Instruction manual

INSTALLATION
/
Clear-Com
CS-222
2-Channel
Main
Station
*
2.3
REAR
PANEL
DESCRIPTION
CIL
SS
CS-222
Rear
Panel
1.
Power
Swltch
The
AC
"Power
Switch"
is
located
on
the
top
left
corner
of
the
rear
panel.
The
switch
is a
rocker
switch
with
a
"1"n
mark
for
on
and
"0"
for
off.
2.
Power
Connector
Just
below
the
power
switch
is
an
EIA
power
receptacle
for
either
115
or
230
VAC
i
~~~power
input.
w
~~3.
Power
Voltage
Select
and
Fuse
Block
Just
below
the
EIA
receptacle
is
a
plug-in
fuse
block.
By
placing
a
flat
blade
screwdriver
in
the
slot
between
the
connector
and
the
block
and
twisting
slightly
the
fuse
block
will
release
from
the
connector.
Complete
removal
of
the
block
will
give
access
to
both
fuses.
Both
fuses
are
identical
in
value
regardless
of
the
AC
voltage
applied.
By
turning
the
block
over
when
replacing
it in
the
receptacle
will
convert
the
input
voltage
range.
lii
yvllgta
range
that
ini
sad
rigflt
aid
e
u
n
Ibottomni
of
a
bflc
in
Ibnt
winf
selected
4.
Intercom
Line
Connectors
There
are
two
sets
Of
three
XLR-SM
intercom
connectors
for
both
channel
outputs.
Standard
Clear-Corn
wiring
is
as
follows:
Pin
1
--
Ground
Pin
2--
+30
VDC
Pin
3
-
intercom
Audio
5.
Termination
Switches
Each
intercom
channel
is
provided
with
a
'Termination"
switch
allowing
easy
termination
of
the
intercom
line.
The
switch
is
provided
in
case
there
are
multiple
MAIN
stations
connected
to
the
inter-corn
line.
CAUTION:
FOR
PROPER
OPERATION
IT IS
IMPERATIVE
THAT
QMJAND
OLY
0
DUE
TERMINATION
BE
PRESENT
ON
A
CLEAR-COM
INTERCOM
LINE.
CLEAR-
COM
LINE
DRIVERS
DEPEND
ON
A
KNOWN
LOAD
VALUE
FOR
PROPER
OPERATION.
11/90
Rev.
1.0
Page
12