Crestron C2N-IIF Intercom Interface
Intercom Interface: C2N-IIF
Purpose
The purpose of this addendum is to provide additional information not supplied with
the original C2N-IIF Operations & Installation Guide (Doc. 6235). Specifically, this
addendum provides additional information with regard to:
• The SIMPL Windows device symbol that appears on page 28.
• Signal definitions that appear on pages 29 through 31.
Revised SIMPL Windows Device Symbol
Due to changes in the C2N-IIF firmware (version 1.35 or later), the SIMPL
Windows device symbol has been changed. Since muting can be accomplished by
using other signals in the device symbol, the MuteAudio digital input signal has
been removed to simplify programming. Instructions for programming a Mute
function are now provided in the revised signal definitions found on page 3 of this
document.
The following diagram shows the new device symbol.
Addendum #1 for DOC. 6235 Intercom Interface: C2N-IIF • 1
Intercom Interface Crestron C2N-IIF
Revised SIMPL Windows Device Symbol for the C2N-IIF
2 • Intercom Interface: C2N-IIF Addendum #1 for DOC. 6235
Crestron C2N-IIF Intercom Interface
New Signal Definitions
Many of the signal descriptions have been rewritten to better explain the
functionality of the C2N-IIF and reflect the features found in C2N-IIF firmware
version 1.35 or later. Refer to the following tables for the latest signal descriptions.
C2N-IIF Digital Input Signal Descriptions
INPUT DESCRIPTION
Output1_On/Off
through
Output8_On/Off
Activates the corresponding output (electronic
switch closure to ground) for as long as the
input is high. Turns off the output when the
signal is low. In the Essex and Discrete modes,
all eight outputs are available. In the Matrix
mode, only outputs 1 through 4 are available,
while outputs 5 through 8 are reserved to
enable four-by-four matrix switching.
EssexBacklight When high, the Essex keypad (if installed)
backlight is activated for as long as the signal
remains high (Essex mode only).
AudioOutputEn Enables audio to be routed from the line level
source to the speaker output, for as long as the
signal remains high. When low, cuts off the
audio path.
In order to hear the audio input through the
speaker output: 1) a WAV file must not be
playing (triggering a WAV file will override the
audio input); 2) the audio volume level must be
above 0%; and 3) The signal AudioOutputEn
must be high.
Mute Functions:
To mute the audio input, AudioOutputEn
should be set to low.
To mute WAV file playback, CancelWAV
should be pulsed high.
To mute all audio, AudioOutputEn
should be set to low and CancelWAV
should be pulsed high.
NOTE: The signal definition for EssexBacklight has not been changed
(continued on next page)
Addendum #1 for DOC. 6235 Intercom Interface: C2N-IIF • 3
Intercom Interface Crestron C2N-IIF
C2N-IIF Digital Input Signal Descriptions (continued)
INPUT DESCRIPTION
CancelWAV Cancels WAV file playback on the rising edge of
the input.
Mute Functions:
To mute the audio input, AudioOutputEn
should be set to low.
To mute WAV file playback, CancelWAV
should be pulsed high.
To mute all audio, AudioOutputEn
should be set to low and CancelWAV
should be pulsed high.
PlayWAV1
through
PlayWAV30
Plays the corresponding WAV file (digital joins
13 through 42 respectively) on the rising edge
of the input signal. Refer to “Sound Manager
Guidelines” on page 35 for information on digital
joins.
If a WAV file is playing and any PlayWAV#
digital input goes high, the currently playing
WAV file will stop and the WAV file associated
with this digital will start playing.
If a WAV file is playing and the CancelWAV
digital input pulses high, the currently playing
WAV file will stop.
C2N-IIF Analog Input Signal Descriptions
INPUT DESCRIPTION
Audio_Vol Adjusts audio volume from 0 to 100%. This
corresponds to a gain range from -80 dB to
20 dB. At system startup the value is initialized
to 0%.
(continued on next page)
4 • Intercom Interface: C2N-IIF Addendum #1 for DOC. 6235
Crestron C2N-IIF Intercom Interface
C2N-IIF Analog Input Signal Descriptions (continued)
INPUT DESCRIPTION
Audio_Treble Adjusts audio treble from -14 dB to 14 dB (with
0 dB being flat) in 2 dB steps. Valid analog
values range from -14d to 14d. Values greater
than 14 dB will set the treble to 14 dB; values
less than -14 dB will set the treble to -14 dB.
