How to recognize the receiver and transmitter on IBS-SH-60-2 Support April 29, 2020 07:50 Updated Follow On the barriers put an R and T on the back labels to know which is the transmitter and the receiver.Just in case, another method is to look at the one with the power input at the bottom; that will be the transmitter and the other one the receiver. Related articles Configuration of barrier (IBS-) and receiver (IS-SH-REC) synchronization 04. Safire Smart Enable P2P for the Safire Smart app. Safire Smart - Adding cameras Ring Configuration with RSTP - Switch Root Bridge Ruijie + Switches X-Security How to perform openings from Safire Connect on Safire standalone devices.