For easy connection of expanders & keypads. The M1DBH accepts up to 9, RJ45 equipped CAT5 or CAT6 cables, and series connects the data A & B lines so the data bus may be terminated properly. Two or more units may be interconnected if more than 9 data lines are required.

 Designed For Multiple Home Run Cables 
• Internally Connects Data A & B Lines From Previous Device In to Next Device Out 
• Provides up to Nine (9) Data Bus Connections
• Multiple Hubs May be Connected for Expansion
• EOL Bus Termination Can Be Done On-Board, RJ45 Terminating Resistor Plug Included 
• Mounting Plate for Structured Wire Boxes