as shown in Figure 64 below.
Amplifier
Description
QAD-6425-70
One 100 watt supervised speaker circuit, 70V or
One 75 watt and one 25 watt supervised speaker circuits, 70V or
Two 50 watt individually supervised speaker circuits, 70V or
One 50 watt and two 25 watt individually supervised speaker circuits, 70V or
Four 25 watt individually supervised speaker circuits, 70V
QAD-6425-25
One 100 watt supervised speaker circuit, 25V or
One 75 watt and one 25 watt supervised speaker circuits, 25V or
Two 50 watt individually supervised speaker circuits, 25V or
One 50 watt and two 25 watt individually supervised speaker circuits, 25V or
Four 25 watt individually supervised speaker circuits, 25V
Summary of Contents for FX-MNS-6000
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