11
Clear-Com HME DX210 Operating Instructions
2.4 Interfacing with 2-Wire or 4-Wire Intercoms
2-Wire Intercom Interface:
The following 2-wire setup is for Channel 1 (IC1).
If applicable, repeat for Channel 2 (IC2).
●
If using a 2-wire intercom
with the DX210, plug the appropriate male or female connector into the
base station
2-W
connector at #
41
or #
42
●
Depending on whether you are using a Clear-Com
®
or RTS
®
compatible 2-wire intercom system,
position the
CLEAR-COM
/
RTS
button (#
43
) as follows:
In position = RTS Mode Out position = Clear-Com Mode
●
Press the
IC1
SELECT
button (#
12
) on the front panel of the base station. The
2-W
light (#
10
) next to
the button should turn green.
NOTE:
If no power is detected at the
2-W
connector, the
2-W
light will turn red and no audio will be
passed through. Plugging in a connection to a Clear-Com or RTS power supply will turn the light green
and operation will begin.
●
Be sure there are no open microphones on the wired intercom.
If users are wearing headsets, please
notify them of the impending audio sweep prior to auto nulling.
Press and hold the
AUTO NULL
button for two seconds. To press the
AUTO NULL
button, insert a
pen or similar pointed object into the
AUTO NULL
hole on the front panel of the base station. An audio
sweep will be heard for 25 seconds on the wired Beltpacks. (The
2-W
light (#
10
) next to the button
should turn amber, then green.)
●
Adjust the 2-W intercom receive and send levels with the
IC1 2-W INPUT
control (
#9
) and
OUTPUT
control (
#8
).
NOTE:
If you are not connecting other equipment, go on to
System Operation, section 3, page 14.
4-Wire Intercom Interface:
The following 4-wire setup is for Channel 1 (IC1).
Repeat for Channel 2 (IC2) if applicable.
●
If using a 4-wire intercom
with the DX210, plug it into the base station
IC1
4-W
connector (#
40
).
●
Press the respective
SELECT
button until the
IC1
4-W
light (#
13
) next to the button turns on.
●
Adjust the 4-wire intercom receive and send levels
with the
IC1
4-W
INPUT
and
OUTPUT
(#
14
&
15
)
controls.
RJ45 Connector Pins
Designation
Pins 1, 2, 7 and 8
N/C (reserved)
Pin 3
Intercom Out +
Pin 4
Intercom In +
Pin 5
Intercom In
–
Pin 6
Intercom Out
–
NOTE:
Simultaneous 2-wire and 4-wire communication is possible.
Both groups of intercom users can communicate with the base station operator, but not with each other.
Base station rear panel
