Matrix: How do I configure an ICS22 on ECS? or EHX v9.0
You need to configure it as an ICS1008 and the first two left most button are the ones to use on the ICS22. You need a talk on the bottom and a listen on the top row when configuring the ICS1008.
ensure the 3 dip switches on the panel are set to OFF
Solution update May 2017
You can now connect ICS-22 panels to EHX systems running v9.0 or later firmware