ID #1246 Can the IP devices be programmed like IP Router and Interface without auxiliary tension? Arno Reinmuth 11.10.2016 10:17 0 Comments Both devices IP Router "IPR/S 3. 1. 1" as well as the interface "IPS/S 3. 1. 1" can be programmed without auxiliary tension / POE with the ETS software. The availability is guaranteed only with connected auxiliary tension or POI and a linked network IP. Tags: Interface, KNX