"Grom" complex of loud - speaking communication


Purpose

omplex of loud - speaking communication consisting of loud - speaking set and FDS operator's control desk of communication (further in text - desk) is device of short-range carrier - current electric communication and is aimed for carrying out loud warning at FDS territory and also talks between FDS operator and customer in mode of half - duplex line of electroacoustical communication through protection enclosure of operator's room.

Complete set

1. Control desk and cable connecting with supply block 1
2. Supply source with main-operated cable 1
3. Extreme (peripheral) devices of communication
Customer's loud-speaker with bilt-in microphone of 6GDSh-5-40, MKE-3 type 1
Operator's loud-speaker 6GDSh type 1
External loud-speaker 10GR-38 1
4. Documentation on exploitation 1

Description and technical characteristics

Control desk presents a table-compact device, being connected with its inputs and channels to supply source and extreme (peripheral) devices of communication through their lines by means of assembly connectors. As controlling organ the control desk is equipped with 4 keyed panel of view and mode of communication and 3 volume regulators. The desk is supplied with bilt-in microphone. Electric power of the desk is provided from supply source included into delivery set. Supply source is switched into 220V, 50H socket by means of standard plug.

Main technical characteristics of control desk

Parameter
Unit of measurement
Norm
Note
Consumed power



in silence mode when "Alarm" signal is given
W
50
Maximum
Maximum output power of the channel



of loud warning at load resistance 8 Om
W
50

Of half-duplex communication
W
4

Maximum time of continious work of loud warning channel
min
1
Without overheat
Minimum time of pause between switching ons of loud warning channel
min
1
For cooling
Length of lines



of half-duplex channel
m
3
Not more than 5
of loud warning
m
10
Not more than 25
Overall dimensions



Of control desk
mm
20017070
L x W x H
Supply source
mm
17570110
L x W x H
Total weight (without extreme devices)
Kg
2.5