Clear-Com HME DX210 - Manual (Page 16)

2.4 Interfacing with 2-Wire or 4-Wire Intercoms
40 41 42 43
Base station rear panel
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 it into the base station 2-W connector at #41 or #42,
depending on whether a male or female connection is required.
● 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 come on red and no audio will be
passed through. Plugging in a connection to a Clear-Com or RTS power supply, at this point, 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 Belt Packs. (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 13.
4-Wire Intercom Interface:
Repeat for Channel 2 (IC2) if applicable. The following 4-wire setup is for Channel 1 (IC1).
● If using a 4-wire intercom with the DX210, plug it into the base station IC1 4-W connector (#40).
W light (#13) next to the button goes on.
●
T and O 15) controls.
● Press the respective SELECT button until the IC1 4-
Adjust the 4-wire intercom receive and send levels
with the IC1 4-W INPU
UTPUT (#14 &
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.
10 Clear-Com HME DX210 System Guide