Main Features Package Contents: M1DBHR M1 Retrofit Data Bus Hub Mounting Rails For ELK-SWB Boxes Marketing Information An active RS-485 data bus hub designed for jobs where an M1Gold or M1EZ8 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. Package Contents M1DBHR M1 Retrofit Data Bus Hub Mounting Rails For ELK-SWB Boxes Information Name: DATA BUS HUB RETROFIT M1 Category: Alarm Control Accessories UPC Code: 762158550379 General Information EK- Brand Name ELK Manufacturer ELK Products, Inc Manufacturer Part Number Product Model Product Type Data Bus Hub UPC 762158550379 Weight lbs Miscellaneous Additional Information 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 Inputs: Elevator screw terminals, 4 position Output: Elevator screw terminals, 4 position Circuit board dimensions: 4.9 x Package Contents M1 Retrofit Data Bus Hub Mounting Rails For ELK-SWB Boxes