
E L A N H O M E S Y S T E M S
INSTALLATION MANUAL
Page 28 © ELAN Home Systems 2009 • All rights reserved.
C2
Relay Design Application
The C2 provides four active relays that respond to telephone commands. These relays can
be configured as Normally Open (NO) or Normally Closed (NC). Possible applications include
garage door openers, blinds, gates, or lifts.
+12V GND
+ - + -
+ - + -
NC C NO
NC C NO
NC C NO
NC C NO
+ - + -
1 2
POWER
INPUTS
RELAY 1
RELAY 2
RELAY 3
RELAY 4
VCO
TRIGGERS
LOW VOLTAGE RELAYS
FOR LIGHTING, DRAPES,
GARAGE DOOR, ETC
C2
Figure 2-6: Relay Design Overview