iDR-4. iDR-8. Paging across two units 23 July 2021 13:47 You will require: iDR Switch, PL device, iDR-Out, Pager Use 1 PL or iDR Switch to trigger pager on two iDR units Related articles AHM-64. Frequently Asked Questions iDR. System Manager not working. DEP. Vista. Windows update iDR. PL Client. PL Designer iDR. Does the system support networked audio?