Specifications

B.
INTERCONNECTION
SET-UP
After
determining
system
configuration
and
channel
assignment,
pick
a
location
for the
CS-210;
it can
be
anywhere
as
long
as
it is
provided
with
a
source
of 105-125
VAC,
50-60
Hz (power
consumption
is 60 watts
maximum).
1) Use
standard
shielded
mic cable
(see
previous
section).
ALWAYS
AVOID
BENDS
IN THE
CABLING;
allow
at
least
3"
behind
rack-mount
units
for cable
extending
from
rear
panels.
2)
Route
all
cables
from
the
Main
Station
to
the Remote
Stations.
Pin
assignments
on ALL
3-pin
intercom
connectors
are:
PIN
1--
common
PIN 2--
+30 volts
DC
PIN
3--
intercom
audio
3) Route
cables
away
from
heavy
AC
power
sources,
such
as lighting
panels,
electric
motors,
or
power transformers.
4) In
permanent
installations,
BE SURE
TO
INSTALL
THE
SYSTEM
IN
ACCORDANCE
WITH APPROVED
LOCAL
BUILDING
CODE.
5)
If program
monitoring
is required,
input
the external
signal
to
the
3-pin
female
connector
on the
CS-210
rear
panel.
The station
opera-
tor hears
the
program
in
the headset,
mixed
with
the intercom
acti-
vity.
The program
pre-amp's
gain
is switch-selectable
(on
rear
panel)
for either
mic
level
(-75dBv
nominal
input
signal)
or line-
level
(-15dBv
nominal).
The
input
must be
balanced
300k
ohms in
line
position,
3-6k
ohms in
mic
position.
6)
Turn on
power
switch
(it
should
illuminate),
plug
in
headset(s)
and
set
Intercom,
Program,
and
Sidetone
levels.
NOTE
about
HEADSETS
AND
MICS:
The CS-210
headset
connectors
(like
all
Clear-Com
dynamic
headset
connectors)
are
4-pin,
male
XLR.
The
connector
label led
"Headset
I" works
with
the Mic
On/Off/(Momentary
On)
toggle
switch
above
it.
The
headset
connector
pin-out
assign-
ment
is:
PIN 1--mic
common
PIN
2--mic
hot
PIN 3--headphone
common
PIN 4--headphone
hot
DO
NOT
place
the headset(s)
within
two feet
of
an AC
power
transfor-
mer or
the mic(s)
will pick
up
a hum.
To
meet
optimum
performance
specs,
the
the headsets
used
(handsets,
mics,
etc) should
have the
following
characteristics:
Microphone
type:
dynamic
Impedance:
150-250
ohms
Output
Level:
-55
dB
Headphone
Type:
dynamic
Output
Impedance:
300-2000
ohms
The
system
should
now
be ready
to run!