EcoInsight I, O & M Guide
Telkonet, Inc.
For Use with Firmware Version 2.x
20800 Swenson Drive, Suite 175
Low Voltage Installation
Waukesha, WI 53186
Revision 4.2
(414) 302-2299
Page 26
www.telkonet.com
The J8 connector also can be used to supply power and data to Telkonet end devices (EcoAir, EcoView and
EcoContact). It will support up to 2 devices per EcoInsight. It may be used with 2 conductors connecting to pins 1 & 2
to supply 3.3v to EcoViews or EcoAirs and utilize wireless for communication between the EcoInsight and
EcoView/EcoAirs. Or if 4 conductors are used between pins 1,2,3,4 then it can be hardwired for communications and
power and no wireless will be needed.
Figure 24: EcoInsight wired to two EcoContacts
Table 4: J8 Connector Pinout
Pin Wire Color Label on Backplate Function
1 OR GND
Thermostat signal ground (not
an earth ground)
2 RD +3.3V 3.3 Volts DC Output
3 WH RX DATA
Receives data from serial
cable
4 BR TX DATA
Transmit data from serial
cable
5 BK Dry Contact 1 Connection to Dry Contact 1
6 BL Dry Contact 2 Connection to Dry Contact 2
ZigBee Wireless
Telkonet’s suite of products—including the EcoInsight—relies on the ZigBee wireless communications protocol.
Zigbee devices are low powered and can communicate via radio frequency over long distances by transmitting
data to intermediate devices to reach more distant ones. There is no main transmitter, but rather a series—or
“mesh”—of transmitters. This is referred to as the ZigBee Mesh Network.
Types of radio modules:
Internal high-power: default
External high-power: An optional external antenna is available for systems that will be enclosed inside metal
HVAC systems to improve network reliability. See Figure 25 and Figure 26.
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