![https://hf-files-oregon.s3-us- west-2.amazonaws.com/hdpdigitalwatchdog_kb_attachments/2019/09-24/4763eb2b- 7c2d-49d6-bfc0-47620cc0f150/image.png][1] **DW Technical Bulletin** **To:** DW® Customers **Date:** June 10, 2021 **Re:** VMAX® IP Plus™ DW-VP9xT4P Alarm Input Ground # **VMAX® IP Plus™ DW-VP9xT4P (3rd...