The M1DBHR is an "active" RS-485 data bus hub designed for jobs where an M1 Control is retrofitting an older panel that has multiple homerun 4 conductor keypad/data wires.

It splits the main 485 data bus into 4 managed 485 branches.

Each branch can have 2 parallel home run cables for a total of 8 home runs.

The end of each cable is EOL terminated to insure proper operation and supervision.

Features:

• Splits The Controls’ RS-485 Data Bus Output Into 4 Managed Branches
• Each Managed Branch Can Have 2 Parallel Home Run Cables (Total Of 8 Home Runs)
• EOL Termination Of Each Branch Insures Proper Operation And Supervision
• Works With Std. 4 Conductor Home Run Wire
• An Additional Unit May Be Connected In Parallel To The Control For Expanding Total Capacity
• Includes Mounting Rails for ELK-SWB Boxes