Lennox 76M77 Installation Instructions Download Page 4

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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.  Select RS485 tab (note, default tab selection is 

RS232).

c.  Change default 

Baud Rate

 to 

9600

.

d.  Change 

Work Mode

 to 

TCP Server

.

e. 

S

et 

Local Port

 number to 

10001

NOTE: 

Since we are using a static IP address here, make 

sure no other device on your network is using that 

IP address. 

8.  Press 

Base Save 

and 

Save COM2 

to finish.

9.  Once saved, you can disconnect the Ethernet cable 

from your PC and connect the Ethernet Converter 

directly to your router.

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