Bosch Plug On Zone Expander

The Plug On Zone Expander (CM707B) is designed to complement the CM705B Universal Zone Expander. It can be added via the expansion port on the CM705B Universal Expander to provide an additional 8 hard wired zone inputs, bringing the CM705B to 16 hard wired zone inputs for Alarm + Tamper, 4 state monitoring or Single EOL configurations.