My ISY994i z-wave ir-pro seems to be dying. I was hoping it might be cables, power supply, sd card or something else fixable but I'm striking out on everything. The last thing I tried to do was put a new 16GB sd card in but it just freezes whenever I type the FS command in a telnet terminal.

https://forum.universal-devices.com/topic/46746-trying-to-replace-failing-sd-card-in-994i/

If I upgrade to an eisy, what version should I get? What I'm really hoping for is being able to get an eisy and restore from a recent ISY backup but when polisy came out, I think the upgrade path wasn't so simple so I never upgraded. I have 200+ insteon devices and 150+ programs.

I'm guessing from the lack of responses that the current eisy platform may not be as prolific as the old isy devices where there were dozens of active threads every single day.

More details on my current setup. No z-wave. I am using DSC and CAI integrations through the old Nodelink server running in a container on my nas. Have some polyglot integrations but could dumb those as they've gone stale and I don't really use them.

All the rest of my integrations to other devices to and from are just a tone of network resources (posting commands to URLs with parameters and such) and triggering programs from extern http POSTS.

I'm surprised nobody has created a legacy containerized ISY emulator using the usb-rj45 cable to the PLM.

A migration like yours (no Zwave) would be quite straightforward, if you have a good backup. The version you get (r2 vs lite) doesn't really matter on a lighter use system like you appear to have.

Yes it's quieter here lately. Maybe due to there being little in terms of new releases. The upcoming thing is Matter, and that will take time. Then again, quiet is usually an indication of stability, not a bad thing.

Yes, upgrade. I have a more complex system in number of devices and plugins. The only issue I had migrating was some older Schlage ZWave deadbolts. With Michel’s help got them over. Eventually replace them with new WiFi and matter versions to get Apple Key.

As mentioned, it’s been relatively quite here but UD team are busy making big investments in the ecosystem to move us all forward on the eISY hardware.

17 minutes ago, hart2hart said:

Yes, upgrade. I have a more complex system in number of devices and plugins. The only issue I had migrating was some older Schlage ZWave deadbolts. With Michel’s help got them over. Eventually replace them with new WiFi and matter versions to get Apple Key.

As mentioned, it’s been relatively quite here but UD team are busy making big investments in the ecosystem to move us all forward on the eISY hardware.

Any idea how seamless or not moving the the DSC integration over would be? I'm currently using NodeLink Server with DSC and CAI node servers. Does eisy still support the node server interface? The DSC server is for my alarm system integration and the CAI web control boards are sprinkled around the house and integrate digital i/o for open/close door sensors, solenoid control for various devices, and analog i/o for tons of sensors. Half of my 300+ ISY programs use DSC or CAI nodes.

Edited Friday at 07:21 PM3 days by sorka

I used nodelink too and used it for a short time after the migration to eISY. Io_guy was great developer but nodelink no longer has active support.

Therefore I moved over to the DSC polyglot plugin and it is excellent. The author bpowers is fantastic developer providing support. Took a little time but was not hard. Planning was biggest work

I don’t know about CAI. If it’s in the plugin store, (forum has a sub-site for each one too) it likely is good but some of the plugin authors are better than others.

Until it breaks, you could continue to use nodelink. I used several of its nodes and migrated them one at a time to plugins.

I also use the DSC polyglot plugin. I have 64 zones with many of them integrated as triggers in various ISY programs. I am extremely happy with the performance

On 6/11/2026 at 1:17 PM, sorka said:

My ISY994i z-wave ir-pro seems to be dying. I was hoping it might be cables, power supply, sd card or something else fixable but I'm striking out on everything. The last thing I tried to do was put a new 16GB sd card in but it just freezes whenever I type the FS command in a telnet terminal.

Seems like @matapan had similar issues with the "FS" format command.

4 hours ago, IndyMike said:

Seems like @matapan had similar issues with the "FS" format command.

I didn't think the older ISY994 devices could handle anything larger than a 2 GB SD card.

Perhaps it cannot address anything larger than a 2 GB SD card but can still use one?

IIRC ... Over 2GB took a larger sector table, which ISY994 didn't have, in software, or hardware space. The only danger was overrunning the ISY994 sector map after 2GB, and the software would never know it, causing a lot of very strange problems, that were very hard to diagnose. I assume the older format (FAT?) would be required and/or segmenting the SD card memory map to eliminate that problem, wasting the other 30 GB. (memory is cheap these days anyway)

1 hour ago, larryllix said:

I didn't think the older ISY994 devices could handle anything larger than a 2 GB SD card.

Perhaps it cannot address anything larger than a 2 GB SD card but can still use one?

IIRC ... Over 2GB took a larger sector table, which ISY994 didn't have, in software, or hardware space. The only danger was overrunning the ISY994 sector map after 2GB, and the software would never know it, causing a lot of very strange problems, that were very hard to diagnose. I assume the older format (FAT?) would be required and/or segmenting the SD card memory map to eliminate that problem, wasting the other 30 GB. (memory is cheap these days anyway)

The stock card on my 994i ir-pro with z-wave is 16gb. The wiki and manual state 2gb to 32gb. Not sure a 1gb card would work.

Edited yesterday at 07:53 PM1 day by sorka

For what it's worth - I posted on the ISY site as well...

On 6/13/2026 at 9:32 AM, aLf said:

I started with UD back in the early 2000's with a an ISY-26. I think I paid <$200 for it. It served me very well for better than a dozen years. I then moved into the 994, it too served well only and until the mail notification stopped (not due to anything UD did wrong). The 994 cos around $200. When it became apparent that the 994 was going to be sidelined - I procrastinated for months. I finally, even though advised by UD to just hang on to it and give up on the email notifications, and knowing of possible issues I might have integrating my Schlage locks into a new eisy, I bought a new eisy for ~ $400 something. I even sold the old 994 for $100 to a guy who needed it for what it was! The transition from 994 to eisy could not have gone better. No issues - and I mean NO ISSUES. The locks were seamless and other than a few switch(s) that have had to be factory reset and restored my system has been 100%. Granted, I don't have a huge setup, < 50 total switches. My point being that I feel that UD (and more importantly Michel) are worth every penny I ever paid them. Their product works as advertised and support is second to no one. I will never utilize the eisy for 5% of its capability, but that's OK. I like stuff that works and my ISY(s) have always done that.

Edited 23 hours ago23 hr by aLf

Using the plug-in (plug-in store) for the CAI web interface on Eisy. It works very well, with no problems over the past year and its free. Migrated from nodelink a year ago, at that time CAI with Nodelink was working on the Eisy system.

Eisy working very well for my system of insteon, zwave, some zigbee and plugins. Some problems with the plugins stopped working over the years based on the cloud support stopping for some devices (ecobee most recent),