Clear-Com ICS-22 - Manual (Page 23)

Vitec Group Communications
ICS-22 Speaker Panel Instruction Manual 4 - 3
TECHNICAL REFERENCE
Figure 4-1: ICS-22 Block Diagram
EQ/ LIM
Mic Select
Headset
Mic P
anel Mic
Talk
Sidetone
Null
Call
W
aiting Light
Ans
w
er
Bac
k
Intercom Volume
Red / Green
Speak
er
On/Off
Speak
er
Call Send &
Receiv
e
RMK
Microprocessor
Talk/ VO
X
Headset
Output Balanced Prog
ram
Input
Speak
er
Dip
Prog
ram
Mute
Mic Dip /
Mute
VO
X
Prog
ram
Le
vel
Matr
ix
Connector
Rectifier
16 V
A
C
Po
w
er
Matr
ix
Interf
ace
Microprocessor
Talk/Listen
Select Switch
A B