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QUICK INSTALL GUIDE
3. Mounting
The EL-SC-300 System Controller is designed to mount on a shelf or hang in a cabinet or rack.
Shelf Mounting
The EL-SC-300 has feet to protect finished surfaces. Set the controller in a location that will allow you
to properly manage connected wiring so that tension is not placed on the connections. Wire tension will
cause the unit to move and may cause wires to become disconnected.
Dimensions with feet: 17" W x 2.25" H x 14" D (431.8mm W x 57.2mm H x 355.6mm D)
Rack Mounting
The Rack Mount Brackets included with the EL-SC-300 attach to the chassis using the included screws.
Do not use longer screws to attach the brackets as this may permanently damage the unit.
Remove the feet from the EL-SC-300 before rack mounting the unit. When mounting in very warm
locations (i.e. enclosed rack or cabinet) leave a rack space above and/or below the unit for ventilation.
Dimensions without feet, with rack mount brackets: 19" W x 1.75" H x 14" D (482.6mm W x 44.45mm H x
355.6mm D)
4. RS-232 Serial Connections
Connect up to eight RS-232 serial controlled devices using an included DB9 to RJ45 adapter to the RS-232
port on the rear of the controller.
For null modem connections, the ports can be configured in ELAN Configurator.
Wiring pin-out for the RJ45 connector.
RS-232 Port Pin #
586A Color Code
1
White / Green
2
Green
3
White / Orange
4
Blue
5
White / Blue
6
Orange
7
White / Brown
8
Brown
RS-232 Connections
The table shows the 568A and 568B color codes and the function of each conductor of the RS-232 ports.
Please refer to the ELAN Integration Note for the specific device to determine the proper RJ45 to DB9
adapter to use.
CAUTION: Do not connect cables with PoE power on them to the RS-232 or RS-485 ports as it will
damage the unit.
6
586B Color Code
Function
White / Orange
N/C
Orange
DCD
White / Green
DTR
Blue
GND
White / Blue
RXD (receive)
Green
TXD (transmit)
White / Brown
CTS
Brown
RTS
5. RS-485 Serial Connections
The two RS-485 ports allow connection to Full Duplex (Aprilaire thermostats, for example) and Half Duplex
(Pentair Pool and Spa controllers, for example) RS-485 controlled devices without using adapters. The
table below shows the T-568A and T-568B color codes and the function of each conductor of the RS-485
ports. Please refer to the Integration Notes for the device you are integrating for wiring and programming
specifics.
CAUTION: Do not connect cables with PoE power on them to the RS-232 or RS-485 ports as it will damage
the unit.
RS-485 Port
586A Color Code 586B Color Code
Pin #
1
White / Green
White / Orange
2
Green
3
White / Orange
White / Green
4
Blue
5
White / Blue
White / Blue
6
Orange
7
White / Brown
White / Brown
8
Brown
6. IR Output Connections
Twelve discrete IR outputs are supplied to control third party devices. Each output is compatible with
Xantech single and dual emitters. IR outputs are 12V.
7. Signal Input Connections
Four signal input ports provide a way to trigger events based on a contact closure or voltage input. Detects
5V to 24V DC / 24VAC Max. For example, use a contact closure on driveway sensors to trigger lights or
push messages. Or use the voltage detector to sense when a standard doorbell chime is rung to trigger an
ELAN doorbell chime through an audio system.
NOTE: DO NOT WIRE DIRECTLY TO THE DOORBELL BUTTON, THIS WILL DAMAGE THE EL-SC-300.
For detailed wiring instructions, please refer to the Integration Note.
Contact Closure*
*Please verify your device can accept 12V input for contact closure, as this could cause damage
the device if not rated for 12V.
Naming Conventions
RxD +
RD (B)
Orange
RxD -
RD (A)
TxD +
TD (B)
Blue
N/C
N/C
Green
TxD -
TD (A)
GND
GND
Brown
N/C
Door Chime
DC Input
Doorbell
Button
+
24V
+
-
Chime
DC Output
5VDC- 24VDC
-
EL-SC-300
B+
B-
A+
A-
GND
7
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