Whelen Engineering Company CenCom Core Installation Manual page 3

Audio signals (J15):
Radio Rebroadcast (Pins 1, 5)
Two blue wires are used to connect the audio output of your two-way radio
to the Whelen Siren Module for radio rebroadcast. This is an optional
connection.
NOTE: Radio rebroadcast will NOT work with radios requiring
amplified remote speakers! If your remote speaker is amplified (i.e.
contains a power amp circuit in the speaker assembly), the signal
from the radio will not be appropriate for this input.
Locate the two wires that connect the external speaker to the two-way
radio. Splice one of the blue wires into one of the radio's speaker wires,
then splice the other blue wire into the other radio speaker wire.
Radio Repeat Volume Adjustment
Locate the Radio Repeat adjustment potentiometer on the left side of the
Core module. Set the volume of the vehicle's two-way radio to its normal
operating level. Press the RAD button on the control head to activate
Radio Repeat. As incoming transmissions are received, adjust the Radio
Repeat potentiometer to set the desired level. Turn the potentiometer
clockwise to increase the level and counter-clockwise to decrease the
level.
Auxiliary Audio Input (Pins 2,6)
Two green wires are proved to connect the auxiliary audio output of an
appropriate Whelen device to this unit.
Cabin Speaker (Pins 3,7)
The cabin speaker is used to preview tones and messages at a low
volume level. The yellow wire goes to the positive (+) speaker terminal,
and the white-yellow wire goes to the negative (-) speaker terminal.
Auxiliary Audio Output (Pins 4,8)
The white-violet and violet wires are used to connect the audio output of
this unit to the auxiliary audio input of a compatible Whelen device.
Microphone (J7):
Attach the microphone extension cable to this connector, route the cable
to the desired location in the vehicle and secure the other end to a fixed
location and then attach the microphone.
PA Volume Adjustment
To adjust the PA volume refer to the WeCan Command software for
instructions.
Control Head Connection (J21):
Attach the supplied extension cable to J21 and route it to the location
desired for the control head, attach the other end to the control head
coupler and attach the control head to the coupler.
USB "C" programming Port (J9):
Attach to computer when programming the system with the Command™
Software.
System Status
Booting
No Memory Card Detected
System Failed to Boot
Initializing
Configuring New Devices
Transferring Configuration
Files to Devices
Idle
Processing
A Device in the Configuration
is Missing
No Configuration Installed.
Activity Status LED
LED Colors Colors
The system is booting up. When a Core firmware update is being installed,
Magenta
OFF
this process could take up to 30 seconds.
The system was unable to mount a micro-SD card. Ensure the micro-SD
Magenta/OFF
OFF
card is properly seated in its tray.
A fatal error occurred and the system was unable to boot.
RED
OFF
Contact customer support.
The system is loading and initializing devices.
BLUE GRN/OFF
The system has detected a new device on the bus and is configuring the device.
BLUE GRN/BLUE
This can take up to a minute.
A new configuration file has been downloaded to the system and Core is actively
BLUE WHITE
transferring it to WeCanX devices. Some system functionality may be unavailable during this time.
BLUE GREEN The system has been initialized and is ready to process system events.
BLUE/OFF GREEN The system is actively communicating with attached devices and processing events.
The system has a valid configuration file installed, but a device is present in the
BLUE GRN/RED
configuration file that is not connected to the bus.
The system does not have a valid configuration file installed.
BLUE RED
USB Host Port (J8) :
To be used with a Whelen USB device.
Ethernet Port (J13):
To be used with a Whelen Ethernet device.
Can Communications (J18, 19 & 20):
Hands-Free Siren / Optional
You may either use a customer supplied relay capable of handling the
current of your vehicle horn connected as shown or the Dry Contact Relay
located on the main control box (recommended)
Generic Style
Relay
(customer supplied)
From Vehicle Horn Relay
To
NC
Any
Output
NO
Bosch™ Style
(Tyco-P&B P/N:VF4-45F11)
(customer supplied)
From Vehicle
Horn Relay
30
85
87A
87
To any Input configured
as Horn Ring
Page 3
CAN INPUTS CAN INPUTS
C A N I N P U T S
J18 J19 J20
Connects to Vehicle CAN orts
J19 - Primary J20 - Secondary
Dry Contact Relay
Switched as output 23
(recommended)
Normally Closed -
To Vehicle Car Horn
To Vehicle
Car Horn
To any Input
configured
as Horn Ring
J11
To
Any
DRY CONTACT
86
Output
RELAY
To Vehicle
Car Horn
Details
p
COMMON - From
Vehicle Horn Relay
Normally Open
Horn Ring Input