› M1 Support Forum › M1DBBHR Data Bus Retrofit configuration
- This topic has 6 replies, 2 voices, and was last updated September 14, 2026 at 10:48 am by Brad Weeks.
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July 6, 2026 at 10:51 am #10325Gerald Schmidt
Is the following configuration correct?
Branch 1 – JP2 is terminated; M1KP2 keypad connected – JP1 is terminated
Branch 2 – JP3 is not terminated; M1KP2 keypad connected – JP1 is terminated
Branch 3 – JP4 is not terminated; M1XRFTWM transceiver/expander – JP1 is terminated
Branch 4 – JP5 is terminated; M1XSLC M1-to-Lutron Caseta – JP1 is terminated
Thank you.
July 7, 2026 at 8:36 am #10326Brad Weeks
You have just one Bus Device per Branch? If so then JP2 – JP5 should have a terminating Jumper and each device should have a terminating Jumper. If this is the only home run from the M1 to the M1DBHR then you should have JP3 on the M1 terminated and JP1 on the M1DBHR terminated. With the M1 powered off measure the resistance across Data A and Data B at the M1 and across each Branch on the M1DBHR — you should measure ~60-70Ω Ohms of resistance.
July 7, 2026 at 11:29 am #10328Gerald SchmidtYes, I just have one Bus Device per Branch. It is a relatively small installation.
I configured the jumpers as you instructed and measured the resistance with the M1 powered off. Every reading was within the 60 – 70 ohm range. The M1 was 70 and the branches on the M1DBHR were 63.5 ohms, plus or minus .4 ohms.
Thank you for your quick response and assistance.
September 9, 2026 at 2:31 pm #10420Gerald SchmidtAfter completing the connections as listed above, I am unable to establish a connection between the M1XSLC and my Lutron Smart Bridge Pro. I have completed all of the instructions for the IP-232 configuration utility. I have also power-cycled the M1 after updating the IP232. I have confirmed that all wires and cables between the M1XSLC and M1 are secure. The Lutron app indicates there are no integrations linked to my Lutron system. The M1XSLC indicator light is displaying a “Slow blink (1/2 sec.)
September 10, 2026 at 2:58 pm #10421Brad Weeks
Which Lutron Lighting Technology are you integrating with the M1?
September 11, 2026 at 11:24 am #10433Gerald SchmidtLutron Caseta. The IP232 is configured with the User Name reply of “lutron” and password reply of “integration” (without the quotes) to trigger the “Login with the specified user name/password when prompted” under the “When and how to initiate (and close) a connection”. When is the Lutron password/user name supposed to be prompted? I never receive a prompt.
The Lutron Smart Bridge Pro has a fixed IP address and is programmed for all of the connected devices.
I could not figure out how to insert the IP232 screen image in this post.
Thank you.
September 14, 2026 at 10:48 am #10439Brad Weeks
Send the screenshot to techsupport@elkproducts.com
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