
Crestron C2N-IADS30X24 Intercom Audio Distribution System
Connectors, Controls, & Indicators (continued)
# CONNECTORS
1
,
CONTROLS, &
INDICATORS
DESCRIPTION
3 AUDIO IN (23 - 30)
These eight pairs of RCA jacks combine the
left and right channel stereo input to provide
single mono inputs to the cross-point switch.
4
REMOTE AUDIO
2, 3, 4
IN/OUT (1 – 22)
The twenty-two, shielded RJ-45 connectors
provide for balanced line audio to/from
remote locations in the facility; one CAT5
stereo input and output per connector.
Pin 1 Audio In L +
Pin 2 Audio In L -
Pin 3 Audio In R +
Pin 4 Audio Out L +
Pin 5 Audio Out L -
Pin 6 Audio In R -
Pin 7 Audio Out R +
Pin 8 Audio Out R -
5
SETUP Pushbutton and
LED
The SETUP pushbutton and its associated
LED are used for setup of the unit’s network
ID during the initial configuration of a Cresnet
system or when the device is being added or
replaced.
6
Four-position terminal block connector for
data and power. Connects to Cresnet control
network.
Pin 1 (24) Power Pin 2 (Y) Data
Pin 3 (Z) Data Pin 4 (G) Ground
7 (Chassis Ground)
Use this chassis screw to connect the audio
source(s) common ground(s) to the IADS.
8
5
This five-pin connector is used to connect the
IADS to a CNXTA telephone card mounted in
a control system. The connections are in
parallel with the REMOTE AUDIO IN/OUT
port 22.
9 AUDIO OUT
The two pairs of RCA jacks provide
unbalanced audio from the crosspoint switch,
intended to be connected to a PAD8A or
BIPAD8 for distribution to multiple locations
in the facility.
R
L
1
2
Pin 1
Pin 1
JACKS, REAR VIEW
(TYPICAL)
TAB
POSITION
DOWN
TAB
POSITION
UP
24
NET
ZY G
OUT+
GRND
IN+
IN-
OUT-
R
L
2423
1. Interface connectors for NET and TELEPHONE ports are provided with the unit.
2. All stereo inputs are converted to mono inside the unit; all outputs are mono (left = right).
3. When connecting the IADS to a BIPAD8 via CAT5, make sure that the IADS audio out
pins are
connected to the BIPAD8 audio in
pins, and the IADS audio in pins are connected to the BIPAD8
audio out
pins.
4. For additional information on audio/video connections over CAT5, refer to the latest version of the
Crestron CAT5 Wiring Reference Guide (Doc. 6137) which is available from the Crestron website
(www.crestron.com/manuals).
5. If the TELEPHONE connector is used, the REMOTE AUDIO IN/OUT port 22 must not be used.
Operations Guide – DOC. 6170A Intercom Audio Distribution System: C2N-IADS30X24 • 7
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