Z is for the Zigbee, So it will work with the New remotes.
It will have the ECB-5 built in but no routing, and will have 3 sense ports. the 5 ir ports are adjustable like the RP-6. There are no 232 ports so no 2 way
There's no worse feeling than that millisecond you're sure you are going to die after leaning your chair back a little too far.