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2018 Lennox Industries Inc.
©
Dallas, Texas, USA
INSTALLATION INSTRUCTIONS FOR ETHERNET CONVERTER KIT (76M77)
THIS MANUAL MUST BE LEFT WITH THE OWNER
FOR FUTURE REFERENCE
WARNING
Installation and service must be performed by a li censed
professional HVAC installer (or equivalent) or a service
agency.
Shipping and Packing List
Package 1 of 1 contains:
1 - Ethernet converter
1 - Ethernet cable
1 - RS-232 serial cable
1 - Power transformer
Application
The Ethernet Converter Kit is required to interface
between the L Connection
area network (LAN). This allows L Connection software to
access L Connection products through an Ethernet port
instead of connecting directly or through a modem. See
figure 1.
The L Connection network provides direct digital
communication to a single or network of L Connection
MISCELLEOUS
KITS AND ACCESSORIES
507676-01
8/2018
Supersedes 9/2017
(Used with the L Connection Network)
network and an Ethernet local
®
Figure 1. Ethernet Converter Kit
ETHERNET CONVERTER KIT
(For L Connection Network)
products such as IMC (M1−x), M2 and M3 Prodigy
rooftop unit controllers, BC building controllers and NCP
network manager.
NOTE: Unit controller and network control panel software
are ordered separately.
There are two available options (Option 1 or 2) for
setting up this device that are discussed further on in this
instruction.
LED Indicators
Table 1. LEDs
LED Label
Function
POWER
Indicates unit has power.
When blinking on and off in a steady manner,
this indicates the Ethernet Converter is working
properly. If LED is on or off for a long period,
WORK
then there is an error and it is recommended
to power off the Ethernet Converter and then
power it up to resolve the communication error.
Blinking LED indicates that the Ethernet
232TX
Converter is sending RS232 data.
Blinking LED indicates that the Ethernet
232RX
Converter is receiving RS232 data.
Blinking LED indicates that the Ethernet
485TX
Converter is sending RS485 data.
Blinking LED indicates that the Ethernet
485RX
Converter is receiving RS485 data.
, NTC
®
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Summary of Contents for Lennox 76M77
-
Page 1: Led Indicators
© (For L Connection Network) Supersedes 9/2017 Dallas, Texas, USA INSTALLATION INSTRUCTIONS FOR ETHERNET CONVERTER KIT (76M77) (Used with the L Connection Network) THIS MANUAL MUST BE LEFT WITH THE OWNER products such as IMC (M1−x), M2 and M3 Prodigy , NTC ®... - Page 2 8. Select Use the following IP address. Enter the Configure Ethernet Converter information as shown in figure 3. NOTE: Write down your original settings so you can Default Settings restore them back to their original configuration Table 2. Default Settings once you are done with this procedure.
- Page 3 11. From the main screen, select Local IP Config. Figure 7. RS-485 Settings 15. Select Save to continue. Once saved, you can disconnect the Ethernet cable from your PC and Figure 5. Main Screen connect the Ethernet Converter directly to your router. 12.
- Page 4 6. Next, the device should appear under the Search List box. Figure 9. Select Device 7. Select the Device IP and perform the following: a. Change the Module Static IP, Subnet Mask and Gateway to match your local network settings. b.