![communication - How does this fire alarm system transmit data on two-wire? - Electrical Engineering Stack Exchange communication - How does this fire alarm system transmit data on two-wire? - Electrical Engineering Stack Exchange](https://i.sstatic.net/eB9NP.png)
communication - How does this fire alarm system transmit data on two-wire? - Electrical Engineering Stack Exchange
7628 End-of-Line Resistor | Sensor Accessories | Sensors | Sensor Accessories | Honeywell Building Solutions
REL-47K End-of-Line Resistor | Sensor Accessories | Sensors | Sensor Accessories | Honeywell Building Solutions
![End of Line Resistors - Comfort Installation Instructions - Support - Comfort Automation/ Security System Forums End of Line Resistors - Comfort Installation Instructions - Support - Comfort Automation/ Security System Forums](http://www.cytech.biz/images/screenshots/diagrams/doubleEOL.jpg)