Specifications

25
TM
Diagrams are for reference only.
Consult the appropriate installation sheet for wiring details.
CONTROL PANELS
EST3 NETWORK AUDIOEST3 NETWORK AUDIO
EST3 NETWORK AUDIOEST3 NETWORK AUDIO
EST3 NETWORK AUDIO
The Audio Source Unit (3-ASU/3-ASUFT)
converts analog signals to digital signals.
These units support connection of a local
microphone, remote microphone,
telephone voice line, and auxiliary audio
input.
Dashed Wires Required
for Class 'A' Wiring Only
Typical Fire Fighter's Telephone Circuit
Telephone Riser
Twisted Shielded Pair
Twisted Shielded Pair
if run with other wiring
Connect Shield to
Earth Ground only
at the panel. Maintain
shield continuity.
To Signature
Data Circuit
To Signature
Data Circuit
To Phones
ULI/ULC Listed
47K ohm EOL Resistor
4
8
3
7
2
6
10
1
5
9
SIGA-CC1
4
8
3
7
2
6
10
1
5
9
SIGA-CC1
MAIN PROCESSOR MODULE
Audio Source Unit
12 435678910
COMMON SYSTEM RELAYS
11 112 214 413 315 516 617 718 819 920 10
Network Data Riser
From previous panel
3-CPU Module
To next panel
3-CPU Module
Network Audio Riser
Connect to TB1 on 3-CPU Module
Connect to TB2 on 3-CPU Module
3-CPU
3-ASU
or
3-ASUFT
EST3

H

H

H

H

H

T

T

U

U

U

U