Odd, positive values (e.g. +3 dB) will be
rounded up to the next even value (e.g. +4 dB).
Odd, negative values (e.g. -3 dB) will be
rounded down to the next even value (e.g. -4
dB). At system startup the value is initialized to
0 dB.
Audio_Bass Adjusts audio bass from -14 dB to 14 dB (with 0
dB being flat) in 2 dB steps. Valid analog values
range from -14d to 14d. Values greater than 14
dB will set the bass to 14 dB; values less than 14 dB will set the bass to -14 dB. Odd, positive
values (e.g. +3 dB) will be rounded up to the
next even value (e.g. +4 dB). Odd, negative
values (e.g. -3 dB) will be rounded down to the
next even value (e.g. -4 dB). At system startup
the value is initialized to 0 dB.
WAV_Vol Adjusts WAV volume from 0 to 100%. At system
startup the value is initialized to 0%.
WAV_Treble Adjusts WAV treble from -14 dB to 14 dB (with 0
dB being flat) in 2 dB steps. Valid analog values
range from -14d to 14d. Values greater than 14
dB will set the treble to 14 dB; values less than 14 dB will set the treble to -14 dB. Odd, positive
values (e.g. +3 dB) will be rounded up to the
next even value (e.g. +4 dB). Odd, negative
values (e.g. -3 dB) will be rounded down to the
next even value (e.g. -4 dB). At system startup
the value is initialized to 0 dB.
(continued on next page)
Addendum #1 for DOC. 6235 Intercom Interface: C2N-IIF • 5
Intercom Interface Crestron C2N-IIF
C2N-IIF Analog Input Signal Descriptions (continued)
INPUT DESCRIPTION
WAV_Bass Adjusts WAV bass from -14 dB to 14 dB (with 0
dB being flat) in 2 dB steps. Valid analog values
range from -14d to 14d. Values greater than 14
dB will set the bass to 14 dB; values less than 14 dB will set the bass to -14 dB. Odd, positive
values (e.g. +3 dB) will be rounded up to the
next even value (e.g. +4 dB). Odd, negative
values (e.g. -3 dB) will be rounded down to the
next even value (e.g. -4 dB). At system startup
the value is initialized to 0 dB.
IO_Mode_Select Selects Operating Mode for Input and Output
ports. Refer to the following table for a list of
acceptable values.
NOTE: The signal definition for IO_Mode_Select has not been changed
C2N-IIF Digital Output Signal Descriptions
INPUT DESCRIPTION
DoorBellBtn Goes high when door bell switch closes
(pushed) for as long as the signal remains high.
WAV_Playing Goes high when a WAV file is playing. Remains
high for as long as the WAV file is playing.
NOTE: The signal definitions for DoorBellBtn and WAV_Playing have not been
changed
(continued on next page)
6 • Intercom Interface: C2N-IIF Addendum #1 for DOC. 6235
Crestron C2N-IIF Intercom Interface
C2N-IIF Digital Output Signal Descriptions (continued)
INPUT DESCRIPTION
Input1_Press
through
Input18_Press
Indicates the corresponding input's current
state. If connected to a keypad, this means that
the corresponding button is currently being
pressed.
In the Essex mode, when buttons 1 through 5
on the Essex keypad are pressed, the
corresponding Input#_Press signal will briefly
pulse. When discrete input 6 is closed to
ground, the Input6_Press signal will remain
high for as long as input 6 is closed to ground.
In the Discrete mode, when inputs 1 through 6
are closed to ground, the corresponding
Input#_Press signal will remain high for as
long as the input is closed to ground.
In the Matrix mode, inputs 1 through 4 are
mapped to 16 button presses. Here when
buttons 1 through 16 on the keypad are
pressed, the corresponding Input#_Press
signal will remain high for as long as the button
is pressed. When discrete inputs 5 or 6 are
closed to ground, the Input#_Press signal 17
and 18 will remain high for as long as the input
is closed to ground.
Crestron Electronics, Inc. Addendum #1 for DOC. 6235
15 Volvo Drive Rockleigh, NJ 07647 06.04
Tel: 888.CRESTRON
Fax: 201.767.7576 Specifications subject to
www.crestron.com change without notice.
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